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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/doc/ssl
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Diffstat (limited to 'openssl/doc/ssl')
-rw-r--r--openssl/doc/ssl/SSL_CIPHER_get_name.pod112
-rw-r--r--openssl/doc/ssl/SSL_COMP_add_compression_method.pod70
-rw-r--r--openssl/doc/ssl/SSL_CTX_add_extra_chain_cert.pod39
-rw-r--r--openssl/doc/ssl/SSL_CTX_add_session.pod73
-rw-r--r--openssl/doc/ssl/SSL_CTX_ctrl.pod34
-rw-r--r--openssl/doc/ssl/SSL_CTX_flush_sessions.pod49
-rw-r--r--openssl/doc/ssl/SSL_CTX_free.pod41
-rw-r--r--openssl/doc/ssl/SSL_CTX_get_ex_new_index.pod53
-rw-r--r--openssl/doc/ssl/SSL_CTX_get_verify_mode.pod50
-rw-r--r--openssl/doc/ssl/SSL_CTX_load_verify_locations.pod124
-rw-r--r--openssl/doc/ssl/SSL_CTX_new.pod94
-rw-r--r--openssl/doc/ssl/SSL_CTX_sess_number.pod76
-rw-r--r--openssl/doc/ssl/SSL_CTX_sess_set_cache_size.pod51
-rw-r--r--openssl/doc/ssl/SSL_CTX_sess_set_get_cb.pod87
-rw-r--r--openssl/doc/ssl/SSL_CTX_sessions.pod34
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_cert_store.pod57
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_cert_verify_callback.pod75
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_cipher_list.pod70
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_client_CA_list.pod94
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_client_cert_cb.pod94
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_default_passwd_cb.pod76
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_generate_session_id.pod150
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_info_callback.pod153
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_max_cert_list.pod77
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_mode.pod81
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_msg_callback.pod99
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_options.pod244
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_quiet_shutdown.pod63
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_session_cache_mode.pod137
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_session_id_context.pod83
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_ssl_version.pod61
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_timeout.pod59
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_tmp_dh_callback.pod170
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_tmp_rsa_callback.pod166
-rw-r--r--openssl/doc/ssl/SSL_CTX_set_verify.pod294
-rw-r--r--openssl/doc/ssl/SSL_CTX_use_certificate.pod169
-rw-r--r--openssl/doc/ssl/SSL_SESSION_free.pod55
-rw-r--r--openssl/doc/ssl/SSL_SESSION_get_ex_new_index.pod61
-rw-r--r--openssl/doc/ssl/SSL_SESSION_get_time.pod64
-rw-r--r--openssl/doc/ssl/SSL_accept.pod76
-rw-r--r--openssl/doc/ssl/SSL_alert_type_string.pod228
-rw-r--r--openssl/doc/ssl/SSL_clear.pod69
-rw-r--r--openssl/doc/ssl/SSL_connect.pod73
-rw-r--r--openssl/doc/ssl/SSL_do_handshake.pod75
-rw-r--r--openssl/doc/ssl/SSL_free.pod44
-rw-r--r--openssl/doc/ssl/SSL_get_SSL_CTX.pod26
-rw-r--r--openssl/doc/ssl/SSL_get_ciphers.pod42
-rw-r--r--openssl/doc/ssl/SSL_get_client_CA_list.pod53
-rw-r--r--openssl/doc/ssl/SSL_get_current_cipher.pod43
-rw-r--r--openssl/doc/ssl/SSL_get_default_timeout.pod41
-rw-r--r--openssl/doc/ssl/SSL_get_error.pod114
-rw-r--r--openssl/doc/ssl/SSL_get_ex_data_X509_STORE_CTX_idx.pod61
-rw-r--r--openssl/doc/ssl/SSL_get_ex_new_index.pod59
-rw-r--r--openssl/doc/ssl/SSL_get_fd.pod44
-rw-r--r--openssl/doc/ssl/SSL_get_peer_cert_chain.pod52
-rw-r--r--openssl/doc/ssl/SSL_get_peer_certificate.pod55
-rw-r--r--openssl/doc/ssl/SSL_get_rbio.pod40
-rw-r--r--openssl/doc/ssl/SSL_get_session.pod73
-rw-r--r--openssl/doc/ssl/SSL_get_verify_result.pod57
-rw-r--r--openssl/doc/ssl/SSL_get_version.pod46
-rw-r--r--openssl/doc/ssl/SSL_library_init.pod52
-rw-r--r--openssl/doc/ssl/SSL_load_client_CA_file.pod62
-rw-r--r--openssl/doc/ssl/SSL_new.pod44
-rw-r--r--openssl/doc/ssl/SSL_pending.pod43
-rw-r--r--openssl/doc/ssl/SSL_read.pod124
-rw-r--r--openssl/doc/ssl/SSL_rstate_string.pod59
-rw-r--r--openssl/doc/ssl/SSL_session_reused.pod45
-rw-r--r--openssl/doc/ssl/SSL_set_bio.pod34
-rw-r--r--openssl/doc/ssl/SSL_set_connect_state.pod55
-rw-r--r--openssl/doc/ssl/SSL_set_fd.pod54
-rw-r--r--openssl/doc/ssl/SSL_set_session.pod57
-rw-r--r--openssl/doc/ssl/SSL_set_shutdown.pod72
-rw-r--r--openssl/doc/ssl/SSL_set_verify_result.pod38
-rw-r--r--openssl/doc/ssl/SSL_shutdown.pod125
-rw-r--r--openssl/doc/ssl/SSL_state_string.pod45
-rw-r--r--openssl/doc/ssl/SSL_want.pod77
-rw-r--r--openssl/doc/ssl/SSL_write.pod109
-rw-r--r--openssl/doc/ssl/d2i_SSL_SESSION.pod66
-rw-r--r--openssl/doc/ssl/ssl.pod736
79 files changed, 6907 insertions, 0 deletions
diff --git a/openssl/doc/ssl/SSL_CIPHER_get_name.pod b/openssl/doc/ssl/SSL_CIPHER_get_name.pod
new file mode 100644
index 000000000..f62a869a9
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CIPHER_get_name.pod
@@ -0,0 +1,112 @@
+=pod
+
+=head1 NAME
+
+SSL_CIPHER_get_name, SSL_CIPHER_get_bits, SSL_CIPHER_get_version, SSL_CIPHER_description - get SSL_CIPHER properties
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ const char *SSL_CIPHER_get_name(const SSL_CIPHER *cipher);
+ int SSL_CIPHER_get_bits(const SSL_CIPHER *cipher, int *alg_bits);
+ char *SSL_CIPHER_get_version(const SSL_CIPHER *cipher);
+ char *SSL_CIPHER_description(SSL_CIPHER *cipher, char *buf, int size);
+
+=head1 DESCRIPTION
+
+SSL_CIPHER_get_name() returns a pointer to the name of B<cipher>. If the
+argument is the NULL pointer, a pointer to the constant value "NONE" is
+returned.
+
+SSL_CIPHER_get_bits() returns the number of secret bits used for B<cipher>. If
+B<alg_bits> is not NULL, it contains the number of bits processed by the
+chosen algorithm. If B<cipher> is NULL, 0 is returned.
+
+SSL_CIPHER_get_version() returns the protocol version for B<cipher>, currently
+"SSLv2", "SSLv3", or "TLSv1". If B<cipher> is NULL, "(NONE)" is returned.
+
+SSL_CIPHER_description() returns a textual description of the cipher used
+into the buffer B<buf> of length B<len> provided. B<len> must be at least
+128 bytes, otherwise a pointer to the string "Buffer too small" is
+returned. If B<buf> is NULL, a buffer of 128 bytes is allocated using
+OPENSSL_malloc(). If the allocation fails, a pointer to the string
+"OPENSSL_malloc Error" is returned.
+
+=head1 NOTES
+
+The number of bits processed can be different from the secret bits. An
+export cipher like e.g. EXP-RC4-MD5 has only 40 secret bits. The algorithm
+does use the full 128 bits (which would be returned for B<alg_bits>), of
+which however 88bits are fixed. The search space is hence only 40 bits.
+
+The string returned by SSL_CIPHER_description() in case of success consists
+of cleartext information separated by one or more blanks in the following
+sequence:
+
+=over 4
+
+=item <ciphername>
+
+Textual representation of the cipher name.
+
+=item <protocol version>
+
+Protocol version: B<SSLv2>, B<SSLv3>. The TLSv1 ciphers are flagged with SSLv3.
+
+=item Kx=<key exchange>
+
+Key exchange method: B<RSA> (for export ciphers as B<RSA(512)> or
+B<RSA(1024)>), B<DH> (for export ciphers as B<DH(512)> or B<DH(1024)>),
+B<DH/RSA>, B<DH/DSS>, B<Fortezza>.
+
+=item Au=<authentication>
+
+Authentication method: B<RSA>, B<DSS>, B<DH>, B<None>. None is the
+representation of anonymous ciphers.
+
+=item Enc=<symmetric encryption method>
+
+Encryption method with number of secret bits: B<DES(40)>, B<DES(56)>,
+B<3DES(168)>, B<RC4(40)>, B<RC4(56)>, B<RC4(64)>, B<RC4(128)>,
+B<RC2(40)>, B<RC2(56)>, B<RC2(128)>, B<IDEA(128)>, B<Fortezza>, B<None>.
+
+=item Mac=<message authentication code>
+
+Message digest: B<MD5>, B<SHA1>.
+
+=item <export flag>
+
+If the cipher is flagged exportable with respect to old US crypto
+regulations, the word "B<export>" is printed.
+
+=back
+
+=head1 EXAMPLES
+
+Some examples for the output of SSL_CIPHER_description():
+
+ EDH-RSA-DES-CBC3-SHA SSLv3 Kx=DH Au=RSA Enc=3DES(168) Mac=SHA1
+ EDH-DSS-DES-CBC3-SHA SSLv3 Kx=DH Au=DSS Enc=3DES(168) Mac=SHA1
+ RC4-MD5 SSLv3 Kx=RSA Au=RSA Enc=RC4(128) Mac=MD5
+ EXP-RC4-MD5 SSLv3 Kx=RSA(512) Au=RSA Enc=RC4(40) Mac=MD5 export
+
+=head1 BUGS
+
+If SSL_CIPHER_description() is called with B<cipher> being NULL, the
+library crashes.
+
+If SSL_CIPHER_description() cannot handle a built-in cipher, the according
+description of the cipher property is B<unknown>. This case should not
+occur.
+
+=head1 RETURN VALUES
+
+See DESCRIPTION
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_get_current_cipher(3)|SSL_get_current_cipher(3)>,
+L<SSL_get_ciphers(3)|SSL_get_ciphers(3)>, L<ciphers(1)|ciphers(1)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_COMP_add_compression_method.pod b/openssl/doc/ssl/SSL_COMP_add_compression_method.pod
new file mode 100644
index 000000000..42fa66b19
--- /dev/null
+++ b/openssl/doc/ssl/SSL_COMP_add_compression_method.pod
@@ -0,0 +1,70 @@
+=pod
+
+=head1 NAME
+
+SSL_COMP_add_compression_method - handle SSL/TLS integrated compression methods
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm);
+
+=head1 DESCRIPTION
+
+SSL_COMP_add_compression_method() adds the compression method B<cm> with
+the identifier B<id> to the list of available compression methods. This
+list is globally maintained for all SSL operations within this application.
+It cannot be set for specific SSL_CTX or SSL objects.
+
+=head1 NOTES
+
+The TLS standard (or SSLv3) allows the integration of compression methods
+into the communication. The TLS RFC does however not specify compression
+methods or their corresponding identifiers, so there is currently no compatible
+way to integrate compression with unknown peers. It is therefore currently not
+recommended to integrate compression into applications. Applications for
+non-public use may agree on certain compression methods. Using different
+compression methods with the same identifier will lead to connection failure.
+
+An OpenSSL client speaking a protocol that allows compression (SSLv3, TLSv1)
+will unconditionally send the list of all compression methods enabled with
+SSL_COMP_add_compression_method() to the server during the handshake.
+Unlike the mechanisms to set a cipher list, there is no method available to
+restrict the list of compression method on a per connection basis.
+
+An OpenSSL server will match the identifiers listed by a client against
+its own compression methods and will unconditionally activate compression
+when a matching identifier is found. There is no way to restrict the list
+of compression methods supported on a per connection basis.
+
+The OpenSSL library has the compression methods B<COMP_rle()> and (when
+especially enabled during compilation) B<COMP_zlib()> available.
+
+=head1 WARNINGS
+
+Once the identities of the compression methods for the TLS protocol have
+been standardized, the compression API will most likely be changed. Using
+it in the current state is not recommended.
+
+=head1 RETURN VALUES
+
+SSL_COMP_add_compression_method() may return the following values:
+
+=over 4
+
+=item 0
+
+The operation succeeded.
+
+=item 1
+
+The operation failed. Check the error queue to find out the reason.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_add_extra_chain_cert.pod b/openssl/doc/ssl/SSL_CTX_add_extra_chain_cert.pod
new file mode 100644
index 000000000..ee28f5ccc
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_add_extra_chain_cert.pod
@@ -0,0 +1,39 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_add_extra_chain_cert - add certificate to chain
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ long SSL_CTX_add_extra_chain_cert(SSL_CTX ctx, X509 *x509)
+
+=head1 DESCRIPTION
+
+SSL_CTX_add_extra_chain_cert() adds the certificate B<x509> to the certificate
+chain presented together with the certificate. Several certificates
+can be added one after the other.
+
+=head1 NOTES
+
+When constructing the certificate chain, the chain will be formed from
+these certificates explicitly specified. If no chain is specified,
+the library will try to complete the chain from the available CA
+certificates in the trusted CA storage, see
+L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>.
+
+=head1 RETURN VALUES
+
+SSL_CTX_add_extra_chain_cert() returns 1 on success. Check out the
+error stack to find out the reason for failure otherwise.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<SSL_CTX_use_certificate(3)|SSL_CTX_use_certificate(3)>,
+L<SSL_CTX_set_client_cert_cb(3)|SSL_CTX_set_client_cert_cb(3)>,
+L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_add_session.pod b/openssl/doc/ssl/SSL_CTX_add_session.pod
new file mode 100644
index 000000000..82676b26b
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_add_session.pod
@@ -0,0 +1,73 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_add_session, SSL_add_session, SSL_CTX_remove_session, SSL_remove_session - manipulate session cache
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c);
+ int SSL_add_session(SSL_CTX *ctx, SSL_SESSION *c);
+
+ int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c);
+ int SSL_remove_session(SSL_CTX *ctx, SSL_SESSION *c);
+
+=head1 DESCRIPTION
+
+SSL_CTX_add_session() adds the session B<c> to the context B<ctx>. The
+reference count for session B<c> is incremented by 1. If a session with
+the same session id already exists, the old session is removed by calling
+L<SSL_SESSION_free(3)|SSL_SESSION_free(3)>.
+
+SSL_CTX_remove_session() removes the session B<c> from the context B<ctx>.
+L<SSL_SESSION_free(3)|SSL_SESSION_free(3)> is called once for B<c>.
+
+SSL_add_session() and SSL_remove_session() are synonyms for their
+SSL_CTX_*() counterparts.
+
+=head1 NOTES
+
+When adding a new session to the internal session cache, it is examined
+whether a session with the same session id already exists. In this case
+it is assumed that both sessions are identical. If the same session is
+stored in a different SSL_SESSION object, The old session is
+removed and replaced by the new session. If the session is actually
+identical (the SSL_SESSION object is identical), SSL_CTX_add_session()
+is a no-op, and the return value is 0.
+
+If a server SSL_CTX is configured with the SSL_SESS_CACHE_NO_INTERNAL_STORE
+flag then the internal cache will not be populated automatically by new
+sessions negotiated by the SSL/TLS implementation, even though the internal
+cache will be searched automatically for session-resume requests (the
+latter can be surpressed by SSL_SESS_CACHE_NO_INTERNAL_LOOKUP). So the
+application can use SSL_CTX_add_session() directly to have full control
+over the sessions that can be resumed if desired.
+
+
+=head1 RETURN VALUES
+
+The following values are returned by all functions:
+
+=over 4
+
+=item 0
+
+ The operation failed. In case of the add operation, it was tried to add
+ the same (identical) session twice. In case of the remove operation, the
+ session was not found in the cache.
+
+=item 1
+
+ The operation succeeded.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>,
+L<SSL_SESSION_free(3)|SSL_SESSION_free(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_ctrl.pod b/openssl/doc/ssl/SSL_CTX_ctrl.pod
new file mode 100644
index 000000000..fb6adcf50
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_ctrl.pod
@@ -0,0 +1,34 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_ctrl, SSL_CTX_callback_ctrl, SSL_ctrl, SSL_callback_ctrl - internal handling functions for SSL_CTX and SSL objects
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg);
+ long SSL_CTX_callback_ctrl(SSL_CTX *, int cmd, void (*fp)());
+
+ long SSL_ctrl(SSL *ssl, int cmd, long larg, void *parg);
+ long SSL_callback_ctrl(SSL *, int cmd, void (*fp)());
+
+=head1 DESCRIPTION
+
+The SSL_*_ctrl() family of functions is used to manipulate settings of
+the SSL_CTX and SSL objects. Depending on the command B<cmd> the arguments
+B<larg>, B<parg>, or B<fp> are evaluated. These functions should never
+be called directly. All functionalities needed are made available via
+other functions or macros.
+
+=head1 RETURN VALUES
+
+The return values of the SSL*_ctrl() functions depend on the command
+supplied via the B<cmd> parameter.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_flush_sessions.pod b/openssl/doc/ssl/SSL_CTX_flush_sessions.pod
new file mode 100644
index 000000000..148c36c87
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_flush_sessions.pod
@@ -0,0 +1,49 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_flush_sessions, SSL_flush_sessions - remove expired sessions
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
+ void SSL_flush_sessions(SSL_CTX *ctx, long tm);
+
+=head1 DESCRIPTION
+
+SSL_CTX_flush_sessions() causes a run through the session cache of
+B<ctx> to remove sessions expired at time B<tm>.
+
+SSL_flush_sessions() is a synonym for SSL_CTX_flush_sessions().
+
+=head1 NOTES
+
+If enabled, the internal session cache will collect all sessions established
+up to the specified maximum number (see SSL_CTX_sess_set_cache_size()).
+As sessions will not be reused ones they are expired, they should be
+removed from the cache to save resources. This can either be done
+ automatically whenever 255 new sessions were established (see
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>)
+or manually by calling SSL_CTX_flush_sessions().
+
+The parameter B<tm> specifies the time which should be used for the
+expiration test, in most cases the actual time given by time(0)
+will be used.
+
+SSL_CTX_flush_sessions() will only check sessions stored in the internal
+cache. When a session is found and removed, the remove_session_cb is however
+called to synchronize with the external cache (see
+L<SSL_CTX_sess_set_get_cb(3)|SSL_CTX_sess_set_get_cb(3)>).
+
+=head1 RETURN VALUES
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>,
+L<SSL_CTX_set_timeout(3)|SSL_CTX_set_timeout(3)>,
+L<SSL_CTX_sess_set_get_cb(3)|SSL_CTX_sess_set_get_cb(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_free.pod b/openssl/doc/ssl/SSL_CTX_free.pod
new file mode 100644
index 000000000..51d867696
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_free.pod
@@ -0,0 +1,41 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_free - free an allocated SSL_CTX object
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_free(SSL_CTX *ctx);
+
+=head1 DESCRIPTION
+
+SSL_CTX_free() decrements the reference count of B<ctx>, and removes the
+SSL_CTX object pointed to by B<ctx> and frees up the allocated memory if the
+the reference count has reached 0.
+
+It also calls the free()ing procedures for indirectly affected items, if
+applicable: the session cache, the list of ciphers, the list of Client CAs,
+the certificates and keys.
+
+=head1 WARNINGS
+
+If a session-remove callback is set (SSL_CTX_sess_set_remove_cb()), this
+callback will be called for each session being freed from B<ctx>'s
+session cache. This implies, that all corresponding sessions from an
+external session cache are removed as well. If this is not desired, the user
+should explicitly unset the callback by calling
+SSL_CTX_sess_set_remove_cb(B<ctx>, NULL) prior to calling SSL_CTX_free().
+
+=head1 RETURN VALUES
+
+SSL_CTX_free() does not provide diagnostic information.
+
+=head1 SEE ALSO
+
+L<SSL_CTX_new(3)|SSL_CTX_new(3)>, L<ssl(3)|ssl(3)>,
+L<SSL_CTX_sess_set_get_cb(3)|SSL_CTX_sess_set_get_cb(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_get_ex_new_index.pod b/openssl/doc/ssl/SSL_CTX_get_ex_new_index.pod
new file mode 100644
index 000000000..0c40a91f2
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_get_ex_new_index.pod
@@ -0,0 +1,53 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_get_ex_new_index, SSL_CTX_set_ex_data, SSL_CTX_get_ex_data - internal application specific data functions
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_CTX_get_ex_new_index(long argl, void *argp,
+ CRYPTO_EX_new *new_func,
+ CRYPTO_EX_dup *dup_func,
+ CRYPTO_EX_free *free_func);
+
+ int SSL_CTX_set_ex_data(SSL_CTX *ctx, int idx, void *arg);
+
+ void *SSL_CTX_get_ex_data(const SSL_CTX *ctx, int idx);
+
+ typedef int new_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
+ int idx, long argl, void *argp);
+ typedef void free_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
+ int idx, long argl, void *argp);
+ typedef int dup_func(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from, void *from_d,
+ int idx, long argl, void *argp);
+
+=head1 DESCRIPTION
+
+Several OpenSSL structures can have application specific data attached to them.
+These functions are used internally by OpenSSL to manipulate application
+specific data attached to a specific structure.
+
+SSL_CTX_get_ex_new_index() is used to register a new index for application
+specific data.
+
+SSL_CTX_set_ex_data() is used to store application data at B<arg> for B<idx>
+into the B<ctx> object.
+
+SSL_CTX_get_ex_data() is used to retrieve the information for B<idx> from
+B<ctx>.
+
+A detailed description for the B<*_get_ex_new_index()> functionality
+can be found in L<RSA_get_ex_new_index(3)|RSA_get_ex_new_index(3)>.
+The B<*_get_ex_data()> and B<*_set_ex_data()> functionality is described in
+L<CRYPTO_set_ex_data(3)|CRYPTO_set_ex_data(3)>.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<RSA_get_ex_new_index(3)|RSA_get_ex_new_index(3)>,
+L<CRYPTO_set_ex_data(3)|CRYPTO_set_ex_data(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_get_verify_mode.pod b/openssl/doc/ssl/SSL_CTX_get_verify_mode.pod
new file mode 100644
index 000000000..2a3747e75
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_get_verify_mode.pod
@@ -0,0 +1,50 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_get_verify_mode, SSL_get_verify_mode, SSL_CTX_get_verify_depth, SSL_get_verify_depth, SSL_get_verify_callback, SSL_CTX_get_verify_callback - get currently set verification parameters
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
+ int SSL_get_verify_mode(const SSL *ssl);
+ int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
+ int SSL_get_verify_depth(const SSL *ssl);
+ int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int, X509_STORE_CTX *);
+ int (*SSL_get_verify_callback(const SSL *ssl))(int, X509_STORE_CTX *);
+
+=head1 DESCRIPTION
+
+SSL_CTX_get_verify_mode() returns the verification mode currently set in
+B<ctx>.
+
+SSL_get_verify_mode() returns the verification mode currently set in
+B<ssl>.
+
+SSL_CTX_get_verify_depth() returns the verification depth limit currently set
+in B<ctx>. If no limit has been explicitly set, -1 is returned and the
+default value will be used.
+
+SSL_get_verify_depth() returns the verification depth limit currently set
+in B<ssl>. If no limit has been explicitly set, -1 is returned and the
+default value will be used.
+
+SSL_CTX_get_verify_callback() returns a function pointer to the verification
+callback currently set in B<ctx>. If no callback was explicitly set, the
+NULL pointer is returned and the default callback will be used.
+
+SSL_get_verify_callback() returns a function pointer to the verification
+callback currently set in B<ssl>. If no callback was explicitly set, the
+NULL pointer is returned and the default callback will be used.
+
+=head1 RETURN VALUES
+
+See DESCRIPTION
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_load_verify_locations.pod b/openssl/doc/ssl/SSL_CTX_load_verify_locations.pod
new file mode 100644
index 000000000..84a799fc7
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_load_verify_locations.pod
@@ -0,0 +1,124 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_load_verify_locations - set default locations for trusted CA
+certificates
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
+ const char *CApath);
+
+=head1 DESCRIPTION
+
+SSL_CTX_load_verify_locations() specifies the locations for B<ctx>, at
+which CA certificates for verification purposes are located. The certificates
+available via B<CAfile> and B<CApath> are trusted.
+
+=head1 NOTES
+
+If B<CAfile> is not NULL, it points to a file of CA certificates in PEM
+format. The file can contain several CA certificates identified by
+
+ -----BEGIN CERTIFICATE-----
+ ... (CA certificate in base64 encoding) ...
+ -----END CERTIFICATE-----
+
+sequences. Before, between, and after the certificates text is allowed
+which can be used e.g. for descriptions of the certificates.
+
+The B<CAfile> is processed on execution of the SSL_CTX_load_verify_locations()
+function.
+
+If B<CApath> is not NULL, it points to a directory containing CA certificates
+in PEM format. The files each contain one CA certificate. The files are
+looked up by the CA subject name hash value, which must hence be available.
+If more than one CA certificate with the same name hash value exist, the
+extension must be different (e.g. 9d66eef0.0, 9d66eef0.1 etc). The search
+is performed in the ordering of the extension number, regardless of other
+properties of the certificates.
+Use the B<c_rehash> utility to create the necessary links.
+
+The certificates in B<CApath> are only looked up when required, e.g. when
+building the certificate chain or when actually performing the verification
+of a peer certificate.
+
+When looking up CA certificates, the OpenSSL library will first search the
+certificates in B<CAfile>, then those in B<CApath>. Certificate matching
+is done based on the subject name, the key identifier (if present), and the
+serial number as taken from the certificate to be verified. If these data
+do not match, the next certificate will be tried. If a first certificate
+matching the parameters is found, the verification process will be performed;
+no other certificates for the same parameters will be searched in case of
+failure.
+
+In server mode, when requesting a client certificate, the server must send
+the list of CAs of which it will accept client certificates. This list
+is not influenced by the contents of B<CAfile> or B<CApath> and must
+explicitly be set using the
+L<SSL_CTX_set_client_CA_list(3)|SSL_CTX_set_client_CA_list(3)>
+family of functions.
+
+When building its own certificate chain, an OpenSSL client/server will
+try to fill in missing certificates from B<CAfile>/B<CApath>, if the
+certificate chain was not explicitly specified (see
+L<SSL_CTX_add_extra_chain_cert(3)|SSL_CTX_add_extra_chain_cert(3)>,
+L<SSL_CTX_use_certificate(3)|SSL_CTX_use_certificate(3)>.
+
+=head1 WARNINGS
+
+If several CA certificates matching the name, key identifier, and serial
+number condition are available, only the first one will be examined. This
+may lead to unexpected results if the same CA certificate is available
+with different expiration dates. If a "certificate expired" verification
+error occurs, no other certificate will be searched. Make sure to not
+have expired certificates mixed with valid ones.
+
+=head1 EXAMPLES
+
+Generate a CA certificate file with descriptive text from the CA certificates
+ca1.pem ca2.pem ca3.pem:
+
+ #!/bin/sh
+ rm CAfile.pem
+ for i in ca1.pem ca2.pem ca3.pem ; do
+ openssl x509 -in $i -text >> CAfile.pem
+ done
+
+Prepare the directory /some/where/certs containing several CA certificates
+for use as B<CApath>:
+
+ cd /some/where/certs
+ c_rehash .
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item 0
+
+The operation failed because B<CAfile> and B<CApath> are NULL or the
+processing at one of the locations specified failed. Check the error
+stack to find out the reason.
+
+=item 1
+
+The operation succeeded.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<SSL_CTX_set_client_CA_list(3)|SSL_CTX_set_client_CA_list(3)>,
+L<SSL_get_client_CA_list(3)|SSL_get_client_CA_list(3)>,
+L<SSL_CTX_use_certificate(3)|SSL_CTX_use_certificate(3)>,
+L<SSL_CTX_add_extra_chain_cert(3)|SSL_CTX_add_extra_chain_cert(3)>,
+L<SSL_CTX_set_cert_store(3)|SSL_CTX_set_cert_store(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_new.pod b/openssl/doc/ssl/SSL_CTX_new.pod
new file mode 100644
index 000000000..465220a75
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_new.pod
@@ -0,0 +1,94 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_new - create a new SSL_CTX object as framework for TLS/SSL enabled functions
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ SSL_CTX *SSL_CTX_new(SSL_METHOD *method);
+
+=head1 DESCRIPTION
+
+SSL_CTX_new() creates a new B<SSL_CTX> object as framework to establish
+TLS/SSL enabled connections.
+
+=head1 NOTES
+
+The SSL_CTX object uses B<method> as connection method. The methods exist
+in a generic type (for client and server use), a server only type, and a
+client only type. B<method> can be of the following types:
+
+=over 4
+
+=item SSLv2_method(void), SSLv2_server_method(void), SSLv2_client_method(void)
+
+A TLS/SSL connection established with these methods will only understand
+the SSLv2 protocol. A client will send out SSLv2 client hello messages
+and will also indicate that it only understand SSLv2. A server will only
+understand SSLv2 client hello messages.
+
+=item SSLv3_method(void), SSLv3_server_method(void), SSLv3_client_method(void)
+
+A TLS/SSL connection established with these methods will only understand the
+SSLv3 protocol. A client will send out SSLv3 client hello messages
+and will indicate that it only understands SSLv3. A server will only understand
+SSLv3 client hello messages. This especially means, that it will
+not understand SSLv2 client hello messages which are widely used for
+compatibility reasons, see SSLv23_*_method().
+
+=item TLSv1_method(void), TLSv1_server_method(void), TLSv1_client_method(void)
+
+A TLS/SSL connection established with these methods will only understand the
+TLSv1 protocol. A client will send out TLSv1 client hello messages
+and will indicate that it only understands TLSv1. A server will only understand
+TLSv1 client hello messages. This especially means, that it will
+not understand SSLv2 client hello messages which are widely used for
+compatibility reasons, see SSLv23_*_method(). It will also not understand
+SSLv3 client hello messages.
+
+=item SSLv23_method(void), SSLv23_server_method(void), SSLv23_client_method(void)
+
+A TLS/SSL connection established with these methods will understand the SSLv2,
+SSLv3, and TLSv1 protocol. A client will send out SSLv2 client hello messages
+and will indicate that it also understands SSLv3 and TLSv1. A server will
+understand SSLv2, SSLv3, and TLSv1 client hello messages. This is the best
+choice when compatibility is a concern.
+
+=back
+
+The list of protocols available can later be limited using the SSL_OP_NO_SSLv2,
+SSL_OP_NO_SSLv3, SSL_OP_NO_TLSv1 options of the B<SSL_CTX_set_options()> or
+B<SSL_set_options()> functions. Using these options it is possible to choose
+e.g. SSLv23_server_method() and be able to negotiate with all possible
+clients, but to only allow newer protocols like SSLv3 or TLSv1.
+
+SSL_CTX_new() initializes the list of ciphers, the session cache setting,
+the callbacks, the keys and certificates, and the options to its default
+values.
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item NULL
+
+The creation of a new SSL_CTX object failed. Check the error stack to
+find out the reason.
+
+=item Pointer to an SSL_CTX object
+
+The return value points to an allocated SSL_CTX object.
+
+=back
+
+=head1 SEE ALSO
+
+L<SSL_CTX_free(3)|SSL_CTX_free(3)>, L<SSL_accept(3)|SSL_accept(3)>,
+L<ssl(3)|ssl(3)>, L<SSL_set_connect_state(3)|SSL_set_connect_state(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_sess_number.pod b/openssl/doc/ssl/SSL_CTX_sess_number.pod
new file mode 100644
index 000000000..19aa4e290
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_sess_number.pod
@@ -0,0 +1,76 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_sess_number, SSL_CTX_sess_connect, SSL_CTX_sess_connect_good, SSL_CTX_sess_connect_renegotiate, SSL_CTX_sess_accept, SSL_CTX_sess_accept_good, SSL_CTX_sess_accept_renegotiate, SSL_CTX_sess_hits, SSL_CTX_sess_cb_hits, SSL_CTX_sess_misses, SSL_CTX_sess_timeouts, SSL_CTX_sess_cache_full - obtain session cache statistics
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ long SSL_CTX_sess_number(SSL_CTX *ctx);
+ long SSL_CTX_sess_connect(SSL_CTX *ctx);
+ long SSL_CTX_sess_connect_good(SSL_CTX *ctx);
+ long SSL_CTX_sess_connect_renegotiate(SSL_CTX *ctx);
+ long SSL_CTX_sess_accept(SSL_CTX *ctx);
+ long SSL_CTX_sess_accept_good(SSL_CTX *ctx);
+ long SSL_CTX_sess_accept_renegotiate(SSL_CTX *ctx);
+ long SSL_CTX_sess_hits(SSL_CTX *ctx);
+ long SSL_CTX_sess_cb_hits(SSL_CTX *ctx);
+ long SSL_CTX_sess_misses(SSL_CTX *ctx);
+ long SSL_CTX_sess_timeouts(SSL_CTX *ctx);
+ long SSL_CTX_sess_cache_full(SSL_CTX *ctx);
+
+=head1 DESCRIPTION
+
+SSL_CTX_sess_number() returns the current number of sessions in the internal
+session cache.
+
+SSL_CTX_sess_connect() returns the number of started SSL/TLS handshakes in
+client mode.
+
+SSL_CTX_sess_connect_good() returns the number of successfully established
+SSL/TLS sessions in client mode.
+
+SSL_CTX_sess_connect_renegotiate() returns the number of start renegotiations
+in client mode.
+
+SSL_CTX_sess_accept() returns the number of started SSL/TLS handshakes in
+server mode.
+
+SSL_CTX_sess_accept_good() returns the number of successfully established
+SSL/TLS sessions in server mode.
+
+SSL_CTX_sess_accept_renegotiate() returns the number of start renegotiations
+in server mode.
+
+SSL_CTX_sess_hits() returns the number of successfully reused sessions.
+In client mode a session set with L<SSL_set_session(3)|SSL_set_session(3)>
+successfully reused is counted as a hit. In server mode a session successfully
+retrieved from internal or external cache is counted as a hit.
+
+SSL_CTX_sess_cb_hits() returns the number of successfully retrieved sessions
+from the external session cache in server mode.
+
+SSL_CTX_sess_misses() returns the number of sessions proposed by clients
+that were not found in the internal session cache in server mode.
+
+SSL_CTX_sess_timeouts() returns the number of sessions proposed by clients
+and either found in the internal or external session cache in server mode,
+ but that were invalid due to timeout. These sessions are not included in
+the SSL_CTX_sess_hits() count.
+
+SSL_CTX_sess_cache_full() returns the number of sessions that were removed
+because the maximum session cache size was exceeded.
+
+=head1 RETURN VALUES
+
+The functions return the values indicated in the DESCRIPTION section.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_set_session(3)|SSL_set_session(3)>,
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>
+L<SSL_CTX_sess_set_cache_size(3)|SSL_CTX_sess_set_cache_size(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_sess_set_cache_size.pod b/openssl/doc/ssl/SSL_CTX_sess_set_cache_size.pod
new file mode 100644
index 000000000..c8b99f4ee
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_sess_set_cache_size.pod
@@ -0,0 +1,51 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_sess_set_cache_size, SSL_CTX_sess_get_cache_size - manipulate session cache size
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ long SSL_CTX_sess_set_cache_size(SSL_CTX *ctx, long t);
+ long SSL_CTX_sess_get_cache_size(SSL_CTX *ctx);
+
+=head1 DESCRIPTION
+
+SSL_CTX_sess_set_cache_size() sets the size of the internal session cache
+of context B<ctx> to B<t>.
+
+SSL_CTX_sess_get_cache_size() returns the currently valid session cache size.
+
+=head1 NOTES
+
+The internal session cache size is SSL_SESSION_CACHE_MAX_SIZE_DEFAULT,
+currently 1024*20, so that up to 20000 sessions can be held. This size
+can be modified using the SSL_CTX_sess_set_cache_size() call. A special
+case is the size 0, which is used for unlimited size.
+
+When the maximum number of sessions is reached, no more new sessions are
+added to the cache. New space may be added by calling
+L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)> to remove
+expired sessions.
+
+If the size of the session cache is reduced and more sessions are already
+in the session cache, old session will be removed at the next time a
+session shall be added. This removal is not synchronized with the
+expiration of sessions.
+
+=head1 RETURN VALUES
+
+SSL_CTX_sess_set_cache_size() returns the previously valid size.
+
+SSL_CTX_sess_get_cache_size() returns the currently valid size.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>,
+L<SSL_CTX_sess_number(3)|SSL_CTX_sess_number(3)>,
+L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_sess_set_get_cb.pod b/openssl/doc/ssl/SSL_CTX_sess_set_get_cb.pod
new file mode 100644
index 000000000..b9d54a40a
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_sess_set_get_cb.pod
@@ -0,0 +1,87 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_sess_set_new_cb, SSL_CTX_sess_set_remove_cb, SSL_CTX_sess_set_get_cb, SSL_CTX_sess_get_new_cb, SSL_CTX_sess_get_remove_cb, SSL_CTX_sess_get_get_cb - provide callback functions for server side external session caching
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
+ int (*new_session_cb)(SSL *, SSL_SESSION *));
+ void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
+ void (*remove_session_cb)(SSL_CTX *ctx, SSL_SESSION *));
+ void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
+ SSL_SESSION (*get_session_cb)(SSL *, unsigned char *, int, int *));
+
+ int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx))(struct ssl_st *ssl, SSL_SESSION *sess);
+ void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx))(struct ssl_ctx_st *ctx, SSL_SESSION *sess);
+ SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx))(struct ssl_st *ssl, unsigned char *data, int len, int *copy);
+
+ int (*new_session_cb)(struct ssl_st *ssl, SSL_SESSION *sess);
+ void (*remove_session_cb)(struct ssl_ctx_st *ctx, SSL_SESSION *sess);
+ SSL_SESSION *(*get_session_cb)(struct ssl_st *ssl, unsigned char *data,
+ int len, int *copy);
+
+=head1 DESCRIPTION
+
+SSL_CTX_sess_set_new_cb() sets the callback function, which is automatically
+called whenever a new session was negotiated.
+
+SSL_CTX_sess_set_remove_cb() sets the callback function, which is
+automatically called whenever a session is removed by the SSL engine,
+because it is considered faulty or the session has become obsolete because
+of exceeding the timeout value.
+
+SSL_CTX_sess_set_get_cb() sets the callback function which is called,
+whenever a SSL/TLS client proposed to resume a session but the session
+could not be found in the internal session cache (see
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>).
+(SSL/TLS server only.)
+
+SSL_CTX_sess_get_new_cb(), SSL_CTX_sess_get_remove_cb(), and
+SSL_CTX_sess_get_get_cb() allow to retrieve the function pointers of the
+provided callback functions. If a callback function has not been set,
+the NULL pointer is returned.
+
+=head1 NOTES
+
+In order to allow external session caching, synchronization with the internal
+session cache is realized via callback functions. Inside these callback
+functions, session can be saved to disk or put into a database using the
+L<d2i_SSL_SESSION(3)|d2i_SSL_SESSION(3)> interface.
+
+The new_session_cb() is called, whenever a new session has been negotiated
+and session caching is enabled (see
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>).
+The new_session_cb() is passed the B<ssl> connection and the ssl session
+B<sess>. If the callback returns B<0>, the session will be immediately
+removed again.
+
+The remove_session_cb() is called, whenever the SSL engine removes a session
+from the internal cache. This happens when the session is removed because
+it is expired or when a connection was not shutdown cleanly. It also happens
+for all sessions in the internal session cache when
+L<SSL_CTX_free(3)|SSL_CTX_free(3)> is called. The remove_session_cb() is passed
+the B<ctx> and the ssl session B<sess>. It does not provide any feedback.
+
+The get_session_cb() is only called on SSL/TLS servers with the session id
+proposed by the client. The get_session_cb() is always called, also when
+session caching was disabled. The get_session_cb() is passed the
+B<ssl> connection, the session id of length B<length> at the memory location
+B<data>. With the parameter B<copy> the callback can require the
+SSL engine to increment the reference count of the SSL_SESSION object,
+Normally the reference count is not incremented and therefore the
+session must not be explicitly freed with
+L<SSL_SESSION_free(3)|SSL_SESSION_free(3)>.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<d2i_SSL_SESSION(3)|d2i_SSL_SESSION(3)>,
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>,
+L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)>,
+L<SSL_SESSION_free(3)|SSL_SESSION_free(3)>,
+L<SSL_CTX_free(3)|SSL_CTX_free(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_sessions.pod b/openssl/doc/ssl/SSL_CTX_sessions.pod
new file mode 100644
index 000000000..e05aab3c1
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_sessions.pod
@@ -0,0 +1,34 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_sessions - access internal session cache
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx);
+
+=head1 DESCRIPTION
+
+SSL_CTX_sessions() returns a pointer to the lhash databases containing the
+internal session cache for B<ctx>.
+
+=head1 NOTES
+
+The sessions in the internal session cache are kept in an
+L<lhash(3)|lhash(3)> type database. It is possible to directly
+access this database e.g. for searching. In parallel, the sessions
+form a linked list which is maintained separately from the
+L<lhash(3)|lhash(3)> operations, so that the database must not be
+modified directly but by using the
+L<SSL_CTX_add_session(3)|SSL_CTX_add_session(3)> family of functions.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<lhash(3)|lhash(3)>,
+L<SSL_CTX_add_session(3)|SSL_CTX_add_session(3)>,
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_cert_store.pod b/openssl/doc/ssl/SSL_CTX_set_cert_store.pod
new file mode 100644
index 000000000..6acf0d9f9
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_cert_store.pod
@@ -0,0 +1,57 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_cert_store, SSL_CTX_get_cert_store - manipulate X509 certificate verification storage
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store);
+ X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_cert_store() sets/replaces the certificate verification storage
+of B<ctx> to/with B<store>. If another X509_STORE object is currently
+set in B<ctx>, it will be X509_STORE_free()ed.
+
+SSL_CTX_get_cert_store() returns a pointer to the current certificate
+verification storage.
+
+=head1 NOTES
+
+In order to verify the certificates presented by the peer, trusted CA
+certificates must be accessed. These CA certificates are made available
+via lookup methods, handled inside the X509_STORE. From the X509_STORE
+the X509_STORE_CTX used when verifying certificates is created.
+
+Typically the trusted certificate store is handled indirectly via using
+L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>.
+Using the SSL_CTX_set_cert_store() and SSL_CTX_get_cert_store() functions
+it is possible to manipulate the X509_STORE object beyond the
+L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>
+call.
+
+Currently no detailed documentation on how to use the X509_STORE
+object is available. Not all members of the X509_STORE are used when
+the verification takes place. So will e.g. the verify_callback() be
+overridden with the verify_callback() set via the
+L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)> family of functions.
+This document must therefore be updated when documentation about the
+X509_STORE object and its handling becomes available.
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_cert_store() does not return diagnostic output.
+
+SSL_CTX_get_cert_store() returns the current setting.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>,
+L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_cert_verify_callback.pod b/openssl/doc/ssl/SSL_CTX_set_cert_verify_callback.pod
new file mode 100644
index 000000000..c0f4f8570
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_cert_verify_callback.pod
@@ -0,0 +1,75 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_cert_verify_callback - set peer certificate verification procedure
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*callback)(X509_STORE_CTX *,void *), void *arg);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_cert_verify_callback() sets the verification callback function for
+I<ctx>. SSL objects that are created from I<ctx> inherit the setting valid at
+the time when L<SSL_new(3)|SSL_new(3)> is called.
+
+=head1 NOTES
+
+Whenever a certificate is verified during a SSL/TLS handshake, a verification
+function is called. If the application does not explicitly specify a
+verification callback function, the built-in verification function is used.
+If a verification callback I<callback> is specified via
+SSL_CTX_set_cert_verify_callback(), the supplied callback function is called
+instead. By setting I<callback> to NULL, the default behaviour is restored.
+
+When the verification must be performed, I<callback> will be called with
+the arguments callback(X509_STORE_CTX *x509_store_ctx, void *arg). The
+argument I<arg> is specified by the application when setting I<callback>.
+
+I<callback> should return 1 to indicate verification success and 0 to
+indicate verification failure. If SSL_VERIFY_PEER is set and I<callback>
+returns 0, the handshake will fail. As the verification procedure may
+allow to continue the connection in case of failure (by always returning 1)
+the verification result must be set in any case using the B<error>
+member of I<x509_store_ctx> so that the calling application will be informed
+about the detailed result of the verification procedure!
+
+Within I<x509_store_ctx>, I<callback> has access to the I<verify_callback>
+function set using L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>.
+
+=head1 WARNINGS
+
+Do not mix the verification callback described in this function with the
+B<verify_callback> function called during the verification process. The
+latter is set using the L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>
+family of functions.
+
+Providing a complete verification procedure including certificate purpose
+settings etc is a complex task. The built-in procedure is quite powerful
+and in most cases it should be sufficient to modify its behaviour using
+the B<verify_callback> function.
+
+=head1 BUGS
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_cert_verify_callback() does not provide diagnostic information.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>,
+L<SSL_get_verify_result(3)|SSL_get_verify_result(3)>,
+L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>
+
+=head1 HISTORY
+
+Previous to OpenSSL 0.9.7, the I<arg> argument to B<SSL_CTX_set_cert_verify_callback>
+was ignored, and I<callback> was called simply as
+ int (*callback)(X509_STORE_CTX *)
+To compile software written for previous versions of OpenSSL, a dummy
+argument will have to be added to I<callback>.
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_cipher_list.pod b/openssl/doc/ssl/SSL_CTX_set_cipher_list.pod
new file mode 100644
index 000000000..ed64f6415
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_cipher_list.pod
@@ -0,0 +1,70 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_cipher_list, SSL_set_cipher_list - choose list of available SSL_CIPHERs
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str);
+ int SSL_set_cipher_list(SSL *ssl, const char *str);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_cipher_list() sets the list of available ciphers for B<ctx>
+using the control string B<str>. The format of the string is described
+in L<ciphers(1)|ciphers(1)>. The list of ciphers is inherited by all
+B<ssl> objects created from B<ctx>.
+
+SSL_set_cipher_list() sets the list of ciphers only for B<ssl>.
+
+=head1 NOTES
+
+The control string B<str> should be universally usable and not depend
+on details of the library configuration (ciphers compiled in). Thus no
+syntax checking takes place. Items that are not recognized, because the
+corresponding ciphers are not compiled in or because they are mistyped,
+are simply ignored. Failure is only flagged if no ciphers could be collected
+at all.
+
+It should be noted, that inclusion of a cipher to be used into the list is
+a necessary condition. On the client side, the inclusion into the list is
+also sufficient. On the server side, additional restrictions apply. All ciphers
+have additional requirements. ADH ciphers don't need a certificate, but
+DH-parameters must have been set. All other ciphers need a corresponding
+certificate and key.
+
+A RSA cipher can only be chosen, when a RSA certificate is available.
+RSA export ciphers with a keylength of 512 bits for the RSA key require
+a temporary 512 bit RSA key, as typically the supplied key has a length
+of 1024 bit (see
+L<SSL_CTX_set_tmp_rsa_callback(3)|SSL_CTX_set_tmp_rsa_callback(3)>).
+RSA ciphers using EDH need a certificate and key and additional DH-parameters
+(see L<SSL_CTX_set_tmp_dh_callback(3)|SSL_CTX_set_tmp_dh_callback(3)>).
+
+A DSA cipher can only be chosen, when a DSA certificate is available.
+DSA ciphers always use DH key exchange and therefore need DH-parameters
+(see L<SSL_CTX_set_tmp_dh_callback(3)|SSL_CTX_set_tmp_dh_callback(3)>).
+
+When these conditions are not met for any cipher in the list (e.g. a
+client only supports export RSA ciphers with a asymmetric key length
+of 512 bits and the server is not configured to use temporary RSA
+keys), the "no shared cipher" (SSL_R_NO_SHARED_CIPHER) error is generated
+and the handshake will fail.
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_cipher_list() and SSL_set_cipher_list() return 1 if any cipher
+could be selected and 0 on complete failure.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_get_ciphers(3)|SSL_get_ciphers(3)>,
+L<SSL_CTX_use_certificate(3)|SSL_CTX_use_certificate(3)>,
+L<SSL_CTX_set_tmp_rsa_callback(3)|SSL_CTX_set_tmp_rsa_callback(3)>,
+L<SSL_CTX_set_tmp_dh_callback(3)|SSL_CTX_set_tmp_dh_callback(3)>,
+L<ciphers(1)|ciphers(1)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_client_CA_list.pod b/openssl/doc/ssl/SSL_CTX_set_client_CA_list.pod
new file mode 100644
index 000000000..632b556d1
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_client_CA_list.pod
@@ -0,0 +1,94 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_client_CA_list, SSL_set_client_CA_list, SSL_CTX_add_client_CA,
+SSL_add_client_CA - set list of CAs sent to the client when requesting a
+client certificate
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *list);
+ void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *list);
+ int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *cacert);
+ int SSL_add_client_CA(SSL *ssl, X509 *cacert);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_client_CA_list() sets the B<list> of CAs sent to the client when
+requesting a client certificate for B<ctx>.
+
+SSL_set_client_CA_list() sets the B<list> of CAs sent to the client when
+requesting a client certificate for the chosen B<ssl>, overriding the
+setting valid for B<ssl>'s SSL_CTX object.
+
+SSL_CTX_add_client_CA() adds the CA name extracted from B<cacert> to the
+list of CAs sent to the client when requesting a client certificate for
+B<ctx>.
+
+SSL_add_client_CA() adds the CA name extracted from B<cacert> to the
+list of CAs sent to the client when requesting a client certificate for
+the chosen B<ssl>, overriding the setting valid for B<ssl>'s SSL_CTX object.
+
+=head1 NOTES
+
+When a TLS/SSL server requests a client certificate (see
+B<SSL_CTX_set_verify_options()>), it sends a list of CAs, for which
+it will accept certificates, to the client.
+
+This list must explicitly be set using SSL_CTX_set_client_CA_list() for
+B<ctx> and SSL_set_client_CA_list() for the specific B<ssl>. The list
+specified overrides the previous setting. The CAs listed do not become
+trusted (B<list> only contains the names, not the complete certificates); use
+L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>
+to additionally load them for verification.
+
+If the list of acceptable CAs is compiled in a file, the
+L<SSL_load_client_CA_file(3)|SSL_load_client_CA_file(3)>
+function can be used to help importing the necessary data.
+
+SSL_CTX_add_client_CA() and SSL_add_client_CA() can be used to add additional
+items the list of client CAs. If no list was specified before using
+SSL_CTX_set_client_CA_list() or SSL_set_client_CA_list(), a new client
+CA list for B<ctx> or B<ssl> (as appropriate) is opened.
+
+These functions are only useful for TLS/SSL servers.
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_client_CA_list() and SSL_set_client_CA_list() do not return
+diagnostic information.
+
+SSL_CTX_add_client_CA() and SSL_add_client_CA() have the following return
+values:
+
+=over 4
+
+=item 1
+
+The operation succeeded.
+
+=item 0
+
+A failure while manipulating the STACK_OF(X509_NAME) object occurred or
+the X509_NAME could not be extracted from B<cacert>. Check the error stack
+to find out the reason.
+
+=back
+
+=head1 EXAMPLES
+
+Scan all certificates in B<CAfile> and list them as acceptable CAs:
+
+ SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<SSL_get_client_CA_list(3)|SSL_get_client_CA_list(3)>,
+L<SSL_load_client_CA_file(3)|SSL_load_client_CA_file(3)>,
+L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_client_cert_cb.pod b/openssl/doc/ssl/SSL_CTX_set_client_cert_cb.pod
new file mode 100644
index 000000000..3465b5c7b
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_client_cert_cb.pod
@@ -0,0 +1,94 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_client_cert_cb, SSL_CTX_get_client_cert_cb - handle client certificate callback function
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx, int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey));
+ int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx))(SSL *ssl, X509 **x509, EVP_PKEY **pkey);
+ int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_client_cert_cb() sets the B<client_cert_cb()> callback, that is
+called when a client certificate is requested by a server and no certificate
+was yet set for the SSL object.
+
+When B<client_cert_cb()> is NULL, no callback function is used.
+
+SSL_CTX_get_client_cert_cb() returns a pointer to the currently set callback
+function.
+
+client_cert_cb() is the application defined callback. If it wants to
+set a certificate, a certificate/private key combination must be set
+using the B<x509> and B<pkey> arguments and "1" must be returned. The
+certificate will be installed into B<ssl>, see the NOTES and BUGS sections.
+If no certificate should be set, "0" has to be returned and no certificate
+will be sent. A negative return value will suspend the handshake and the
+handshake function will return immediatly. L<SSL_get_error(3)|SSL_get_error(3)>
+will return SSL_ERROR_WANT_X509_LOOKUP to indicate, that the handshake was
+suspended. The next call to the handshake function will again lead to the call
+of client_cert_cb(). It is the job of the client_cert_cb() to store information
+about the state of the last call, if required to continue.
+
+=head1 NOTES
+
+During a handshake (or renegotiation) a server may request a certificate
+from the client. A client certificate must only be sent, when the server
+did send the request.
+
+When a certificate was set using the
+L<SSL_CTX_use_certificate(3)|SSL_CTX_use_certificate(3)> family of functions,
+it will be sent to the server. The TLS standard requires that only a
+certificate is sent, if it matches the list of acceptable CAs sent by the
+server. This constraint is violated by the default behavior of the OpenSSL
+library. Using the callback function it is possible to implement a proper
+selection routine or to allow a user interaction to choose the certificate to
+be sent.
+
+If a callback function is defined and no certificate was yet defined for the
+SSL object, the callback function will be called.
+If the callback function returns a certificate, the OpenSSL library
+will try to load the private key and certificate data into the SSL
+object using the SSL_use_certificate() and SSL_use_private_key() functions.
+Thus it will permanently install the certificate and key for this SSL
+object. It will not be reset by calling L<SSL_clear(3)|SSL_clear(3)>.
+If the callback returns no certificate, the OpenSSL library will not send
+a certificate.
+
+=head1 BUGS
+
+The client_cert_cb() cannot return a complete certificate chain, it can
+only return one client certificate. If the chain only has a length of 2,
+the root CA certificate may be omitted according to the TLS standard and
+thus a standard conforming answer can be sent to the server. For a
+longer chain, the client must send the complete chain (with the option
+to leave out the root CA certificate). This can only be accomplished by
+either adding the intermediate CA certificates into the trusted
+certificate store for the SSL_CTX object (resulting in having to add
+CA certificates that otherwise maybe would not be trusted), or by adding
+the chain certificates using the
+L<SSL_CTX_add_extra_chain_cert(3)|SSL_CTX_add_extra_chain_cert(3)>
+function, which is only available for the SSL_CTX object as a whole and that
+therefore probably can only apply for one client certificate, making
+the concept of the callback function (to allow the choice from several
+certificates) questionable.
+
+Once the SSL object has been used in conjunction with the callback function,
+the certificate will be set for the SSL object and will not be cleared
+even when L<SSL_clear(3)|SSL_clear(3)> is being called. It is therefore
+mandatory to destroy the SSL object using L<SSL_free(3)|SSL_free(3)>
+and create a new one to return to the previous state.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_CTX_use_certificate(3)|SSL_CTX_use_certificate(3)>,
+L<SSL_CTX_add_extra_chain_cert(3)|SSL_CTX_add_extra_chain_cert(3)>,
+L<SSL_get_client_CA_list(3)|SSL_get_client_CA_list(3)>,
+L<SSL_clear(3)|SSL_clear(3)>, L<SSL_free(3)|SSL_free(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_default_passwd_cb.pod b/openssl/doc/ssl/SSL_CTX_set_default_passwd_cb.pod
new file mode 100644
index 000000000..2b87f01ca
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_default_passwd_cb.pod
@@ -0,0 +1,76 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_default_passwd_cb, SSL_CTX_set_default_passwd_cb_userdata - set passwd callback for encrypted PEM file handling
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
+ void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
+
+ int pem_passwd_cb(char *buf, int size, int rwflag, void *userdata);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_default_passwd_cb() sets the default password callback called
+when loading/storing a PEM certificate with encryption.
+
+SSL_CTX_set_default_passwd_cb_userdata() sets a pointer to B<userdata> which
+will be provided to the password callback on invocation.
+
+The pem_passwd_cb(), which must be provided by the application, hands back the
+password to be used during decryption. On invocation a pointer to B<userdata>
+is provided. The pem_passwd_cb must write the password into the provided buffer
+B<buf> which is of size B<size>. The actual length of the password must
+be returned to the calling function. B<rwflag> indicates whether the
+callback is used for reading/decryption (rwflag=0) or writing/encryption
+(rwflag=1).
+
+=head1 NOTES
+
+When loading or storing private keys, a password might be supplied to
+protect the private key. The way this password can be supplied may depend
+on the application. If only one private key is handled, it can be practical
+to have pem_passwd_cb() handle the password dialog interactively. If several
+keys have to be handled, it can be practical to ask for the password once,
+then keep it in memory and use it several times. In the last case, the
+password could be stored into the B<userdata> storage and the
+pem_passwd_cb() only returns the password already stored.
+
+When asking for the password interactively, pem_passwd_cb() can use
+B<rwflag> to check, whether an item shall be encrypted (rwflag=1).
+In this case the password dialog may ask for the same password twice
+for comparison in order to catch typos, that would make decryption
+impossible.
+
+Other items in PEM formatting (certificates) can also be encrypted, it is
+however not usual, as certificate information is considered public.
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_default_passwd_cb() and SSL_CTX_set_default_passwd_cb_userdata()
+do not provide diagnostic information.
+
+=head1 EXAMPLES
+
+The following example returns the password provided as B<userdata> to the
+calling function. The password is considered to be a '\0' terminated
+string. If the password does not fit into the buffer, the password is
+truncated.
+
+ int pem_passwd_cb(char *buf, int size, int rwflag, void *password)
+ {
+ strncpy(buf, (char *)(password), size);
+ buf[size - 1] = '\0';
+ return(strlen(buf));
+ }
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<SSL_CTX_use_certificate(3)|SSL_CTX_use_certificate(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_generate_session_id.pod b/openssl/doc/ssl/SSL_CTX_set_generate_session_id.pod
new file mode 100644
index 000000000..798e8443a
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_generate_session_id.pod
@@ -0,0 +1,150 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_generate_session_id, SSL_set_generate_session_id, SSL_has_matching_session_id - manipulate generation of SSL session IDs (server only)
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ typedef int (*GEN_SESSION_CB)(const SSL *ssl, unsigned char *id,
+ unsigned int *id_len);
+
+ int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb);
+ int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB, cb);
+ int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
+ unsigned int id_len);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_generate_session_id() sets the callback function for generating
+new session ids for SSL/TLS sessions for B<ctx> to be B<cb>.
+
+SSL_set_generate_session_id() sets the callback function for generating
+new session ids for SSL/TLS sessions for B<ssl> to be B<cb>.
+
+SSL_has_matching_session_id() checks, whether a session with id B<id>
+(of length B<id_len>) is already contained in the internal session cache
+of the parent context of B<ssl>.
+
+=head1 NOTES
+
+When a new session is established between client and server, the server
+generates a session id. The session id is an arbitrary sequence of bytes.
+The length of the session id is 16 bytes for SSLv2 sessions and between
+1 and 32 bytes for SSLv3/TLSv1. The session id is not security critical
+but must be unique for the server. Additionally, the session id is
+transmitted in the clear when reusing the session so it must not contain
+sensitive information.
+
+Without a callback being set, an OpenSSL server will generate a unique
+session id from pseudo random numbers of the maximum possible length.
+Using the callback function, the session id can be changed to contain
+additional information like e.g. a host id in order to improve load balancing
+or external caching techniques.
+
+The callback function receives a pointer to the memory location to put
+B<id> into and a pointer to the maximum allowed length B<id_len>. The
+buffer at location B<id> is only guaranteed to have the size B<id_len>.
+The callback is only allowed to generate a shorter id and reduce B<id_len>;
+the callback B<must never> increase B<id_len> or write to the location
+B<id> exceeding the given limit.
+
+If a SSLv2 session id is generated and B<id_len> is reduced, it will be
+restored after the callback has finished and the session id will be padded
+with 0x00. It is not recommended to change the B<id_len> for SSLv2 sessions.
+The callback can use the L<SSL_get_version(3)|SSL_get_version(3)> function
+to check, whether the session is of type SSLv2.
+
+The location B<id> is filled with 0x00 before the callback is called, so the
+callback may only fill part of the possible length and leave B<id_len>
+untouched while maintaining reproducibility.
+
+Since the sessions must be distinguished, session ids must be unique.
+Without the callback a random number is used, so that the probability
+of generating the same session id is extremely small (2^128 possible ids
+for an SSLv2 session, 2^256 for SSLv3/TLSv1). In order to assure the
+uniqueness of the generated session id, the callback must call
+SSL_has_matching_session_id() and generate another id if a conflict occurs.
+If an id conflict is not resolved, the handshake will fail.
+If the application codes e.g. a unique host id, a unique process number, and
+a unique sequence number into the session id, uniqueness could easily be
+achieved without randomness added (it should however be taken care that
+no confidential information is leaked this way). If the application can not
+guarantee uniqueness, it is recommended to use the maximum B<id_len> and
+fill in the bytes not used to code special information with random data
+to avoid collisions.
+
+SSL_has_matching_session_id() will only query the internal session cache,
+not the external one. Since the session id is generated before the
+handshake is completed, it is not immediately added to the cache. If
+another thread is using the same internal session cache, a race condition
+can occur in that another thread generates the same session id.
+Collisions can also occur when using an external session cache, since
+the external cache is not tested with SSL_has_matching_session_id()
+and the same race condition applies.
+
+When calling SSL_has_matching_session_id() for an SSLv2 session with
+reduced B<id_len>, the match operation will be performed using the
+fixed length required and with a 0x00 padded id.
+
+The callback must return 0 if it cannot generate a session id for whatever
+reason and return 1 on success.
+
+=head1 EXAMPLES
+
+The callback function listed will generate a session id with the
+server id given, and will fill the rest with pseudo random bytes:
+
+ const char session_id_prefix = "www-18";
+
+ #define MAX_SESSION_ID_ATTEMPTS 10
+ static int generate_session_id(const SSL *ssl, unsigned char *id,
+ unsigned int *id_len)
+ {
+ unsigned int count = 0;
+ const char *version;
+
+ version = SSL_get_version(ssl);
+ if (!strcmp(version, "SSLv2"))
+ /* we must not change id_len */;
+
+ do {
+ RAND_pseudo_bytes(id, *id_len);
+ /* Prefix the session_id with the required prefix. NB: If our
+ * prefix is too long, clip it - but there will be worse effects
+ * anyway, eg. the server could only possibly create 1 session
+ * ID (ie. the prefix!) so all future session negotiations will
+ * fail due to conflicts. */
+ memcpy(id, session_id_prefix,
+ (strlen(session_id_prefix) < *id_len) ?
+ strlen(session_id_prefix) : *id_len);
+ }
+ while(SSL_has_matching_session_id(ssl, id, *id_len) &&
+ (++count < MAX_SESSION_ID_ATTEMPTS));
+ if(count >= MAX_SESSION_ID_ATTEMPTS)
+ return 0;
+ return 1;
+ }
+
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_generate_session_id() and SSL_set_generate_session_id()
+always return 1.
+
+SSL_has_matching_session_id() returns 1 if another session with the
+same id is already in the cache.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_get_version(3)|SSL_get_version(3)>
+
+=head1 HISTORY
+
+SSL_CTX_set_generate_session_id(), SSL_set_generate_session_id()
+and SSL_has_matching_session_id() have been introduced in
+OpenSSL 0.9.7.
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_info_callback.pod b/openssl/doc/ssl/SSL_CTX_set_info_callback.pod
new file mode 100644
index 000000000..0b4affd5e
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_info_callback.pod
@@ -0,0 +1,153 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_info_callback, SSL_CTX_get_info_callback, SSL_set_info_callback, SSL_get_info_callback - handle information callback for SSL connections
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_set_info_callback(SSL_CTX *ctx, void (*callback)());
+ void (*SSL_CTX_get_info_callback(const SSL_CTX *ctx))();
+
+ void SSL_set_info_callback(SSL *ssl, void (*callback)());
+ void (*SSL_get_info_callback(const SSL *ssl))();
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_info_callback() sets the B<callback> function, that can be used to
+obtain state information for SSL objects created from B<ctx> during connection
+setup and use. The setting for B<ctx> is overridden from the setting for
+a specific SSL object, if specified.
+When B<callback> is NULL, not callback function is used.
+
+SSL_set_info_callback() sets the B<callback> function, that can be used to
+obtain state information for B<ssl> during connection setup and use.
+When B<callback> is NULL, the callback setting currently valid for
+B<ctx> is used.
+
+SSL_CTX_get_info_callback() returns a pointer to the currently set information
+callback function for B<ctx>.
+
+SSL_get_info_callback() returns a pointer to the currently set information
+callback function for B<ssl>.
+
+=head1 NOTES
+
+When setting up a connection and during use, it is possible to obtain state
+information from the SSL/TLS engine. When set, an information callback function
+is called whenever the state changes, an alert appears, or an error occurs.
+
+The callback function is called as B<callback(SSL *ssl, int where, int ret)>.
+The B<where> argument specifies information about where (in which context)
+the callback function was called. If B<ret> is 0, an error condition occurred.
+If an alert is handled, SSL_CB_ALERT is set and B<ret> specifies the alert
+information.
+
+B<where> is a bitmask made up of the following bits:
+
+=over 4
+
+=item SSL_CB_LOOP
+
+Callback has been called to indicate state change inside a loop.
+
+=item SSL_CB_EXIT
+
+Callback has been called to indicate error exit of a handshake function.
+(May be soft error with retry option for non-blocking setups.)
+
+=item SSL_CB_READ
+
+Callback has been called during read operation.
+
+=item SSL_CB_WRITE
+
+Callback has been called during write operation.
+
+=item SSL_CB_ALERT
+
+Callback has been called due to an alert being sent or received.
+
+=item SSL_CB_READ_ALERT (SSL_CB_ALERT|SSL_CB_READ)
+
+=item SSL_CB_WRITE_ALERT (SSL_CB_ALERT|SSL_CB_WRITE)
+
+=item SSL_CB_ACCEPT_LOOP (SSL_ST_ACCEPT|SSL_CB_LOOP)
+
+=item SSL_CB_ACCEPT_EXIT (SSL_ST_ACCEPT|SSL_CB_EXIT)
+
+=item SSL_CB_CONNECT_LOOP (SSL_ST_CONNECT|SSL_CB_LOOP)
+
+=item SSL_CB_CONNECT_EXIT (SSL_ST_CONNECT|SSL_CB_EXIT)
+
+=item SSL_CB_HANDSHAKE_START
+
+Callback has been called because a new handshake is started.
+
+=item SSL_CB_HANDSHAKE_DONE 0x20
+
+Callback has been called because a handshake is finished.
+
+=back
+
+The current state information can be obtained using the
+L<SSL_state_string(3)|SSL_state_string(3)> family of functions.
+
+The B<ret> information can be evaluated using the
+L<SSL_alert_type_string(3)|SSL_alert_type_string(3)> family of functions.
+
+=head1 RETURN VALUES
+
+SSL_set_info_callback() does not provide diagnostic information.
+
+SSL_get_info_callback() returns the current setting.
+
+=head1 EXAMPLES
+
+The following example callback function prints state strings, information
+about alerts being handled and error messages to the B<bio_err> BIO.
+
+ void apps_ssl_info_callback(SSL *s, int where, int ret)
+ {
+ const char *str;
+ int w;
+
+ w=where& ~SSL_ST_MASK;
+
+ if (w & SSL_ST_CONNECT) str="SSL_connect";
+ else if (w & SSL_ST_ACCEPT) str="SSL_accept";
+ else str="undefined";
+
+ if (where & SSL_CB_LOOP)
+ {
+ BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
+ }
+ else if (where & SSL_CB_ALERT)
+ {
+ str=(where & SSL_CB_READ)?"read":"write";
+ BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
+ str,
+ SSL_alert_type_string_long(ret),
+ SSL_alert_desc_string_long(ret));
+ }
+ else if (where & SSL_CB_EXIT)
+ {
+ if (ret == 0)
+ BIO_printf(bio_err,"%s:failed in %s\n",
+ str,SSL_state_string_long(s));
+ else if (ret < 0)
+ {
+ BIO_printf(bio_err,"%s:error in %s\n",
+ str,SSL_state_string_long(s));
+ }
+ }
+ }
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_state_string(3)|SSL_state_string(3)>,
+L<SSL_alert_type_string(3)|SSL_alert_type_string(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_max_cert_list.pod b/openssl/doc/ssl/SSL_CTX_set_max_cert_list.pod
new file mode 100644
index 000000000..da68cb9fc
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_max_cert_list.pod
@@ -0,0 +1,77 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_max_cert_list, SSL_CTX_get_max_cert_list, SSL_set_max_cert_list, SSL_get_max_cert_list, - manipulate allowed for the peer's certificate chain
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ long SSL_CTX_set_max_cert_list(SSL_CTX *ctx, long size);
+ long SSL_CTX_get_max_cert_list(SSL_CTX *ctx);
+
+ long SSL_set_max_cert_list(SSL *ssl, long size);
+ long SSL_get_max_cert_list(SSL *ctx);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_max_cert_list() sets the maximum size allowed for the peer's
+certificate chain for all SSL objects created from B<ctx> to be <size> bytes.
+The SSL objects inherit the setting valid for B<ctx> at the time
+L<SSL_new(3)|SSL_new(3)> is being called.
+
+SSL_CTX_get_max_cert_list() returns the currently set maximum size for B<ctx>.
+
+SSL_set_max_cert_list() sets the maximum size allowed for the peer's
+certificate chain for B<ssl> to be <size> bytes. This setting stays valid
+until a new value is set.
+
+SSL_get_max_cert_list() returns the currently set maximum size for B<ssl>.
+
+=head1 NOTES
+
+During the handshake process, the peer may send a certificate chain.
+The TLS/SSL standard does not give any maximum size of the certificate chain.
+The OpenSSL library handles incoming data by a dynamically allocated buffer.
+In order to prevent this buffer from growing without bounds due to data
+received from a faulty or malicious peer, a maximum size for the certificate
+chain is set.
+
+The default value for the maximum certificate chain size is 100kB (30kB
+on the 16bit DOS platform). This should be sufficient for usual certificate
+chains (OpenSSL's default maximum chain length is 10, see
+L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>, and certificates
+without special extensions have a typical size of 1-2kB).
+
+For special applications it can be necessary to extend the maximum certificate
+chain size allowed to be sent by the peer, see e.g. the work on
+"Internet X.509 Public Key Infrastructure Proxy Certificate Profile"
+and "TLS Delegation Protocol" at http://www.ietf.org/ and
+http://www.globus.org/ .
+
+Under normal conditions it should never be necessary to set a value smaller
+than the default, as the buffer is handled dynamically and only uses the
+memory actually required by the data sent by the peer.
+
+If the maximum certificate chain size allowed is exceeded, the handshake will
+fail with a SSL_R_EXCESSIVE_MESSAGE_SIZE error.
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_max_cert_list() and SSL_set_max_cert_list() return the previously
+set value.
+
+SSL_CTX_get_max_cert_list() and SSL_get_max_cert_list() return the currently
+set value.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_new(3)|SSL_new(3)>,
+L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>
+
+=head1 HISTORY
+
+SSL*_set/get_max_cert_list() have been introduced in OpenSSL 0.9.7.
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_mode.pod b/openssl/doc/ssl/SSL_CTX_set_mode.pod
new file mode 100644
index 000000000..9822544e5
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_mode.pod
@@ -0,0 +1,81 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_mode, SSL_set_mode, SSL_CTX_get_mode, SSL_get_mode - manipulate SSL engine mode
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ long SSL_CTX_set_mode(SSL_CTX *ctx, long mode);
+ long SSL_set_mode(SSL *ssl, long mode);
+
+ long SSL_CTX_get_mode(SSL_CTX *ctx);
+ long SSL_get_mode(SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_mode() adds the mode set via bitmask in B<mode> to B<ctx>.
+Options already set before are not cleared.
+
+SSL_set_mode() adds the mode set via bitmask in B<mode> to B<ssl>.
+Options already set before are not cleared.
+
+SSL_CTX_get_mode() returns the mode set for B<ctx>.
+
+SSL_get_mode() returns the mode set for B<ssl>.
+
+=head1 NOTES
+
+The following mode changes are available:
+
+=over 4
+
+=item SSL_MODE_ENABLE_PARTIAL_WRITE
+
+Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
+when just a single record has been written). When not set (the default),
+SSL_write() will only report success once the complete chunk was written.
+Once SSL_write() returns with r, r bytes have been successfully written
+and the next call to SSL_write() must only send the n-r bytes left,
+imitating the behaviour of write().
+
+=item SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER
+
+Make it possible to retry SSL_write() with changed buffer location
+(the buffer contents must stay the same). This is not the default to avoid
+the misconception that non-blocking SSL_write() behaves like
+non-blocking write().
+
+=item SSL_MODE_AUTO_RETRY
+
+Never bother the application with retries if the transport is blocking.
+If a renegotiation take place during normal operation, a
+L<SSL_read(3)|SSL_read(3)> or L<SSL_write(3)|SSL_write(3)> would return
+with -1 and indicate the need to retry with SSL_ERROR_WANT_READ.
+In a non-blocking environment applications must be prepared to handle
+incomplete read/write operations.
+In a blocking environment, applications are not always prepared to
+deal with read/write operations returning without success report. The
+flag SSL_MODE_AUTO_RETRY will cause read/write operations to only
+return after the handshake and successful completion.
+
+=back
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_mode() and SSL_set_mode() return the new mode bitmask
+after adding B<mode>.
+
+SSL_CTX_get_mode() and SSL_get_mode() return the current bitmask.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_read(3)|SSL_read(3)>, L<SSL_write(3)|SSL_write(3)>
+
+=head1 HISTORY
+
+SSL_MODE_AUTO_RETRY as been added in OpenSSL 0.9.6.
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_msg_callback.pod b/openssl/doc/ssl/SSL_CTX_set_msg_callback.pod
new file mode 100644
index 000000000..0015e6ea7
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_msg_callback.pod
@@ -0,0 +1,99 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_msg_callback, SSL_CTX_set_msg_callback_arg, SSL_set_msg_callback, SSL_get_msg_callback_arg - install callback for observing protocol messages
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg));
+ void SSL_CTX_set_msg_callback_arg(SSL_CTX *ctx, void *arg);
+
+ void SSL_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg));
+ void SSL_set_msg_callback_arg(SSL_CTX *ctx, void *arg);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_msg_callback() or SSL_set_msg_callback() can be used to
+define a message callback function I<cb> for observing all SSL/TLS
+protocol messages (such as handshake messages) that are received or
+sent. SSL_CTX_set_msg_callback_arg() and SSL_set_msg_callback_arg()
+can be used to set argument I<arg> to the callback function, which is
+available for arbitrary application use.
+
+SSL_CTX_set_msg_callback() and SSL_CTX_set_msg_callback_arg() specify
+default settings that will be copied to new B<SSL> objects by
+L<SSL_new(3)|SSL_new(3)>. SSL_set_msg_callback() and
+SSL_set_msg_callback_arg() modify the actual settings of an B<SSL>
+object. Using a B<0> pointer for I<cb> disables the message callback.
+
+When I<cb> is called by the SSL/TLS library for a protocol message,
+the function arguments have the following meaning:
+
+=over 4
+
+=item I<write_p>
+
+This flag is B<0> when a protocol message has been received and B<1>
+when a protocol message has been sent.
+
+=item I<version>
+
+The protocol version according to which the protocol message is
+interpreted by the library. Currently, this is one of
+B<SSL2_VERSION>, B<SSL3_VERSION> and B<TLS1_VERSION> (for SSL 2.0, SSL
+3.0 and TLS 1.0, respectively).
+
+=item I<content_type>
+
+In the case of SSL 2.0, this is always B<0>. In the case of SSL 3.0
+or TLS 1.0, this is one of the B<ContentType> values defined in the
+protocol specification (B<change_cipher_spec(20)>, B<alert(21)>,
+B<handshake(22)>; but never B<application_data(23)> because the
+callback will only be called for protocol messages).
+
+=item I<buf>, I<len>
+
+I<buf> points to a buffer containing the protocol message, which
+consists of I<len> bytes. The buffer is no longer valid after the
+callback function has returned.
+
+=item I<ssl>
+
+The B<SSL> object that received or sent the message.
+
+=item I<arg>
+
+The user-defined argument optionally defined by
+SSL_CTX_set_msg_callback_arg() or SSL_set_msg_callback_arg().
+
+=back
+
+=head1 NOTES
+
+Protocol messages are passed to the callback function after decryption
+and fragment collection where applicable. (Thus record boundaries are
+not visible.)
+
+If processing a received protocol message results in an error,
+the callback function may not be called. For example, the callback
+function will never see messages that are considered too large to be
+processed.
+
+Due to automatic protocol version negotiation, I<version> is not
+necessarily the protocol version used by the sender of the message: If
+a TLS 1.0 ClientHello message is received by an SSL 3.0-only server,
+I<version> will be B<SSL3_VERSION>.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_new(3)|SSL_new(3)>
+
+=head1 HISTORY
+
+SSL_CTX_set_msg_callback(), SSL_CTX_set_msg_callback_arg(),
+SSL_set_msg_callback() and SSL_get_msg_callback_arg() were added in OpenSSL 0.9.7.
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_options.pod b/openssl/doc/ssl/SSL_CTX_set_options.pod
new file mode 100644
index 000000000..eaed19080
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_options.pod
@@ -0,0 +1,244 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_options, SSL_set_options, SSL_CTX_get_options, SSL_get_options - manipulate SSL engine options
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ long SSL_CTX_set_options(SSL_CTX *ctx, long options);
+ long SSL_set_options(SSL *ssl, long options);
+
+ long SSL_CTX_get_options(SSL_CTX *ctx);
+ long SSL_get_options(SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_options() adds the options set via bitmask in B<options> to B<ctx>.
+Options already set before are not cleared!
+
+SSL_set_options() adds the options set via bitmask in B<options> to B<ssl>.
+Options already set before are not cleared!
+
+SSL_CTX_get_options() returns the options set for B<ctx>.
+
+SSL_get_options() returns the options set for B<ssl>.
+
+=head1 NOTES
+
+The behaviour of the SSL library can be changed by setting several options.
+The options are coded as bitmasks and can be combined by a logical B<or>
+operation (|). Options can only be added but can never be reset.
+
+SSL_CTX_set_options() and SSL_set_options() affect the (external)
+protocol behaviour of the SSL library. The (internal) behaviour of
+the API can be changed by using the similar
+L<SSL_CTX_set_mode(3)|SSL_CTX_set_mode(3)> and SSL_set_mode() functions.
+
+During a handshake, the option settings of the SSL object are used. When
+a new SSL object is created from a context using SSL_new(), the current
+option setting is copied. Changes to B<ctx> do not affect already created
+SSL objects. SSL_clear() does not affect the settings.
+
+The following B<bug workaround> options are available:
+
+=over 4
+
+=item SSL_OP_MICROSOFT_SESS_ID_BUG
+
+www.microsoft.com - when talking SSLv2, if session-id reuse is
+performed, the session-id passed back in the server-finished message
+is different from the one decided upon.
+
+=item SSL_OP_NETSCAPE_CHALLENGE_BUG
+
+Netscape-Commerce/1.12, when talking SSLv2, accepts a 32 byte
+challenge but then appears to only use 16 bytes when generating the
+encryption keys. Using 16 bytes is ok but it should be ok to use 32.
+According to the SSLv3 spec, one should use 32 bytes for the challenge
+when operating in SSLv2/v3 compatibility mode, but as mentioned above,
+this breaks this server so 16 bytes is the way to go.
+
+=item SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG
+
+ssl3.netscape.com:443, first a connection is established with RC4-MD5.
+If it is then resumed, we end up using DES-CBC3-SHA. It should be
+RC4-MD5 according to 7.6.1.3, 'cipher_suite'.
+
+Netscape-Enterprise/2.01 (https://merchant.netscape.com) has this bug.
+It only really shows up when connecting via SSLv2/v3 then reconnecting
+via SSLv3. The cipher list changes....
+
+NEW INFORMATION. Try connecting with a cipher list of just
+DES-CBC-SHA:RC4-MD5. For some weird reason, each new connection uses
+RC4-MD5, but a re-connect tries to use DES-CBC-SHA. So netscape, when
+doing a re-connect, always takes the first cipher in the cipher list.
+
+=item SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG
+
+...
+
+=item SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER
+
+...
+
+=item SSL_OP_MSIE_SSLV2_RSA_PADDING
+
+As of OpenSSL 0.9.7h and 0.9.8a, this option has no effect.
+
+=item SSL_OP_SSLEAY_080_CLIENT_DH_BUG
+
+...
+
+=item SSL_OP_TLS_D5_BUG
+
+...
+
+=item SSL_OP_TLS_BLOCK_PADDING_BUG
+
+...
+
+=item SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS
+
+Disables a countermeasure against a SSL 3.0/TLS 1.0 protocol
+vulnerability affecting CBC ciphers, which cannot be handled by some
+broken SSL implementations. This option has no effect for connections
+using other ciphers.
+
+=item SSL_OP_ALL
+
+All of the above bug workarounds.
+
+=back
+
+It is usually safe to use B<SSL_OP_ALL> to enable the bug workaround
+options if compatibility with somewhat broken implementations is
+desired.
+
+The following B<modifying> options are available:
+
+=over 4
+
+=item SSL_OP_TLS_ROLLBACK_BUG
+
+Disable version rollback attack detection.
+
+During the client key exchange, the client must send the same information
+about acceptable SSL/TLS protocol levels as during the first hello. Some
+clients violate this rule by adapting to the server's answer. (Example:
+the client sends a SSLv2 hello and accepts up to SSLv3.1=TLSv1, the server
+only understands up to SSLv3. In this case the client must still use the
+same SSLv3.1=TLSv1 announcement. Some clients step down to SSLv3 with respect
+to the server's answer and violate the version rollback protection.)
+
+=item SSL_OP_SINGLE_DH_USE
+
+Always create a new key when using temporary/ephemeral DH parameters
+(see L<SSL_CTX_set_tmp_dh_callback(3)|SSL_CTX_set_tmp_dh_callback(3)>).
+This option must be used to prevent small subgroup attacks, when
+the DH parameters were not generated using "strong" primes
+(e.g. when using DSA-parameters, see L<dhparam(1)|dhparam(1)>).
+If "strong" primes were used, it is not strictly necessary to generate
+a new DH key during each handshake but it is also recommended.
+B<SSL_OP_SINGLE_DH_USE> should therefore be enabled whenever
+temporary/ephemeral DH parameters are used.
+
+=item SSL_OP_EPHEMERAL_RSA
+
+Always use ephemeral (temporary) RSA key when doing RSA operations
+(see L<SSL_CTX_set_tmp_rsa_callback(3)|SSL_CTX_set_tmp_rsa_callback(3)>).
+According to the specifications this is only done, when a RSA key
+can only be used for signature operations (namely under export ciphers
+with restricted RSA keylength). By setting this option, ephemeral
+RSA keys are always used. This option breaks compatibility with the
+SSL/TLS specifications and may lead to interoperability problems with
+clients and should therefore never be used. Ciphers with EDH (ephemeral
+Diffie-Hellman) key exchange should be used instead.
+
+=item SSL_OP_CIPHER_SERVER_PREFERENCE
+
+When choosing a cipher, use the server's preferences instead of the client
+preferences. When not set, the SSL server will always follow the clients
+preferences. When set, the SSLv3/TLSv1 server will choose following its
+own preferences. Because of the different protocol, for SSLv2 the server
+will send its list of preferences to the client and the client chooses.
+
+=item SSL_OP_PKCS1_CHECK_1
+
+...
+
+=item SSL_OP_PKCS1_CHECK_2
+
+...
+
+=item SSL_OP_NETSCAPE_CA_DN_BUG
+
+If we accept a netscape connection, demand a client cert, have a
+non-self-signed CA which does not have its CA in netscape, and the
+browser has a cert, it will crash/hang. Works for 3.x and 4.xbeta
+
+=item SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG
+
+...
+
+=item SSL_OP_NO_SSLv2
+
+Do not use the SSLv2 protocol.
+
+=item SSL_OP_NO_SSLv3
+
+Do not use the SSLv3 protocol.
+
+=item SSL_OP_NO_TLSv1
+
+Do not use the TLSv1 protocol.
+
+=item SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION
+
+When performing renegotiation as a server, always start a new session
+(i.e., session resumption requests are only accepted in the initial
+handshake). This option is not needed for clients.
+
+=item SSL_OP_NO_TICKET
+
+Normally clients and servers will, where possible, transparently make use
+of RFC4507bis tickets for stateless session resumption if extension support
+is explicitly set when OpenSSL is compiled.
+
+If this option is set this functionality is disabled and tickets will
+not be used by clients or servers.
+
+=back
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_options() and SSL_set_options() return the new options bitmask
+after adding B<options>.
+
+SSL_CTX_get_options() and SSL_get_options() return the current bitmask.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_new(3)|SSL_new(3)>, L<SSL_clear(3)|SSL_clear(3)>,
+L<SSL_CTX_set_tmp_dh_callback(3)|SSL_CTX_set_tmp_dh_callback(3)>,
+L<SSL_CTX_set_tmp_rsa_callback(3)|SSL_CTX_set_tmp_rsa_callback(3)>,
+L<dhparam(1)|dhparam(1)>
+
+=head1 HISTORY
+
+B<SSL_OP_CIPHER_SERVER_PREFERENCE> and
+B<SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION> have been added in
+OpenSSL 0.9.7.
+
+B<SSL_OP_TLS_ROLLBACK_BUG> has been added in OpenSSL 0.9.6 and was automatically
+enabled with B<SSL_OP_ALL>. As of 0.9.7, it is no longer included in B<SSL_OP_ALL>
+and must be explicitly set.
+
+B<SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS> has been added in OpenSSL 0.9.6e.
+Versions up to OpenSSL 0.9.6c do not include the countermeasure that
+can be disabled with this option (in OpenSSL 0.9.6d, it was always
+enabled).
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_quiet_shutdown.pod b/openssl/doc/ssl/SSL_CTX_set_quiet_shutdown.pod
new file mode 100644
index 000000000..393f8ff0b
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_quiet_shutdown.pod
@@ -0,0 +1,63 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_quiet_shutdown, SSL_CTX_get_quiet_shutdown, SSL_set_quiet_shutdown, SSL_get_quiet_shutdown - manipulate shutdown behaviour
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
+ int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
+
+ void SSL_set_quiet_shutdown(SSL *ssl, int mode);
+ int SSL_get_quiet_shutdown(const SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_quiet_shutdown() sets the "quiet shutdown" flag for B<ctx> to be
+B<mode>. SSL objects created from B<ctx> inherit the B<mode> valid at the time
+L<SSL_new(3)|SSL_new(3)> is called. B<mode> may be 0 or 1.
+
+SSL_CTX_get_quiet_shutdown() returns the "quiet shutdown" setting of B<ctx>.
+
+SSL_set_quiet_shutdown() sets the "quiet shutdown" flag for B<ssl> to be
+B<mode>. The setting stays valid until B<ssl> is removed with
+L<SSL_free(3)|SSL_free(3)> or SSL_set_quiet_shutdown() is called again.
+It is not changed when L<SSL_clear(3)|SSL_clear(3)> is called.
+B<mode> may be 0 or 1.
+
+SSL_get_quiet_shutdown() returns the "quiet shutdown" setting of B<ssl>.
+
+=head1 NOTES
+
+Normally when a SSL connection is finished, the parties must send out
+"close notify" alert messages using L<SSL_shutdown(3)|SSL_shutdown(3)>
+for a clean shutdown.
+
+When setting the "quiet shutdown" flag to 1, L<SSL_shutdown(3)|SSL_shutdown(3)>
+will set the internal flags to SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.
+(L<SSL_shutdown(3)|SSL_shutdown(3)> then behaves like
+L<SSL_set_shutdown(3)|SSL_set_shutdown(3)> called with
+SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.)
+The session is thus considered to be shutdown, but no "close notify" alert
+is sent to the peer. This behaviour violates the TLS standard.
+
+The default is normal shutdown behaviour as described by the TLS standard.
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_quiet_shutdown() and SSL_set_quiet_shutdown() do not return
+diagnostic information.
+
+SSL_CTX_get_quiet_shutdown() and SSL_get_quiet_shutdown return the current
+setting.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_shutdown(3)|SSL_shutdown(3)>,
+L<SSL_set_shutdown(3)|SSL_set_shutdown(3)>, L<SSL_new(3)|SSL_new(3)>,
+L<SSL_clear(3)|SSL_clear(3)>, L<SSL_free(3)|SSL_free(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_session_cache_mode.pod b/openssl/doc/ssl/SSL_CTX_set_session_cache_mode.pod
new file mode 100644
index 000000000..c5d2f43df
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_session_cache_mode.pod
@@ -0,0 +1,137 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_session_cache_mode, SSL_CTX_get_session_cache_mode - enable/disable session caching
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ long SSL_CTX_set_session_cache_mode(SSL_CTX ctx, long mode);
+ long SSL_CTX_get_session_cache_mode(SSL_CTX ctx);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_session_cache_mode() enables/disables session caching
+by setting the operational mode for B<ctx> to <mode>.
+
+SSL_CTX_get_session_cache_mode() returns the currently used cache mode.
+
+=head1 NOTES
+
+The OpenSSL library can store/retrieve SSL/TLS sessions for later reuse.
+The sessions can be held in memory for each B<ctx>, if more than one
+SSL_CTX object is being maintained, the sessions are unique for each SSL_CTX
+object.
+
+In order to reuse a session, a client must send the session's id to the
+server. It can only send exactly one id. The server then either
+agrees to reuse the session or it starts a full handshake (to create a new
+session).
+
+A server will lookup up the session in its internal session storage. If the
+session is not found in internal storage or lookups for the internal storage
+have been deactivated (SSL_SESS_CACHE_NO_INTERNAL_LOOKUP), the server will try
+the external storage if available.
+
+Since a client may try to reuse a session intended for use in a different
+context, the session id context must be set by the server (see
+L<SSL_CTX_set_session_id_context(3)|SSL_CTX_set_session_id_context(3)>).
+
+The following session cache modes and modifiers are available:
+
+=over 4
+
+=item SSL_SESS_CACHE_OFF
+
+No session caching for client or server takes place.
+
+=item SSL_SESS_CACHE_CLIENT
+
+Client sessions are added to the session cache. As there is no reliable way
+for the OpenSSL library to know whether a session should be reused or which
+session to choose (due to the abstract BIO layer the SSL engine does not
+have details about the connection), the application must select the session
+to be reused by using the L<SSL_set_session(3)|SSL_set_session(3)>
+function. This option is not activated by default.
+
+=item SSL_SESS_CACHE_SERVER
+
+Server sessions are added to the session cache. When a client proposes a
+session to be reused, the server looks for the corresponding session in (first)
+the internal session cache (unless SSL_SESS_CACHE_NO_INTERNAL_LOOKUP is set),
+then (second) in the external cache if available. If the session is found, the
+server will try to reuse the session. This is the default.
+
+=item SSL_SESS_CACHE_BOTH
+
+Enable both SSL_SESS_CACHE_CLIENT and SSL_SESS_CACHE_SERVER at the same time.
+
+=item SSL_SESS_CACHE_NO_AUTO_CLEAR
+
+Normally the session cache is checked for expired sessions every
+255 connections using the
+L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)> function. Since
+this may lead to a delay which cannot be controlled, the automatic
+flushing may be disabled and
+L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)> can be called
+explicitly by the application.
+
+=item SSL_SESS_CACHE_NO_INTERNAL_LOOKUP
+
+By setting this flag, session-resume operations in an SSL/TLS server will not
+automatically look up sessions in the internal cache, even if sessions are
+automatically stored there. If external session caching callbacks are in use,
+this flag guarantees that all lookups are directed to the external cache.
+As automatic lookup only applies for SSL/TLS servers, the flag has no effect on
+clients.
+
+=item SSL_SESS_CACHE_NO_INTERNAL_STORE
+
+Depending on the presence of SSL_SESS_CACHE_CLIENT and/or SSL_SESS_CACHE_SERVER,
+sessions negotiated in an SSL/TLS handshake may be cached for possible reuse.
+Normally a new session is added to the internal cache as well as any external
+session caching (callback) that is configured for the SSL_CTX. This flag will
+prevent sessions being stored in the internal cache (though the application can
+add them manually using L<SSL_CTX_add_session(3)|SSL_CTX_add_session(3)>). Note:
+in any SSL/TLS servers where external caching is configured, any successful
+session lookups in the external cache (ie. for session-resume requests) would
+normally be copied into the local cache before processing continues - this flag
+prevents these additions to the internal cache as well.
+
+=item SSL_SESS_CACHE_NO_INTERNAL
+
+Enable both SSL_SESS_CACHE_NO_INTERNAL_LOOKUP and
+SSL_SESS_CACHE_NO_INTERNAL_STORE at the same time.
+
+
+=back
+
+The default mode is SSL_SESS_CACHE_SERVER.
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_session_cache_mode() returns the previously set cache mode.
+
+SSL_CTX_get_session_cache_mode() returns the currently set cache mode.
+
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_set_session(3)|SSL_set_session(3)>,
+L<SSL_session_reused(3)|SSL_session_reused(3)>,
+L<SSL_CTX_add_session(3)|SSL_CTX_add_session(3)>,
+L<SSL_CTX_sess_number(3)|SSL_CTX_sess_number(3)>,
+L<SSL_CTX_sess_set_cache_size(3)|SSL_CTX_sess_set_cache_size(3)>,
+L<SSL_CTX_sess_set_get_cb(3)|SSL_CTX_sess_set_get_cb(3)>,
+L<SSL_CTX_set_session_id_context(3)|SSL_CTX_set_session_id_context(3)>,
+L<SSL_CTX_set_timeout(3)|SSL_CTX_set_timeout(3)>,
+L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)>
+
+=head1 HISTORY
+
+SSL_SESS_CACHE_NO_INTERNAL_STORE and SSL_SESS_CACHE_NO_INTERNAL
+were introduced in OpenSSL 0.9.6h.
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_session_id_context.pod b/openssl/doc/ssl/SSL_CTX_set_session_id_context.pod
new file mode 100644
index 000000000..58fc68550
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_session_id_context.pod
@@ -0,0 +1,83 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_session_id_context, SSL_set_session_id_context - set context within which session can be reused (server side only)
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx,
+ unsigned int sid_ctx_len);
+ int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
+ unsigned int sid_ctx_len);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_session_id_context() sets the context B<sid_ctx> of length
+B<sid_ctx_len> within which a session can be reused for the B<ctx> object.
+
+SSL_set_session_id_context() sets the context B<sid_ctx> of length
+B<sid_ctx_len> within which a session can be reused for the B<ssl> object.
+
+=head1 NOTES
+
+Sessions are generated within a certain context. When exporting/importing
+sessions with B<i2d_SSL_SESSION>/B<d2i_SSL_SESSION> it would be possible,
+to re-import a session generated from another context (e.g. another
+application), which might lead to malfunctions. Therefore each application
+must set its own session id context B<sid_ctx> which is used to distinguish
+the contexts and is stored in exported sessions. The B<sid_ctx> can be
+any kind of binary data with a given length, it is therefore possible
+to use e.g. the name of the application and/or the hostname and/or service
+name ...
+
+The session id context becomes part of the session. The session id context
+is set by the SSL/TLS server. The SSL_CTX_set_session_id_context() and
+SSL_set_session_id_context() functions are therefore only useful on the
+server side.
+
+OpenSSL clients will check the session id context returned by the server
+when reusing a session.
+
+The maximum length of the B<sid_ctx> is limited to
+B<SSL_MAX_SSL_SESSION_ID_LENGTH>.
+
+=head1 WARNINGS
+
+If the session id context is not set on an SSL/TLS server and client
+certificates are used, stored sessions
+will not be reused but a fatal error will be flagged and the handshake
+will fail.
+
+If a server returns a different session id context to an OpenSSL client
+when reusing a session, an error will be flagged and the handshake will
+fail. OpenSSL servers will always return the correct session id context,
+as an OpenSSL server checks the session id context itself before reusing
+a session as described above.
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_session_id_context() and SSL_set_session_id_context()
+return the following values:
+
+=over 4
+
+=item 0
+
+The length B<sid_ctx_len> of the session id context B<sid_ctx> exceeded
+the maximum allowed length of B<SSL_MAX_SSL_SESSION_ID_LENGTH>. The error
+is logged to the error stack.
+
+=item 1
+
+The operation succeeded.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_ssl_version.pod b/openssl/doc/ssl/SSL_CTX_set_ssl_version.pod
new file mode 100644
index 000000000..002018096
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_ssl_version.pod
@@ -0,0 +1,61 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_ssl_version, SSL_set_ssl_method, SSL_get_ssl_method
+- choose a new TLS/SSL method
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_CTX_set_ssl_version(SSL_CTX *ctx, SSL_METHOD *method);
+ int SSL_set_ssl_method(SSL *s, SSL_METHOD *method);
+ SSL_METHOD *SSL_get_ssl_method(SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_ssl_version() sets a new default TLS/SSL B<method> for SSL objects
+newly created from this B<ctx>. SSL objects already created with
+L<SSL_new(3)|SSL_new(3)> are not affected, except when
+L<SSL_clear(3)|SSL_clear(3)> is being called.
+
+SSL_set_ssl_method() sets a new TLS/SSL B<method> for a particular B<ssl>
+object. It may be reset, when SSL_clear() is called.
+
+SSL_get_ssl_method() returns a function pointer to the TLS/SSL method
+set in B<ssl>.
+
+=head1 NOTES
+
+The available B<method> choices are described in
+L<SSL_CTX_new(3)|SSL_CTX_new(3)>.
+
+When L<SSL_clear(3)|SSL_clear(3)> is called and no session is connected to
+an SSL object, the method of the SSL object is reset to the method currently
+set in the corresponding SSL_CTX object.
+
+=head1 RETURN VALUES
+
+The following return values can occur for SSL_CTX_set_ssl_version()
+and SSL_set_ssl_method():
+
+=over 4
+
+=item 0
+
+The new choice failed, check the error stack to find out the reason.
+
+=item 1
+
+The operation succeeded.
+
+=back
+
+=head1 SEE ALSO
+
+L<SSL_CTX_new(3)|SSL_CTX_new(3)>, L<SSL_new(3)|SSL_new(3)>,
+L<SSL_clear(3)|SSL_clear(3)>, L<ssl(3)|ssl(3)>,
+L<SSL_set_connect_state(3)|SSL_set_connect_state(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_timeout.pod b/openssl/doc/ssl/SSL_CTX_set_timeout.pod
new file mode 100644
index 000000000..e3de27c47
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_timeout.pod
@@ -0,0 +1,59 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_timeout, SSL_CTX_get_timeout - manipulate timeout values for session caching
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ long SSL_CTX_set_timeout(SSL_CTX *ctx, long t);
+ long SSL_CTX_get_timeout(SSL_CTX *ctx);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_timeout() sets the timeout for newly created sessions for
+B<ctx> to B<t>. The timeout value B<t> must be given in seconds.
+
+SSL_CTX_get_timeout() returns the currently set timeout value for B<ctx>.
+
+=head1 NOTES
+
+Whenever a new session is created, it is assigned a maximum lifetime. This
+lifetime is specified by storing the creation time of the session and the
+timeout value valid at this time. If the actual time is later than creation
+time plus timeout, the session is not reused.
+
+Due to this realization, all sessions behave according to the timeout value
+valid at the time of the session negotiation. Changes of the timeout value
+do not affect already established sessions.
+
+The expiration time of a single session can be modified using the
+L<SSL_SESSION_get_time(3)|SSL_SESSION_get_time(3)> family of functions.
+
+Expired sessions are removed from the internal session cache, whenever
+L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)> is called, either
+directly by the application or automatically (see
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>)
+
+The default value for session timeout is decided on a per protocol
+basis, see L<SSL_get_default_timeout(3)|SSL_get_default_timeout(3)>.
+All currently supported protocols have the same default timeout value
+of 300 seconds.
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_timeout() returns the previously set timeout value.
+
+SSL_CTX_get_timeout() returns the currently set timeout value.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>,
+L<SSL_SESSION_get_time(3)|SSL_SESSION_get_time(3)>,
+L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)>,
+L<SSL_get_default_timeout(3)|SSL_get_default_timeout(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_tmp_dh_callback.pod b/openssl/doc/ssl/SSL_CTX_set_tmp_dh_callback.pod
new file mode 100644
index 000000000..29d1f8a6f
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_tmp_dh_callback.pod
@@ -0,0 +1,170 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_tmp_dh_callback, SSL_CTX_set_tmp_dh, SSL_set_tmp_dh_callback, SSL_set_tmp_dh - handle DH keys for ephemeral key exchange
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
+ DH *(*tmp_dh_callback)(SSL *ssl, int is_export, int keylength));
+ long SSL_CTX_set_tmp_dh(SSL_CTX *ctx, DH *dh);
+
+ void SSL_set_tmp_dh_callback(SSL_CTX *ctx,
+ DH *(*tmp_dh_callback)(SSL *ssl, int is_export, int keylength));
+ long SSL_set_tmp_dh(SSL *ssl, DH *dh)
+
+ DH *(*tmp_dh_callback)(SSL *ssl, int is_export, int keylength));
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_tmp_dh_callback() sets the callback function for B<ctx> to be
+used when a DH parameters are required to B<tmp_dh_callback>.
+The callback is inherited by all B<ssl> objects created from B<ctx>.
+
+SSL_CTX_set_tmp_dh() sets DH parameters to be used to be B<dh>.
+The key is inherited by all B<ssl> objects created from B<ctx>.
+
+SSL_set_tmp_dh_callback() sets the callback only for B<ssl>.
+
+SSL_set_tmp_dh() sets the parameters only for B<ssl>.
+
+These functions apply to SSL/TLS servers only.
+
+=head1 NOTES
+
+When using a cipher with RSA authentication, an ephemeral DH key exchange
+can take place. Ciphers with DSA keys always use ephemeral DH keys as well.
+In these cases, the session data are negotiated using the
+ephemeral/temporary DH key and the key supplied and certified
+by the certificate chain is only used for signing.
+Anonymous ciphers (without a permanent server key) also use ephemeral DH keys.
+
+Using ephemeral DH key exchange yields forward secrecy, as the connection
+can only be decrypted, when the DH key is known. By generating a temporary
+DH key inside the server application that is lost when the application
+is left, it becomes impossible for an attacker to decrypt past sessions,
+even if he gets hold of the normal (certified) key, as this key was
+only used for signing.
+
+In order to perform a DH key exchange the server must use a DH group
+(DH parameters) and generate a DH key. The server will always generate a new
+DH key during the negotiation, when the DH parameters are supplied via
+callback and/or when the SSL_OP_SINGLE_DH_USE option of
+L<SSL_CTX_set_options(3)|SSL_CTX_set_options(3)> is set. It will
+immediately create a DH key, when DH parameters are supplied via
+SSL_CTX_set_tmp_dh() and SSL_OP_SINGLE_DH_USE is not set. In this case,
+it may happen that a key is generated on initialization without later
+being needed, while on the other hand the computer time during the
+negotiation is being saved.
+
+If "strong" primes were used to generate the DH parameters, it is not strictly
+necessary to generate a new key for each handshake but it does improve forward
+secrecy. If it is not assured, that "strong" primes were used (see especially
+the section about DSA parameters below), SSL_OP_SINGLE_DH_USE must be used
+in order to prevent small subgroup attacks. Always using SSL_OP_SINGLE_DH_USE
+has an impact on the computer time needed during negotiation, but it is not
+very large, so application authors/users should consider to always enable
+this option.
+
+As generating DH parameters is extremely time consuming, an application
+should not generate the parameters on the fly but supply the parameters.
+DH parameters can be reused, as the actual key is newly generated during
+the negotiation. The risk in reusing DH parameters is that an attacker
+may specialize on a very often used DH group. Applications should therefore
+generate their own DH parameters during the installation process using the
+openssl L<dhparam(1)|dhparam(1)> application. In order to reduce the computer
+time needed for this generation, it is possible to use DSA parameters
+instead (see L<dhparam(1)|dhparam(1)>), but in this case SSL_OP_SINGLE_DH_USE
+is mandatory.
+
+Application authors may compile in DH parameters. Files dh512.pem,
+dh1024.pem, dh2048.pem, and dh4096 in the 'apps' directory of current
+version of the OpenSSL distribution contain the 'SKIP' DH parameters,
+which use safe primes and were generated verifiably pseudo-randomly.
+These files can be converted into C code using the B<-C> option of the
+L<dhparam(1)|dhparam(1)> application.
+Authors may also generate their own set of parameters using
+L<dhparam(1)|dhparam(1)>, but a user may not be sure how the parameters were
+generated. The generation of DH parameters during installation is therefore
+recommended.
+
+An application may either directly specify the DH parameters or
+can supply the DH parameters via a callback function. The callback approach
+has the advantage, that the callback may supply DH parameters for different
+key lengths.
+
+The B<tmp_dh_callback> is called with the B<keylength> needed and
+the B<is_export> information. The B<is_export> flag is set, when the
+ephemeral DH key exchange is performed with an export cipher.
+
+=head1 EXAMPLES
+
+Handle DH parameters for key lengths of 512 and 1024 bits. (Error handling
+partly left out.)
+
+ ...
+ /* Set up ephemeral DH stuff */
+ DH *dh_512 = NULL;
+ DH *dh_1024 = NULL;
+ FILE *paramfile;
+
+ ...
+ /* "openssl dhparam -out dh_param_512.pem -2 512" */
+ paramfile = fopen("dh_param_512.pem", "r");
+ if (paramfile) {
+ dh_512 = PEM_read_DHparams(paramfile, NULL, NULL, NULL);
+ fclose(paramfile);
+ }
+ /* "openssl dhparam -out dh_param_1024.pem -2 1024" */
+ paramfile = fopen("dh_param_1024.pem", "r");
+ if (paramfile) {
+ dh_1024 = PEM_read_DHparams(paramfile, NULL, NULL, NULL);
+ fclose(paramfile);
+ }
+ ...
+
+ /* "openssl dhparam -C -2 512" etc... */
+ DH *get_dh512() { ... }
+ DH *get_dh1024() { ... }
+
+ DH *tmp_dh_callback(SSL *s, int is_export, int keylength)
+ {
+ DH *dh_tmp=NULL;
+
+ switch (keylength) {
+ case 512:
+ if (!dh_512)
+ dh_512 = get_dh512();
+ dh_tmp = dh_512;
+ break;
+ case 1024:
+ if (!dh_1024)
+ dh_1024 = get_dh1024();
+ dh_tmp = dh_1024;
+ break;
+ default:
+ /* Generating a key on the fly is very costly, so use what is there */
+ setup_dh_parameters_like_above();
+ }
+ return(dh_tmp);
+ }
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_tmp_dh_callback() and SSL_set_tmp_dh_callback() do not return
+diagnostic output.
+
+SSL_CTX_set_tmp_dh() and SSL_set_tmp_dh() do return 1 on success and 0
+on failure. Check the error queue to find out the reason of failure.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_CTX_set_cipher_list(3)|SSL_CTX_set_cipher_list(3)>,
+L<SSL_CTX_set_tmp_rsa_callback(3)|SSL_CTX_set_tmp_rsa_callback(3)>,
+L<SSL_CTX_set_options(3)|SSL_CTX_set_options(3)>,
+L<ciphers(1)|ciphers(1)>, L<dhparam(1)|dhparam(1)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_tmp_rsa_callback.pod b/openssl/doc/ssl/SSL_CTX_set_tmp_rsa_callback.pod
new file mode 100644
index 000000000..534643cd9
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_tmp_rsa_callback.pod
@@ -0,0 +1,166 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_tmp_rsa_callback, SSL_CTX_set_tmp_rsa, SSL_CTX_need_tmp_rsa, SSL_set_tmp_rsa_callback, SSL_set_tmp_rsa, SSL_need_tmp_rsa - handle RSA keys for ephemeral key exchange
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,
+ RSA *(*tmp_rsa_callback)(SSL *ssl, int is_export, int keylength));
+ long SSL_CTX_set_tmp_rsa(SSL_CTX *ctx, RSA *rsa);
+ long SSL_CTX_need_tmp_rsa(SSL_CTX *ctx);
+
+ void SSL_set_tmp_rsa_callback(SSL_CTX *ctx,
+ RSA *(*tmp_rsa_callback)(SSL *ssl, int is_export, int keylength));
+ long SSL_set_tmp_rsa(SSL *ssl, RSA *rsa)
+ long SSL_need_tmp_rsa(SSL *ssl)
+
+ RSA *(*tmp_rsa_callback)(SSL *ssl, int is_export, int keylength);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_tmp_rsa_callback() sets the callback function for B<ctx> to be
+used when a temporary/ephemeral RSA key is required to B<tmp_rsa_callback>.
+The callback is inherited by all SSL objects newly created from B<ctx>
+with <SSL_new(3)|SSL_new(3)>. Already created SSL objects are not affected.
+
+SSL_CTX_set_tmp_rsa() sets the temporary/ephemeral RSA key to be used to be
+B<rsa>. The key is inherited by all SSL objects newly created from B<ctx>
+with <SSL_new(3)|SSL_new(3)>. Already created SSL objects are not affected.
+
+SSL_CTX_need_tmp_rsa() returns 1, if a temporary/ephemeral RSA key is needed
+for RSA-based strength-limited 'exportable' ciphersuites because a RSA key
+with a keysize larger than 512 bits is installed.
+
+SSL_set_tmp_rsa_callback() sets the callback only for B<ssl>.
+
+SSL_set_tmp_rsa() sets the key only for B<ssl>.
+
+SSL_need_tmp_rsa() returns 1, if a temporary/ephemeral RSA key is needed,
+for RSA-based strength-limited 'exportable' ciphersuites because a RSA key
+with a keysize larger than 512 bits is installed.
+
+These functions apply to SSL/TLS servers only.
+
+=head1 NOTES
+
+When using a cipher with RSA authentication, an ephemeral RSA key exchange
+can take place. In this case the session data are negotiated using the
+ephemeral/temporary RSA key and the RSA key supplied and certified
+by the certificate chain is only used for signing.
+
+Under previous export restrictions, ciphers with RSA keys shorter (512 bits)
+than the usual key length of 1024 bits were created. To use these ciphers
+with RSA keys of usual length, an ephemeral key exchange must be performed,
+as the normal (certified) key cannot be directly used.
+
+Using ephemeral RSA key exchange yields forward secrecy, as the connection
+can only be decrypted, when the RSA key is known. By generating a temporary
+RSA key inside the server application that is lost when the application
+is left, it becomes impossible for an attacker to decrypt past sessions,
+even if he gets hold of the normal (certified) RSA key, as this key was
+used for signing only. The downside is that creating a RSA key is
+computationally expensive.
+
+Additionally, the use of ephemeral RSA key exchange is only allowed in
+the TLS standard, when the RSA key can be used for signing only, that is
+for export ciphers. Using ephemeral RSA key exchange for other purposes
+violates the standard and can break interoperability with clients.
+It is therefore strongly recommended to not use ephemeral RSA key
+exchange and use EDH (Ephemeral Diffie-Hellman) key exchange instead
+in order to achieve forward secrecy (see
+L<SSL_CTX_set_tmp_dh_callback(3)|SSL_CTX_set_tmp_dh_callback(3)>).
+
+On OpenSSL servers ephemeral RSA key exchange is therefore disabled by default
+and must be explicitly enabled using the SSL_OP_EPHEMERAL_RSA option of
+L<SSL_CTX_set_options(3)|SSL_CTX_set_options(3)>, violating the TLS/SSL
+standard. When ephemeral RSA key exchange is required for export ciphers,
+it will automatically be used without this option!
+
+An application may either directly specify the key or can supply the key via
+a callback function. The callback approach has the advantage, that the
+callback may generate the key only in case it is actually needed. As the
+generation of a RSA key is however costly, it will lead to a significant
+delay in the handshake procedure. Another advantage of the callback function
+is that it can supply keys of different size (e.g. for SSL_OP_EPHEMERAL_RSA
+usage) while the explicit setting of the key is only useful for key size of
+512 bits to satisfy the export restricted ciphers and does give away key length
+if a longer key would be allowed.
+
+The B<tmp_rsa_callback> is called with the B<keylength> needed and
+the B<is_export> information. The B<is_export> flag is set, when the
+ephemeral RSA key exchange is performed with an export cipher.
+
+=head1 EXAMPLES
+
+Generate temporary RSA keys to prepare ephemeral RSA key exchange. As the
+generation of a RSA key costs a lot of computer time, they saved for later
+reuse. For demonstration purposes, two keys for 512 bits and 1024 bits
+respectively are generated.
+
+ ...
+ /* Set up ephemeral RSA stuff */
+ RSA *rsa_512 = NULL;
+ RSA *rsa_1024 = NULL;
+
+ rsa_512 = RSA_generate_key(512,RSA_F4,NULL,NULL);
+ if (rsa_512 == NULL)
+ evaluate_error_queue();
+
+ rsa_1024 = RSA_generate_key(1024,RSA_F4,NULL,NULL);
+ if (rsa_1024 == NULL)
+ evaluate_error_queue();
+
+ ...
+
+ RSA *tmp_rsa_callback(SSL *s, int is_export, int keylength)
+ {
+ RSA *rsa_tmp=NULL;
+
+ switch (keylength) {
+ case 512:
+ if (rsa_512)
+ rsa_tmp = rsa_512;
+ else { /* generate on the fly, should not happen in this example */
+ rsa_tmp = RSA_generate_key(keylength,RSA_F4,NULL,NULL);
+ rsa_512 = rsa_tmp; /* Remember for later reuse */
+ }
+ break;
+ case 1024:
+ if (rsa_1024)
+ rsa_tmp=rsa_1024;
+ else
+ should_not_happen_in_this_example();
+ break;
+ default:
+ /* Generating a key on the fly is very costly, so use what is there */
+ if (rsa_1024)
+ rsa_tmp=rsa_1024;
+ else
+ rsa_tmp=rsa_512; /* Use at least a shorter key */
+ }
+ return(rsa_tmp);
+ }
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_tmp_rsa_callback() and SSL_set_tmp_rsa_callback() do not return
+diagnostic output.
+
+SSL_CTX_set_tmp_rsa() and SSL_set_tmp_rsa() do return 1 on success and 0
+on failure. Check the error queue to find out the reason of failure.
+
+SSL_CTX_need_tmp_rsa() and SSL_need_tmp_rsa() return 1 if a temporary
+RSA key is needed and 0 otherwise.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_CTX_set_cipher_list(3)|SSL_CTX_set_cipher_list(3)>,
+L<SSL_CTX_set_options(3)|SSL_CTX_set_options(3)>,
+L<SSL_CTX_set_tmp_dh_callback(3)|SSL_CTX_set_tmp_dh_callback(3)>,
+L<SSL_new(3)|SSL_new(3)>, L<ciphers(1)|ciphers(1)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_set_verify.pod b/openssl/doc/ssl/SSL_CTX_set_verify.pod
new file mode 100644
index 000000000..81566839d
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_set_verify.pod
@@ -0,0 +1,294 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_set_verify, SSL_set_verify, SSL_CTX_set_verify_depth, SSL_set_verify_depth - set peer certificate verification parameters
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_CTX_set_verify(SSL_CTX *ctx, int mode,
+ int (*verify_callback)(int, X509_STORE_CTX *));
+ void SSL_set_verify(SSL *s, int mode,
+ int (*verify_callback)(int, X509_STORE_CTX *));
+ void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth);
+ void SSL_set_verify_depth(SSL *s, int depth);
+
+ int verify_callback(int preverify_ok, X509_STORE_CTX *x509_ctx);
+
+=head1 DESCRIPTION
+
+SSL_CTX_set_verify() sets the verification flags for B<ctx> to be B<mode> and
+specifies the B<verify_callback> function to be used. If no callback function
+shall be specified, the NULL pointer can be used for B<verify_callback>.
+
+SSL_set_verify() sets the verification flags for B<ssl> to be B<mode> and
+specifies the B<verify_callback> function to be used. If no callback function
+shall be specified, the NULL pointer can be used for B<verify_callback>. In
+this case last B<verify_callback> set specifically for this B<ssl> remains. If
+no special B<callback> was set before, the default callback for the underlying
+B<ctx> is used, that was valid at the time B<ssl> was created with
+L<SSL_new(3)|SSL_new(3)>.
+
+SSL_CTX_set_verify_depth() sets the maximum B<depth> for the certificate chain
+verification that shall be allowed for B<ctx>. (See the BUGS section.)
+
+SSL_set_verify_depth() sets the maximum B<depth> for the certificate chain
+verification that shall be allowed for B<ssl>. (See the BUGS section.)
+
+=head1 NOTES
+
+The verification of certificates can be controlled by a set of logically
+or'ed B<mode> flags:
+
+=over 4
+
+=item SSL_VERIFY_NONE
+
+B<Server mode:> the server will not send a client certificate request to the
+client, so the client will not send a certificate.
+
+B<Client mode:> if not using an anonymous cipher (by default disabled), the
+server will send a certificate which will be checked. The result of the
+certificate verification process can be checked after the TLS/SSL handshake
+using the L<SSL_get_verify_result(3)|SSL_get_verify_result(3)> function.
+The handshake will be continued regardless of the verification result.
+
+=item SSL_VERIFY_PEER
+
+B<Server mode:> the server sends a client certificate request to the client.
+The certificate returned (if any) is checked. If the verification process
+fails, the TLS/SSL handshake is
+immediately terminated with an alert message containing the reason for
+the verification failure.
+The behaviour can be controlled by the additional
+SSL_VERIFY_FAIL_IF_NO_PEER_CERT and SSL_VERIFY_CLIENT_ONCE flags.
+
+B<Client mode:> the server certificate is verified. If the verification process
+fails, the TLS/SSL handshake is
+immediately terminated with an alert message containing the reason for
+the verification failure. If no server certificate is sent, because an
+anonymous cipher is used, SSL_VERIFY_PEER is ignored.
+
+=item SSL_VERIFY_FAIL_IF_NO_PEER_CERT
+
+B<Server mode:> if the client did not return a certificate, the TLS/SSL
+handshake is immediately terminated with a "handshake failure" alert.
+This flag must be used together with SSL_VERIFY_PEER.
+
+B<Client mode:> ignored
+
+=item SSL_VERIFY_CLIENT_ONCE
+
+B<Server mode:> only request a client certificate on the initial TLS/SSL
+handshake. Do not ask for a client certificate again in case of a
+renegotiation. This flag must be used together with SSL_VERIFY_PEER.
+
+B<Client mode:> ignored
+
+=back
+
+Exactly one of the B<mode> flags SSL_VERIFY_NONE and SSL_VERIFY_PEER must be
+set at any time.
+
+The actual verification procedure is performed either using the built-in
+verification procedure or using another application provided verification
+function set with
+L<SSL_CTX_set_cert_verify_callback(3)|SSL_CTX_set_cert_verify_callback(3)>.
+The following descriptions apply in the case of the built-in procedure. An
+application provided procedure also has access to the verify depth information
+and the verify_callback() function, but the way this information is used
+may be different.
+
+SSL_CTX_set_verify_depth() and SSL_set_verify_depth() set the limit up
+to which depth certificates in a chain are used during the verification
+procedure. If the certificate chain is longer than allowed, the certificates
+above the limit are ignored. Error messages are generated as if these
+certificates would not be present, most likely a
+X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY will be issued.
+The depth count is "level 0:peer certificate", "level 1: CA certificate",
+"level 2: higher level CA certificate", and so on. Setting the maximum
+depth to 2 allows the levels 0, 1, and 2. The default depth limit is 9,
+allowing for the peer certificate and additional 9 CA certificates.
+
+The B<verify_callback> function is used to control the behaviour when the
+SSL_VERIFY_PEER flag is set. It must be supplied by the application and
+receives two arguments: B<preverify_ok> indicates, whether the verification of
+the certificate in question was passed (preverify_ok=1) or not
+(preverify_ok=0). B<x509_ctx> is a pointer to the complete context used
+for the certificate chain verification.
+
+The certificate chain is checked starting with the deepest nesting level
+(the root CA certificate) and worked upward to the peer's certificate.
+At each level signatures and issuer attributes are checked. Whenever
+a verification error is found, the error number is stored in B<x509_ctx>
+and B<verify_callback> is called with B<preverify_ok>=0. By applying
+X509_CTX_store_* functions B<verify_callback> can locate the certificate
+in question and perform additional steps (see EXAMPLES). If no error is
+found for a certificate, B<verify_callback> is called with B<preverify_ok>=1
+before advancing to the next level.
+
+The return value of B<verify_callback> controls the strategy of the further
+verification process. If B<verify_callback> returns 0, the verification
+process is immediately stopped with "verification failed" state. If
+SSL_VERIFY_PEER is set, a verification failure alert is sent to the peer and
+the TLS/SSL handshake is terminated. If B<verify_callback> returns 1,
+the verification process is continued. If B<verify_callback> always returns
+1, the TLS/SSL handshake will not be terminated with respect to verification
+failures and the connection will be established. The calling process can
+however retrieve the error code of the last verification error using
+L<SSL_get_verify_result(3)|SSL_get_verify_result(3)> or by maintaining its
+own error storage managed by B<verify_callback>.
+
+If no B<verify_callback> is specified, the default callback will be used.
+Its return value is identical to B<preverify_ok>, so that any verification
+failure will lead to a termination of the TLS/SSL handshake with an
+alert message, if SSL_VERIFY_PEER is set.
+
+=head1 BUGS
+
+In client mode, it is not checked whether the SSL_VERIFY_PEER flag
+is set, but whether SSL_VERIFY_NONE is not set. This can lead to
+unexpected behaviour, if the SSL_VERIFY_PEER and SSL_VERIFY_NONE are not
+used as required (exactly one must be set at any time).
+
+The certificate verification depth set with SSL[_CTX]_verify_depth()
+stops the verification at a certain depth. The error message produced
+will be that of an incomplete certificate chain and not
+X509_V_ERR_CERT_CHAIN_TOO_LONG as may be expected.
+
+=head1 RETURN VALUES
+
+The SSL*_set_verify*() functions do not provide diagnostic information.
+
+=head1 EXAMPLES
+
+The following code sequence realizes an example B<verify_callback> function
+that will always continue the TLS/SSL handshake regardless of verification
+failure, if wished. The callback realizes a verification depth limit with
+more informational output.
+
+All verification errors are printed, informations about the certificate chain
+are printed on request.
+The example is realized for a server that does allow but not require client
+certificates.
+
+The example makes use of the ex_data technique to store application data
+into/retrieve application data from the SSL structure
+(see L<SSL_get_ex_new_index(3)|SSL_get_ex_new_index(3)>,
+L<SSL_get_ex_data_X509_STORE_CTX_idx(3)|SSL_get_ex_data_X509_STORE_CTX_idx(3)>).
+
+ ...
+ typedef struct {
+ int verbose_mode;
+ int verify_depth;
+ int always_continue;
+ } mydata_t;
+ int mydata_index;
+ ...
+ static int verify_callback(int preverify_ok, X509_STORE_CTX *ctx)
+ {
+ char buf[256];
+ X509 *err_cert;
+ int err, depth;
+ SSL *ssl;
+ mydata_t *mydata;
+
+ err_cert = X509_STORE_CTX_get_current_cert(ctx);
+ err = X509_STORE_CTX_get_error(ctx);
+ depth = X509_STORE_CTX_get_error_depth(ctx);
+
+ /*
+ * Retrieve the pointer to the SSL of the connection currently treated
+ * and the application specific data stored into the SSL object.
+ */
+ ssl = X509_STORE_CTX_get_ex_data(ctx, SSL_get_ex_data_X509_STORE_CTX_idx());
+ mydata = SSL_get_ex_data(ssl, mydata_index);
+
+ X509_NAME_oneline(X509_get_subject_name(err_cert), buf, 256);
+
+ /*
+ * Catch a too long certificate chain. The depth limit set using
+ * SSL_CTX_set_verify_depth() is by purpose set to "limit+1" so
+ * that whenever the "depth>verify_depth" condition is met, we
+ * have violated the limit and want to log this error condition.
+ * We must do it here, because the CHAIN_TOO_LONG error would not
+ * be found explicitly; only errors introduced by cutting off the
+ * additional certificates would be logged.
+ */
+ if (depth > mydata->verify_depth) {
+ preverify_ok = 0;
+ err = X509_V_ERR_CERT_CHAIN_TOO_LONG;
+ X509_STORE_CTX_set_error(ctx, err);
+ }
+ if (!preverify_ok) {
+ printf("verify error:num=%d:%s:depth=%d:%s\n", err,
+ X509_verify_cert_error_string(err), depth, buf);
+ }
+ else if (mydata->verbose_mode)
+ {
+ printf("depth=%d:%s\n", depth, buf);
+ }
+
+ /*
+ * At this point, err contains the last verification error. We can use
+ * it for something special
+ */
+ if (!preverify_ok && (err == X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT))
+ {
+ X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert), buf, 256);
+ printf("issuer= %s\n", buf);
+ }
+
+ if (mydata->always_continue)
+ return 1;
+ else
+ return preverify_ok;
+ }
+ ...
+
+ mydata_t mydata;
+
+ ...
+ mydata_index = SSL_get_ex_new_index(0, "mydata index", NULL, NULL, NULL);
+
+ ...
+ SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,
+ verify_callback);
+
+ /*
+ * Let the verify_callback catch the verify_depth error so that we get
+ * an appropriate error in the logfile.
+ */
+ SSL_CTX_set_verify_depth(verify_depth + 1);
+
+ /*
+ * Set up the SSL specific data into "mydata" and store it into th SSL
+ * structure.
+ */
+ mydata.verify_depth = verify_depth; ...
+ SSL_set_ex_data(ssl, mydata_index, &mydata);
+
+ ...
+ SSL_accept(ssl); /* check of success left out for clarity */
+ if (peer = SSL_get_peer_certificate(ssl))
+ {
+ if (SSL_get_verify_result(ssl) == X509_V_OK)
+ {
+ /* The client sent a certificate which verified OK */
+ }
+ }
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_new(3)|SSL_new(3)>,
+L<SSL_CTX_get_verify_mode(3)|SSL_CTX_get_verify_mode(3)>,
+L<SSL_get_verify_result(3)|SSL_get_verify_result(3)>,
+L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>,
+L<SSL_get_peer_certificate(3)|SSL_get_peer_certificate(3)>,
+L<SSL_CTX_set_cert_verify_callback(3)|SSL_CTX_set_cert_verify_callback(3)>,
+L<SSL_get_ex_data_X509_STORE_CTX_idx(3)|SSL_get_ex_data_X509_STORE_CTX_idx(3)>,
+L<SSL_get_ex_new_index(3)|SSL_get_ex_new_index(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_CTX_use_certificate.pod b/openssl/doc/ssl/SSL_CTX_use_certificate.pod
new file mode 100644
index 000000000..10be95fdb
--- /dev/null
+++ b/openssl/doc/ssl/SSL_CTX_use_certificate.pod
@@ -0,0 +1,169 @@
+=pod
+
+=head1 NAME
+
+SSL_CTX_use_certificate, SSL_CTX_use_certificate_ASN1, SSL_CTX_use_certificate_file, SSL_use_certificate, SSL_use_certificate_ASN1, SSL_use_certificate_file, SSL_CTX_use_certificate_chain_file, SSL_CTX_use_PrivateKey, SSL_CTX_use_PrivateKey_ASN1, SSL_CTX_use_PrivateKey_file, SSL_CTX_use_RSAPrivateKey, SSL_CTX_use_RSAPrivateKey_ASN1, SSL_CTX_use_RSAPrivateKey_file, SSL_use_PrivateKey_file, SSL_use_PrivateKey_ASN1, SSL_use_PrivateKey, SSL_use_RSAPrivateKey, SSL_use_RSAPrivateKey_ASN1, SSL_use_RSAPrivateKey_file, SSL_CTX_check_private_key, SSL_check_private_key - load certificate and key data
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
+ int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, unsigned char *d);
+ int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type);
+ int SSL_use_certificate(SSL *ssl, X509 *x);
+ int SSL_use_certificate_ASN1(SSL *ssl, unsigned char *d, int len);
+ int SSL_use_certificate_file(SSL *ssl, const char *file, int type);
+
+ int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file);
+
+ int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
+ int SSL_CTX_use_PrivateKey_ASN1(int pk, SSL_CTX *ctx, unsigned char *d,
+ long len);
+ int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type);
+ int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
+ int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, unsigned char *d, long len);
+ int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type);
+ int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
+ int SSL_use_PrivateKey_ASN1(int pk,SSL *ssl, unsigned char *d, long len);
+ int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
+ int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
+ int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len);
+ int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
+
+ int SSL_CTX_check_private_key(const SSL_CTX *ctx);
+ int SSL_check_private_key(const SSL *ssl);
+
+=head1 DESCRIPTION
+
+These functions load the certificates and private keys into the SSL_CTX
+or SSL object, respectively.
+
+The SSL_CTX_* class of functions loads the certificates and keys into the
+SSL_CTX object B<ctx>. The information is passed to SSL objects B<ssl>
+created from B<ctx> with L<SSL_new(3)|SSL_new(3)> by copying, so that
+changes applied to B<ctx> do not propagate to already existing SSL objects.
+
+The SSL_* class of functions only loads certificates and keys into a
+specific SSL object. The specific information is kept, when
+L<SSL_clear(3)|SSL_clear(3)> is called for this SSL object.
+
+SSL_CTX_use_certificate() loads the certificate B<x> into B<ctx>,
+SSL_use_certificate() loads B<x> into B<ssl>. The rest of the
+certificates needed to form the complete certificate chain can be
+specified using the
+L<SSL_CTX_add_extra_chain_cert(3)|SSL_CTX_add_extra_chain_cert(3)>
+function.
+
+SSL_CTX_use_certificate_ASN1() loads the ASN1 encoded certificate from
+the memory location B<d> (with length B<len>) into B<ctx>,
+SSL_use_certificate_ASN1() loads the ASN1 encoded certificate into B<ssl>.
+
+SSL_CTX_use_certificate_file() loads the first certificate stored in B<file>
+into B<ctx>. The formatting B<type> of the certificate must be specified
+from the known types SSL_FILETYPE_PEM, SSL_FILETYPE_ASN1.
+SSL_use_certificate_file() loads the certificate from B<file> into B<ssl>.
+See the NOTES section on why SSL_CTX_use_certificate_chain_file()
+should be preferred.
+
+SSL_CTX_use_certificate_chain_file() loads a certificate chain from
+B<file> into B<ctx>. The certificates must be in PEM format and must
+be sorted starting with the subject's certificate (actual client or server
+certificate), followed by intermediate CA certificates if applicable, and
+ending at the highest level (root) CA.
+There is no corresponding function working on a single SSL object.
+
+SSL_CTX_use_PrivateKey() adds B<pkey> as private key to B<ctx>.
+SSL_CTX_use_RSAPrivateKey() adds the private key B<rsa> of type RSA
+to B<ctx>. SSL_use_PrivateKey() adds B<pkey> as private key to B<ssl>;
+SSL_use_RSAPrivateKey() adds B<rsa> as private key of type RSA to B<ssl>.
+If a certificate has already been set and the private does not belong
+to the certificate an error is returned. To change a certificate, private
+key pair the new certificate needs to be set with SSL_use_certificate()
+or SSL_CTX_use_certificate() before setting the private key with
+SSL_CTX_use_PrivateKey() or SSL_use_PrivateKey().
+
+
+SSL_CTX_use_PrivateKey_ASN1() adds the private key of type B<pk>
+stored at memory location B<d> (length B<len>) to B<ctx>.
+SSL_CTX_use_RSAPrivateKey_ASN1() adds the private key of type RSA
+stored at memory location B<d> (length B<len>) to B<ctx>.
+SSL_use_PrivateKey_ASN1() and SSL_use_RSAPrivateKey_ASN1() add the private
+key to B<ssl>.
+
+SSL_CTX_use_PrivateKey_file() adds the first private key found in
+B<file> to B<ctx>. The formatting B<type> of the certificate must be specified
+from the known types SSL_FILETYPE_PEM, SSL_FILETYPE_ASN1.
+SSL_CTX_use_RSAPrivateKey_file() adds the first private RSA key found in
+B<file> to B<ctx>. SSL_use_PrivateKey_file() adds the first private key found
+in B<file> to B<ssl>; SSL_use_RSAPrivateKey_file() adds the first private
+RSA key found to B<ssl>.
+
+SSL_CTX_check_private_key() checks the consistency of a private key with
+the corresponding certificate loaded into B<ctx>. If more than one
+key/certificate pair (RSA/DSA) is installed, the last item installed will
+be checked. If e.g. the last item was a RSA certificate or key, the RSA
+key/certificate pair will be checked. SSL_check_private_key() performs
+the same check for B<ssl>. If no key/certificate was explicitly added for
+this B<ssl>, the last item added into B<ctx> will be checked.
+
+=head1 NOTES
+
+The internal certificate store of OpenSSL can hold two private key/certificate
+pairs at a time: one key/certificate of type RSA and one key/certificate
+of type DSA. The certificate used depends on the cipher select, see
+also L<SSL_CTX_set_cipher_list(3)|SSL_CTX_set_cipher_list(3)>.
+
+When reading certificates and private keys from file, files of type
+SSL_FILETYPE_ASN1 (also known as B<DER>, binary encoding) can only contain
+one certificate or private key, consequently
+SSL_CTX_use_certificate_chain_file() is only applicable to PEM formatting.
+Files of type SSL_FILETYPE_PEM can contain more than one item.
+
+SSL_CTX_use_certificate_chain_file() adds the first certificate found
+in the file to the certificate store. The other certificates are added
+to the store of chain certificates using
+L<SSL_CTX_add_extra_chain_cert(3)|SSL_CTX_add_extra_chain_cert(3)>.
+There exists only one extra chain store, so that the same chain is appended
+to both types of certificates, RSA and DSA! If it is not intended to use
+both type of certificate at the same time, it is recommended to use the
+SSL_CTX_use_certificate_chain_file() instead of the
+SSL_CTX_use_certificate_file() function in order to allow the use of
+complete certificate chains even when no trusted CA storage is used or
+when the CA issuing the certificate shall not be added to the trusted
+CA storage.
+
+If additional certificates are needed to complete the chain during the
+TLS negotiation, CA certificates are additionally looked up in the
+locations of trusted CA certificates, see
+L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>.
+
+The private keys loaded from file can be encrypted. In order to successfully
+load encrypted keys, a function returning the passphrase must have been
+supplied, see
+L<SSL_CTX_set_default_passwd_cb(3)|SSL_CTX_set_default_passwd_cb(3)>.
+(Certificate files might be encrypted as well from the technical point
+of view, it however does not make sense as the data in the certificate
+is considered public anyway.)
+
+=head1 RETURN VALUES
+
+On success, the functions return 1.
+Otherwise check out the error stack to find out the reason.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_new(3)|SSL_new(3)>, L<SSL_clear(3)|SSL_clear(3)>,
+L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>,
+L<SSL_CTX_set_default_passwd_cb(3)|SSL_CTX_set_default_passwd_cb(3)>,
+L<SSL_CTX_set_cipher_list(3)|SSL_CTX_set_cipher_list(3)>,
+L<SSL_CTX_set_client_cert_cb(3)|SSL_CTX_set_client_cert_cb(3)>,
+L<SSL_CTX_add_extra_chain_cert(3)|SSL_CTX_add_extra_chain_cert(3)>
+
+=head1 HISTORY
+
+Support for DER encoded private keys (SSL_FILETYPE_ASN1) in
+SSL_CTX_use_PrivateKey_file() and SSL_use_PrivateKey_file() was added
+in 0.9.8 .
+
+=cut
diff --git a/openssl/doc/ssl/SSL_SESSION_free.pod b/openssl/doc/ssl/SSL_SESSION_free.pod
new file mode 100644
index 000000000..110ec73ab
--- /dev/null
+++ b/openssl/doc/ssl/SSL_SESSION_free.pod
@@ -0,0 +1,55 @@
+=pod
+
+=head1 NAME
+
+SSL_SESSION_free - free an allocated SSL_SESSION structure
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_SESSION_free(SSL_SESSION *session);
+
+=head1 DESCRIPTION
+
+SSL_SESSION_free() decrements the reference count of B<session> and removes
+the B<SSL_SESSION> structure pointed to by B<session> and frees up the allocated
+memory, if the reference count has reached 0.
+
+=head1 NOTES
+
+SSL_SESSION objects are allocated, when a TLS/SSL handshake operation
+is successfully completed. Depending on the settings, see
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>,
+the SSL_SESSION objects are internally referenced by the SSL_CTX and
+linked into its session cache. SSL objects may be using the SSL_SESSION object;
+as a session may be reused, several SSL objects may be using one SSL_SESSION
+object at the same time. It is therefore crucial to keep the reference
+count (usage information) correct and not delete a SSL_SESSION object
+that is still used, as this may lead to program failures due to
+dangling pointers. These failures may also appear delayed, e.g.
+when an SSL_SESSION object was completely freed as the reference count
+incorrectly became 0, but it is still referenced in the internal
+session cache and the cache list is processed during a
+L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)> operation.
+
+SSL_SESSION_free() must only be called for SSL_SESSION objects, for
+which the reference count was explicitly incremented (e.g.
+by calling SSL_get1_session(), see L<SSL_get_session(3)|SSL_get_session(3)>)
+or when the SSL_SESSION object was generated outside a TLS handshake
+operation, e.g. by using L<d2i_SSL_SESSION(3)|d2i_SSL_SESSION(3)>.
+It must not be called on other SSL_SESSION objects, as this would cause
+incorrect reference counts and therefore program failures.
+
+=head1 RETURN VALUES
+
+SSL_SESSION_free() does not provide diagnostic information.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_get_session(3)|SSL_get_session(3)>,
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>,
+L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)>,
+ L<d2i_SSL_SESSION(3)|d2i_SSL_SESSION(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_SESSION_get_ex_new_index.pod b/openssl/doc/ssl/SSL_SESSION_get_ex_new_index.pod
new file mode 100644
index 000000000..657cda931
--- /dev/null
+++ b/openssl/doc/ssl/SSL_SESSION_get_ex_new_index.pod
@@ -0,0 +1,61 @@
+=pod
+
+=head1 NAME
+
+SSL_SESSION_get_ex_new_index, SSL_SESSION_set_ex_data, SSL_SESSION_get_ex_data - internal application specific data functions
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_SESSION_get_ex_new_index(long argl, void *argp,
+ CRYPTO_EX_new *new_func,
+ CRYPTO_EX_dup *dup_func,
+ CRYPTO_EX_free *free_func);
+
+ int SSL_SESSION_set_ex_data(SSL_SESSION *session, int idx, void *arg);
+
+ void *SSL_SESSION_get_ex_data(const SSL_SESSION *session, int idx);
+
+ typedef int new_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
+ int idx, long argl, void *argp);
+ typedef void free_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
+ int idx, long argl, void *argp);
+ typedef int dup_func(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from, void *from_d,
+ int idx, long argl, void *argp);
+
+=head1 DESCRIPTION
+
+Several OpenSSL structures can have application specific data attached to them.
+These functions are used internally by OpenSSL to manipulate application
+specific data attached to a specific structure.
+
+SSL_SESSION_get_ex_new_index() is used to register a new index for application
+specific data.
+
+SSL_SESSION_set_ex_data() is used to store application data at B<arg> for B<idx>
+into the B<session> object.
+
+SSL_SESSION_get_ex_data() is used to retrieve the information for B<idx> from
+B<session>.
+
+A detailed description for the B<*_get_ex_new_index()> functionality
+can be found in L<RSA_get_ex_new_index(3)|RSA_get_ex_new_index(3)>.
+The B<*_get_ex_data()> and B<*_set_ex_data()> functionality is described in
+L<CRYPTO_set_ex_data(3)|CRYPTO_set_ex_data(3)>.
+
+=head1 WARNINGS
+
+The application data is only maintained for sessions held in memory. The
+application data is not included when dumping the session with
+i2d_SSL_SESSION() (and all functions indirectly calling the dump functions
+like PEM_write_SSL_SESSION() and PEM_write_bio_SSL_SESSION()) and can
+therefore not be restored.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<RSA_get_ex_new_index(3)|RSA_get_ex_new_index(3)>,
+L<CRYPTO_set_ex_data(3)|CRYPTO_set_ex_data(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_SESSION_get_time.pod b/openssl/doc/ssl/SSL_SESSION_get_time.pod
new file mode 100644
index 000000000..490337a32
--- /dev/null
+++ b/openssl/doc/ssl/SSL_SESSION_get_time.pod
@@ -0,0 +1,64 @@
+=pod
+
+=head1 NAME
+
+SSL_SESSION_get_time, SSL_SESSION_set_time, SSL_SESSION_get_timeout, SSL_SESSION_set_timeout - retrieve and manipulate session time and timeout settings
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ long SSL_SESSION_get_time(const SSL_SESSION *s);
+ long SSL_SESSION_set_time(SSL_SESSION *s, long tm);
+ long SSL_SESSION_get_timeout(const SSL_SESSION *s);
+ long SSL_SESSION_set_timeout(SSL_SESSION *s, long tm);
+
+ long SSL_get_time(const SSL_SESSION *s);
+ long SSL_set_time(SSL_SESSION *s, long tm);
+ long SSL_get_timeout(const SSL_SESSION *s);
+ long SSL_set_timeout(SSL_SESSION *s, long tm);
+
+=head1 DESCRIPTION
+
+SSL_SESSION_get_time() returns the time at which the session B<s> was
+established. The time is given in seconds since the Epoch and therefore
+compatible to the time delivered by the time() call.
+
+SSL_SESSION_set_time() replaces the creation time of the session B<s> with
+the chosen value B<tm>.
+
+SSL_SESSION_get_timeout() returns the timeout value set for session B<s>
+in seconds.
+
+SSL_SESSION_set_timeout() sets the timeout value for session B<s> in seconds
+to B<tm>.
+
+The SSL_get_time(), SSL_set_time(), SSL_get_timeout(), and SSL_set_timeout()
+functions are synonyms for the SSL_SESSION_*() counterparts.
+
+=head1 NOTES
+
+Sessions are expired by examining the creation time and the timeout value.
+Both are set at creation time of the session to the actual time and the
+default timeout value at creation, respectively, as set by
+L<SSL_CTX_set_timeout(3)|SSL_CTX_set_timeout(3)>.
+Using these functions it is possible to extend or shorten the lifetime
+of the session.
+
+=head1 RETURN VALUES
+
+SSL_SESSION_get_time() and SSL_SESSION_get_timeout() return the currently
+valid values.
+
+SSL_SESSION_set_time() and SSL_SESSION_set_timeout() return 1 on success.
+
+If any of the function is passed the NULL pointer for the session B<s>,
+0 is returned.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<SSL_CTX_set_timeout(3)|SSL_CTX_set_timeout(3)>,
+L<SSL_get_default_timeout(3)|SSL_get_default_timeout(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_accept.pod b/openssl/doc/ssl/SSL_accept.pod
new file mode 100644
index 000000000..cc724c0d5
--- /dev/null
+++ b/openssl/doc/ssl/SSL_accept.pod
@@ -0,0 +1,76 @@
+=pod
+
+=head1 NAME
+
+SSL_accept - wait for a TLS/SSL client to initiate a TLS/SSL handshake
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_accept(SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_accept() waits for a TLS/SSL client to initiate the TLS/SSL handshake.
+The communication channel must already have been set and assigned to the
+B<ssl> by setting an underlying B<BIO>.
+
+=head1 NOTES
+
+The behaviour of SSL_accept() depends on the underlying BIO.
+
+If the underlying BIO is B<blocking>, SSL_accept() will only return once the
+handshake has been finished or an error occurred, except for SGC (Server
+Gated Cryptography). For SGC, SSL_accept() may return with -1, but
+SSL_get_error() will yield B<SSL_ERROR_WANT_READ/WRITE> and SSL_accept()
+should be called again.
+
+If the underlying BIO is B<non-blocking>, SSL_accept() will also return
+when the underlying BIO could not satisfy the needs of SSL_accept()
+to continue the handshake, indicating the problem by the return value -1.
+In this case a call to SSL_get_error() with the
+return value of SSL_accept() will yield B<SSL_ERROR_WANT_READ> or
+B<SSL_ERROR_WANT_WRITE>. The calling process then must repeat the call after
+taking appropriate action to satisfy the needs of SSL_accept().
+The action depends on the underlying BIO. When using a non-blocking socket,
+nothing is to be done, but select() can be used to check for the required
+condition. When using a buffering BIO, like a BIO pair, data must be written
+into or retrieved out of the BIO before being able to continue.
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item 1
+
+The TLS/SSL handshake was successfully completed, a TLS/SSL connection has been
+established.
+
+=item 0
+
+The TLS/SSL handshake was not successful but was shut down controlled and
+by the specifications of the TLS/SSL protocol. Call SSL_get_error() with the
+return value B<ret> to find out the reason.
+
+=item E<lt>0
+
+The TLS/SSL handshake was not successful because a fatal error occurred either
+at the protocol level or a connection failure occurred. The shutdown was
+not clean. It can also occur of action is need to continue the operation
+for non-blocking BIOs. Call SSL_get_error() with the return value B<ret>
+to find out the reason.
+
+=back
+
+=head1 SEE ALSO
+
+L<SSL_get_error(3)|SSL_get_error(3)>, L<SSL_connect(3)|SSL_connect(3)>,
+L<SSL_shutdown(3)|SSL_shutdown(3)>, L<ssl(3)|ssl(3)>, L<bio(3)|bio(3)>,
+L<SSL_set_connect_state(3)|SSL_set_connect_state(3)>,
+L<SSL_do_handshake(3)|SSL_do_handshake(3)>,
+L<SSL_CTX_new(3)|SSL_CTX_new(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_alert_type_string.pod b/openssl/doc/ssl/SSL_alert_type_string.pod
new file mode 100644
index 000000000..94e28cc30
--- /dev/null
+++ b/openssl/doc/ssl/SSL_alert_type_string.pod
@@ -0,0 +1,228 @@
+=pod
+
+=head1 NAME
+
+SSL_alert_type_string, SSL_alert_type_string_long, SSL_alert_desc_string, SSL_alert_desc_string_long - get textual description of alert information
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ const char *SSL_alert_type_string(int value);
+ const char *SSL_alert_type_string_long(int value);
+
+ const char *SSL_alert_desc_string(int value);
+ const char *SSL_alert_desc_string_long(int value);
+
+=head1 DESCRIPTION
+
+SSL_alert_type_string() returns a one letter string indicating the
+type of the alert specified by B<value>.
+
+SSL_alert_type_string_long() returns a string indicating the type of the alert
+specified by B<value>.
+
+SSL_alert_desc_string() returns a two letter string as a short form
+describing the reason of the alert specified by B<value>.
+
+SSL_alert_desc_string_long() returns a string describing the reason
+of the alert specified by B<value>.
+
+=head1 NOTES
+
+When one side of an SSL/TLS communication wants to inform the peer about
+a special situation, it sends an alert. The alert is sent as a special message
+and does not influence the normal data stream (unless its contents results
+in the communication being canceled).
+
+A warning alert is sent, when a non-fatal error condition occurs. The
+"close notify" alert is sent as a warning alert. Other examples for
+non-fatal errors are certificate errors ("certificate expired",
+"unsupported certificate"), for which a warning alert may be sent.
+(The sending party may however decide to send a fatal error.) The
+receiving side may cancel the connection on reception of a warning
+alert on it discretion.
+
+Several alert messages must be sent as fatal alert messages as specified
+by the TLS RFC. A fatal alert always leads to a connection abort.
+
+=head1 RETURN VALUES
+
+The following strings can occur for SSL_alert_type_string() or
+SSL_alert_type_string_long():
+
+=over 4
+
+=item "W"/"warning"
+
+=item "F"/"fatal"
+
+=item "U"/"unknown"
+
+This indicates that no support is available for this alert type.
+Probably B<value> does not contain a correct alert message.
+
+=back
+
+The following strings can occur for SSL_alert_desc_string() or
+SSL_alert_desc_string_long():
+
+=over 4
+
+=item "CN"/"close notify"
+
+The connection shall be closed. This is a warning alert.
+
+=item "UM"/"unexpected message"
+
+An inappropriate message was received. This alert is always fatal
+and should never be observed in communication between proper
+implementations.
+
+=item "BM"/"bad record mac"
+
+This alert is returned if a record is received with an incorrect
+MAC. This message is always fatal.
+
+=item "DF"/"decompression failure"
+
+The decompression function received improper input (e.g. data
+that would expand to excessive length). This message is always
+fatal.
+
+=item "HF"/"handshake failure"
+
+Reception of a handshake_failure alert message indicates that the
+sender was unable to negotiate an acceptable set of security
+parameters given the options available. This is a fatal error.
+
+=item "NC"/"no certificate"
+
+A client, that was asked to send a certificate, does not send a certificate
+(SSLv3 only).
+
+=item "BC"/"bad certificate"
+
+A certificate was corrupt, contained signatures that did not
+verify correctly, etc
+
+=item "UC"/"unsupported certificate"
+
+A certificate was of an unsupported type.
+
+=item "CR"/"certificate revoked"
+
+A certificate was revoked by its signer.
+
+=item "CE"/"certificate expired"
+
+A certificate has expired or is not currently valid.
+
+=item "CU"/"certificate unknown"
+
+Some other (unspecified) issue arose in processing the
+certificate, rendering it unacceptable.
+
+=item "IP"/"illegal parameter"
+
+A field in the handshake was out of range or inconsistent with
+other fields. This is always fatal.
+
+=item "DC"/"decryption failed"
+
+A TLSCiphertext decrypted in an invalid way: either it wasn't an
+even multiple of the block length or its padding values, when
+checked, weren't correct. This message is always fatal.
+
+=item "RO"/"record overflow"
+
+A TLSCiphertext record was received which had a length more than
+2^14+2048 bytes, or a record decrypted to a TLSCompressed record
+with more than 2^14+1024 bytes. This message is always fatal.
+
+=item "CA"/"unknown CA"
+
+A valid certificate chain or partial chain was received, but the
+certificate was not accepted because the CA certificate could not
+be located or couldn't be matched with a known, trusted CA. This
+message is always fatal.
+
+=item "AD"/"access denied"
+
+A valid certificate was received, but when access control was
+applied, the sender decided not to proceed with negotiation.
+This message is always fatal.
+
+=item "DE"/"decode error"
+
+A message could not be decoded because some field was out of the
+specified range or the length of the message was incorrect. This
+message is always fatal.
+
+=item "CY"/"decrypt error"
+
+A handshake cryptographic operation failed, including being
+unable to correctly verify a signature, decrypt a key exchange,
+or validate a finished message.
+
+=item "ER"/"export restriction"
+
+A negotiation not in compliance with export restrictions was
+detected; for example, attempting to transfer a 1024 bit
+ephemeral RSA key for the RSA_EXPORT handshake method. This
+message is always fatal.
+
+=item "PV"/"protocol version"
+
+The protocol version the client has attempted to negotiate is
+recognized, but not supported. (For example, old protocol
+versions might be avoided for security reasons). This message is
+always fatal.
+
+=item "IS"/"insufficient security"
+
+Returned instead of handshake_failure when a negotiation has
+failed specifically because the server requires ciphers more
+secure than those supported by the client. This message is always
+fatal.
+
+=item "IE"/"internal error"
+
+An internal error unrelated to the peer or the correctness of the
+protocol makes it impossible to continue (such as a memory
+allocation failure). This message is always fatal.
+
+=item "US"/"user canceled"
+
+This handshake is being canceled for some reason unrelated to a
+protocol failure. If the user cancels an operation after the
+handshake is complete, just closing the connection by sending a
+close_notify is more appropriate. This alert should be followed
+by a close_notify. This message is generally a warning.
+
+=item "NR"/"no renegotiation"
+
+Sent by the client in response to a hello request or by the
+server in response to a client hello after initial handshaking.
+Either of these would normally lead to renegotiation; when that
+is not appropriate, the recipient should respond with this alert;
+at that point, the original requester can decide whether to
+proceed with the connection. One case where this would be
+appropriate would be where a server has spawned a process to
+satisfy a request; the process might receive security parameters
+(key length, authentication, etc.) at startup and it might be
+difficult to communicate changes to these parameters after that
+point. This message is always a warning.
+
+=item "UK"/"unknown"
+
+This indicates that no description is available for this alert type.
+Probably B<value> does not contain a correct alert message.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_CTX_set_info_callback(3)|SSL_CTX_set_info_callback(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_clear.pod b/openssl/doc/ssl/SSL_clear.pod
new file mode 100644
index 000000000..8e077e31c
--- /dev/null
+++ b/openssl/doc/ssl/SSL_clear.pod
@@ -0,0 +1,69 @@
+=pod
+
+=head1 NAME
+
+SSL_clear - reset SSL object to allow another connection
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_clear(SSL *ssl);
+
+=head1 DESCRIPTION
+
+Reset B<ssl> to allow another connection. All settings (method, ciphers,
+BIOs) are kept.
+
+=head1 NOTES
+
+SSL_clear is used to prepare an SSL object for a new connection. While all
+settings are kept, a side effect is the handling of the current SSL session.
+If a session is still B<open>, it is considered bad and will be removed
+from the session cache, as required by RFC2246. A session is considered open,
+if L<SSL_shutdown(3)|SSL_shutdown(3)> was not called for the connection
+or at least L<SSL_set_shutdown(3)|SSL_set_shutdown(3)> was used to
+set the SSL_SENT_SHUTDOWN state.
+
+If a session was closed cleanly, the session object will be kept and all
+settings corresponding. This explicitly means, that e.g. the special method
+used during the session will be kept for the next handshake. So if the
+session was a TLSv1 session, a SSL client object will use a TLSv1 client
+method for the next handshake and a SSL server object will use a TLSv1
+server method, even if SSLv23_*_methods were chosen on startup. This
+will might lead to connection failures (see L<SSL_new(3)|SSL_new(3)>)
+for a description of the method's properties.
+
+=head1 WARNINGS
+
+SSL_clear() resets the SSL object to allow for another connection. The
+reset operation however keeps several settings of the last sessions
+(some of these settings were made automatically during the last
+handshake). It only makes sense when opening a new session (or reusing
+an old one) with the same peer that shares these settings.
+SSL_clear() is not a short form for the sequence
+L<SSL_free(3)|SSL_free(3)>; L<SSL_new(3)|SSL_new(3)>; .
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item 0
+
+The SSL_clear() operation could not be performed. Check the error stack to
+find out the reason.
+
+=item 1
+
+The SSL_clear() operation was successful.
+
+=back
+
+L<SSL_new(3)|SSL_new(3)>, L<SSL_free(3)|SSL_free(3)>,
+L<SSL_shutdown(3)|SSL_shutdown(3)>, L<SSL_set_shutdown(3)|SSL_set_shutdown(3)>,
+L<SSL_CTX_set_options(3)|SSL_CTX_set_options(3)>, L<ssl(3)|ssl(3)>,
+L<SSL_CTX_set_client_cert_cb(3)|SSL_CTX_set_client_cert_cb(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_connect.pod b/openssl/doc/ssl/SSL_connect.pod
new file mode 100644
index 000000000..cc56ebb75
--- /dev/null
+++ b/openssl/doc/ssl/SSL_connect.pod
@@ -0,0 +1,73 @@
+=pod
+
+=head1 NAME
+
+SSL_connect - initiate the TLS/SSL handshake with an TLS/SSL server
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_connect(SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_connect() initiates the TLS/SSL handshake with a server. The communication
+channel must already have been set and assigned to the B<ssl> by setting an
+underlying B<BIO>.
+
+=head1 NOTES
+
+The behaviour of SSL_connect() depends on the underlying BIO.
+
+If the underlying BIO is B<blocking>, SSL_connect() will only return once the
+handshake has been finished or an error occurred.
+
+If the underlying BIO is B<non-blocking>, SSL_connect() will also return
+when the underlying BIO could not satisfy the needs of SSL_connect()
+to continue the handshake, indicating the problem by the return value -1.
+In this case a call to SSL_get_error() with the
+return value of SSL_connect() will yield B<SSL_ERROR_WANT_READ> or
+B<SSL_ERROR_WANT_WRITE>. The calling process then must repeat the call after
+taking appropriate action to satisfy the needs of SSL_connect().
+The action depends on the underlying BIO. When using a non-blocking socket,
+nothing is to be done, but select() can be used to check for the required
+condition. When using a buffering BIO, like a BIO pair, data must be written
+into or retrieved out of the BIO before being able to continue.
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item 1
+
+The TLS/SSL handshake was successfully completed, a TLS/SSL connection has been
+established.
+
+=item 0
+
+The TLS/SSL handshake was not successful but was shut down controlled and
+by the specifications of the TLS/SSL protocol. Call SSL_get_error() with the
+return value B<ret> to find out the reason.
+
+=item E<lt>0
+
+The TLS/SSL handshake was not successful, because a fatal error occurred either
+at the protocol level or a connection failure occurred. The shutdown was
+not clean. It can also occur of action is need to continue the operation
+for non-blocking BIOs. Call SSL_get_error() with the return value B<ret>
+to find out the reason.
+
+=back
+
+=head1 SEE ALSO
+
+L<SSL_get_error(3)|SSL_get_error(3)>, L<SSL_accept(3)|SSL_accept(3)>,
+L<SSL_shutdown(3)|SSL_shutdown(3)>, L<ssl(3)|ssl(3)>, L<bio(3)|bio(3)>,
+L<SSL_set_connect_state(3)|SSL_set_connect_state(3)>,
+L<SSL_do_handshake(3)|SSL_do_handshake(3)>,
+L<SSL_CTX_new(3)|SSL_CTX_new(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_do_handshake.pod b/openssl/doc/ssl/SSL_do_handshake.pod
new file mode 100644
index 000000000..243576451
--- /dev/null
+++ b/openssl/doc/ssl/SSL_do_handshake.pod
@@ -0,0 +1,75 @@
+=pod
+
+=head1 NAME
+
+SSL_do_handshake - perform a TLS/SSL handshake
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_do_handshake(SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_do_handshake() will wait for a SSL/TLS handshake to take place. If the
+connection is in client mode, the handshake will be started. The handshake
+routines may have to be explicitly set in advance using either
+L<SSL_set_connect_state(3)|SSL_set_connect_state(3)> or
+L<SSL_set_accept_state(3)|SSL_set_accept_state(3)>.
+
+=head1 NOTES
+
+The behaviour of SSL_do_handshake() depends on the underlying BIO.
+
+If the underlying BIO is B<blocking>, SSL_do_handshake() will only return
+once the handshake has been finished or an error occurred, except for SGC
+(Server Gated Cryptography). For SGC, SSL_do_handshake() may return with -1,
+but SSL_get_error() will yield B<SSL_ERROR_WANT_READ/WRITE> and
+SSL_do_handshake() should be called again.
+
+If the underlying BIO is B<non-blocking>, SSL_do_handshake() will also return
+when the underlying BIO could not satisfy the needs of SSL_do_handshake()
+to continue the handshake. In this case a call to SSL_get_error() with the
+return value of SSL_do_handshake() will yield B<SSL_ERROR_WANT_READ> or
+B<SSL_ERROR_WANT_WRITE>. The calling process then must repeat the call after
+taking appropriate action to satisfy the needs of SSL_do_handshake().
+The action depends on the underlying BIO. When using a non-blocking socket,
+nothing is to be done, but select() can be used to check for the required
+condition. When using a buffering BIO, like a BIO pair, data must be written
+into or retrieved out of the BIO before being able to continue.
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item 1
+
+The TLS/SSL handshake was successfully completed, a TLS/SSL connection has been
+established.
+
+=item 0
+
+The TLS/SSL handshake was not successful but was shut down controlled and
+by the specifications of the TLS/SSL protocol. Call SSL_get_error() with the
+return value B<ret> to find out the reason.
+
+=item E<lt>0
+
+The TLS/SSL handshake was not successful because a fatal error occurred either
+at the protocol level or a connection failure occurred. The shutdown was
+not clean. It can also occur of action is need to continue the operation
+for non-blocking BIOs. Call SSL_get_error() with the return value B<ret>
+to find out the reason.
+
+=back
+
+=head1 SEE ALSO
+
+L<SSL_get_error(3)|SSL_get_error(3)>, L<SSL_connect(3)|SSL_connect(3)>,
+L<SSL_accept(3)|SSL_accept(3)>, L<ssl(3)|ssl(3)>, L<bio(3)|bio(3)>,
+L<SSL_set_connect_state(3)|SSL_set_connect_state(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_free.pod b/openssl/doc/ssl/SSL_free.pod
new file mode 100644
index 000000000..13c1abd9e
--- /dev/null
+++ b/openssl/doc/ssl/SSL_free.pod
@@ -0,0 +1,44 @@
+=pod
+
+=head1 NAME
+
+SSL_free - free an allocated SSL structure
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_free(SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_free() decrements the reference count of B<ssl>, and removes the SSL
+structure pointed to by B<ssl> and frees up the allocated memory if the
+reference count has reached 0.
+
+=head1 NOTES
+
+SSL_free() also calls the free()ing procedures for indirectly affected items, if
+applicable: the buffering BIO, the read and write BIOs,
+cipher lists specially created for this B<ssl>, the B<SSL_SESSION>.
+Do not explicitly free these indirectly freed up items before or after
+calling SSL_free(), as trying to free things twice may lead to program
+failure.
+
+The ssl session has reference counts from two users: the SSL object, for
+which the reference count is removed by SSL_free() and the internal
+session cache. If the session is considered bad, because
+L<SSL_shutdown(3)|SSL_shutdown(3)> was not called for the connection
+and L<SSL_set_shutdown(3)|SSL_set_shutdown(3)> was not used to set the
+SSL_SENT_SHUTDOWN state, the session will also be removed
+from the session cache as required by RFC2246.
+
+=head1 RETURN VALUES
+
+SSL_free() does not provide diagnostic information.
+
+L<SSL_new(3)|SSL_new(3)>, L<SSL_clear(3)|SSL_clear(3)>,
+L<SSL_shutdown(3)|SSL_shutdown(3)>, L<SSL_set_shutdown(3)|SSL_set_shutdown(3)>,
+L<ssl(3)|ssl(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_SSL_CTX.pod b/openssl/doc/ssl/SSL_get_SSL_CTX.pod
new file mode 100644
index 000000000..659c482c7
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_SSL_CTX.pod
@@ -0,0 +1,26 @@
+=pod
+
+=head1 NAME
+
+SSL_get_SSL_CTX - get the SSL_CTX from which an SSL is created
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_get_SSL_CTX() returns a pointer to the SSL_CTX object, from which
+B<ssl> was created with L<SSL_new(3)|SSL_new(3)>.
+
+=head1 RETURN VALUES
+
+The pointer to the SSL_CTX object is returned.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_new(3)|SSL_new(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_ciphers.pod b/openssl/doc/ssl/SSL_get_ciphers.pod
new file mode 100644
index 000000000..aecadd913
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_ciphers.pod
@@ -0,0 +1,42 @@
+=pod
+
+=head1 NAME
+
+SSL_get_ciphers, SSL_get_cipher_list - get list of available SSL_CIPHERs
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *ssl);
+ const char *SSL_get_cipher_list(const SSL *ssl, int priority);
+
+=head1 DESCRIPTION
+
+SSL_get_ciphers() returns the stack of available SSL_CIPHERs for B<ssl>,
+sorted by preference. If B<ssl> is NULL or no ciphers are available, NULL
+is returned.
+
+SSL_get_cipher_list() returns a pointer to the name of the SSL_CIPHER
+listed for B<ssl> with B<priority>. If B<ssl> is NULL, no ciphers are
+available, or there are less ciphers than B<priority> available, NULL
+is returned.
+
+=head1 NOTES
+
+The details of the ciphers obtained by SSL_get_ciphers() can be obtained using
+the L<SSL_CIPHER_get_name(3)|SSL_CIPHER_get_name(3)> family of functions.
+
+Call SSL_get_cipher_list() with B<priority> starting from 0 to obtain the
+sorted list of available ciphers, until NULL is returned.
+
+=head1 RETURN VALUES
+
+See DESCRIPTION
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_CTX_set_cipher_list(3)|SSL_CTX_set_cipher_list(3)>,
+L<SSL_CIPHER_get_name(3)|SSL_CIPHER_get_name(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_client_CA_list.pod b/openssl/doc/ssl/SSL_get_client_CA_list.pod
new file mode 100644
index 000000000..68181b240
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_client_CA_list.pod
@@ -0,0 +1,53 @@
+=pod
+
+=head1 NAME
+
+SSL_get_client_CA_list, SSL_CTX_get_client_CA_list - get list of client CAs
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
+ STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx);
+
+=head1 DESCRIPTION
+
+SSL_CTX_get_client_CA_list() returns the list of client CAs explicitly set for
+B<ctx> using L<SSL_CTX_set_client_CA_list(3)|SSL_CTX_set_client_CA_list(3)>.
+
+SSL_get_client_CA_list() returns the list of client CAs explicitly
+set for B<ssl> using SSL_set_client_CA_list() or B<ssl>'s SSL_CTX object with
+L<SSL_CTX_set_client_CA_list(3)|SSL_CTX_set_client_CA_list(3)>, when in
+server mode. In client mode, SSL_get_client_CA_list returns the list of
+client CAs sent from the server, if any.
+
+=head1 RETURN VALUES
+
+SSL_CTX_set_client_CA_list() and SSL_set_client_CA_list() do not return
+diagnostic information.
+
+SSL_CTX_add_client_CA() and SSL_add_client_CA() have the following return
+values:
+
+=over 4
+
+=item STACK_OF(X509_NAMES)
+
+List of CA names explicitly set (for B<ctx> or in server mode) or send
+by the server (client mode).
+
+=item NULL
+
+No client CA list was explicitly set (for B<ctx> or in server mode) or
+the server did not send a list of CAs (client mode).
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<SSL_CTX_set_client_CA_list(3)|SSL_CTX_set_client_CA_list(3)>,
+L<SSL_CTX_set_client_cert_cb(3)|SSL_CTX_set_client_cert_cb(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_current_cipher.pod b/openssl/doc/ssl/SSL_get_current_cipher.pod
new file mode 100644
index 000000000..e5ab12491
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_current_cipher.pod
@@ -0,0 +1,43 @@
+=pod
+
+=head1 NAME
+
+SSL_get_current_cipher, SSL_get_cipher, SSL_get_cipher_name,
+SSL_get_cipher_bits, SSL_get_cipher_version - get SSL_CIPHER of a connection
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ SSL_CIPHER *SSL_get_current_cipher(const SSL *ssl);
+ #define SSL_get_cipher(s) \
+ SSL_CIPHER_get_name(SSL_get_current_cipher(s))
+ #define SSL_get_cipher_name(s) \
+ SSL_CIPHER_get_name(SSL_get_current_cipher(s))
+ #define SSL_get_cipher_bits(s,np) \
+ SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
+ #define SSL_get_cipher_version(s) \
+ SSL_CIPHER_get_version(SSL_get_current_cipher(s))
+
+=head1 DESCRIPTION
+
+SSL_get_current_cipher() returns a pointer to an SSL_CIPHER object containing
+the description of the actually used cipher of a connection established with
+the B<ssl> object.
+
+SSL_get_cipher() and SSL_get_cipher_name() are identical macros to obtain the
+name of the currently used cipher. SSL_get_cipher_bits() is a
+macro to obtain the number of secret/algorithm bits used and
+SSL_get_cipher_version() returns the protocol name.
+See L<SSL_CIPHER_get_name(3)|SSL_CIPHER_get_name(3)> for more details.
+
+=head1 RETURN VALUES
+
+SSL_get_current_cipher() returns the cipher actually used or NULL, when
+no session has been established.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_CIPHER_get_name(3)|SSL_CIPHER_get_name(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_default_timeout.pod b/openssl/doc/ssl/SSL_get_default_timeout.pod
new file mode 100644
index 000000000..a648a9b82
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_default_timeout.pod
@@ -0,0 +1,41 @@
+=pod
+
+=head1 NAME
+
+SSL_get_default_timeout - get default session timeout value
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ long SSL_get_default_timeout(const SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_get_default_timeout() returns the default timeout value assigned to
+SSL_SESSION objects negotiated for the protocol valid for B<ssl>.
+
+=head1 NOTES
+
+Whenever a new session is negotiated, it is assigned a timeout value,
+after which it will not be accepted for session reuse. If the timeout
+value was not explicitly set using
+L<SSL_CTX_set_timeout(3)|SSL_CTX_set_timeout(3)>, the hardcoded default
+timeout for the protocol will be used.
+
+SSL_get_default_timeout() return this hardcoded value, which is 300 seconds
+for all currently supported protocols (SSLv2, SSLv3, and TLSv1).
+
+=head1 RETURN VALUES
+
+See description.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>,
+L<SSL_SESSION_get_time(3)|SSL_SESSION_get_time(3)>,
+L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)>,
+L<SSL_get_default_timeout(3)|SSL_get_default_timeout(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_error.pod b/openssl/doc/ssl/SSL_get_error.pod
new file mode 100644
index 000000000..48c6b15db
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_error.pod
@@ -0,0 +1,114 @@
+=pod
+
+=head1 NAME
+
+SSL_get_error - obtain result code for TLS/SSL I/O operation
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_get_error(const SSL *ssl, int ret);
+
+=head1 DESCRIPTION
+
+SSL_get_error() returns a result code (suitable for the C "switch"
+statement) for a preceding call to SSL_connect(), SSL_accept(), SSL_do_handshake(),
+SSL_read(), SSL_peek(), or SSL_write() on B<ssl>. The value returned by
+that TLS/SSL I/O function must be passed to SSL_get_error() in parameter
+B<ret>.
+
+In addition to B<ssl> and B<ret>, SSL_get_error() inspects the
+current thread's OpenSSL error queue. Thus, SSL_get_error() must be
+used in the same thread that performed the TLS/SSL I/O operation, and no
+other OpenSSL function calls should appear in between. The current
+thread's error queue must be empty before the TLS/SSL I/O operation is
+attempted, or SSL_get_error() will not work reliably.
+
+=head1 RETURN VALUES
+
+The following return values can currently occur:
+
+=over 4
+
+=item SSL_ERROR_NONE
+
+The TLS/SSL I/O operation completed. This result code is returned
+if and only if B<ret E<gt> 0>.
+
+=item SSL_ERROR_ZERO_RETURN
+
+The TLS/SSL connection has been closed. If the protocol version is SSL 3.0
+or TLS 1.0, this result code is returned only if a closure
+alert has occurred in the protocol, i.e. if the connection has been
+closed cleanly. Note that in this case B<SSL_ERROR_ZERO_RETURN>
+does not necessarily indicate that the underlying transport
+has been closed.
+
+=item SSL_ERROR_WANT_READ, SSL_ERROR_WANT_WRITE
+
+The operation did not complete; the same TLS/SSL I/O function should be
+called again later. If, by then, the underlying B<BIO> has data
+available for reading (if the result code is B<SSL_ERROR_WANT_READ>)
+or allows writing data (B<SSL_ERROR_WANT_WRITE>), then some TLS/SSL
+protocol progress will take place, i.e. at least part of an TLS/SSL
+record will be read or written. Note that the retry may again lead to
+a B<SSL_ERROR_WANT_READ> or B<SSL_ERROR_WANT_WRITE> condition.
+There is no fixed upper limit for the number of iterations that
+may be necessary until progress becomes visible at application
+protocol level.
+
+For socket B<BIO>s (e.g. when SSL_set_fd() was used), select() or
+poll() on the underlying socket can be used to find out when the
+TLS/SSL I/O function should be retried.
+
+Caveat: Any TLS/SSL I/O function can lead to either of
+B<SSL_ERROR_WANT_READ> and B<SSL_ERROR_WANT_WRITE>. In particular,
+SSL_read() or SSL_peek() may want to write data and SSL_write() may want
+to read data. This is mainly because TLS/SSL handshakes may occur at any
+time during the protocol (initiated by either the client or the server);
+SSL_read(), SSL_peek(), and SSL_write() will handle any pending handshakes.
+
+=item SSL_ERROR_WANT_CONNECT, SSL_ERROR_WANT_ACCEPT
+
+The operation did not complete; the same TLS/SSL I/O function should be
+called again later. The underlying BIO was not connected yet to the peer
+and the call would block in connect()/accept(). The SSL function should be
+called again when the connection is established. These messages can only
+appear with a BIO_s_connect() or BIO_s_accept() BIO, respectively.
+In order to find out, when the connection has been successfully established,
+on many platforms select() or poll() for writing on the socket file descriptor
+can be used.
+
+=item SSL_ERROR_WANT_X509_LOOKUP
+
+The operation did not complete because an application callback set by
+SSL_CTX_set_client_cert_cb() has asked to be called again.
+The TLS/SSL I/O function should be called again later.
+Details depend on the application.
+
+=item SSL_ERROR_SYSCALL
+
+Some I/O error occurred. The OpenSSL error queue may contain more
+information on the error. If the error queue is empty
+(i.e. ERR_get_error() returns 0), B<ret> can be used to find out more
+about the error: If B<ret == 0>, an EOF was observed that violates
+the protocol. If B<ret == -1>, the underlying B<BIO> reported an
+I/O error (for socket I/O on Unix systems, consult B<errno> for details).
+
+=item SSL_ERROR_SSL
+
+A failure in the SSL library occurred, usually a protocol error. The
+OpenSSL error queue contains more information on the error.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<err(3)|err(3)>
+
+=head1 HISTORY
+
+SSL_get_error() was added in SSLeay 0.8.
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_ex_data_X509_STORE_CTX_idx.pod b/openssl/doc/ssl/SSL_get_ex_data_X509_STORE_CTX_idx.pod
new file mode 100644
index 000000000..165c6a5b2
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_ex_data_X509_STORE_CTX_idx.pod
@@ -0,0 +1,61 @@
+=pod
+
+=head1 NAME
+
+SSL_get_ex_data_X509_STORE_CTX_idx - get ex_data index to access SSL structure
+from X509_STORE_CTX
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_get_ex_data_X509_STORE_CTX_idx(void);
+
+=head1 DESCRIPTION
+
+SSL_get_ex_data_X509_STORE_CTX_idx() returns the index number under which
+the pointer to the SSL object is stored into the X509_STORE_CTX object.
+
+=head1 NOTES
+
+Whenever a X509_STORE_CTX object is created for the verification of the
+peers certificate during a handshake, a pointer to the SSL object is
+stored into the X509_STORE_CTX object to identify the connection affected.
+To retrieve this pointer the X509_STORE_CTX_get_ex_data() function can
+be used with the correct index. This index is globally the same for all
+X509_STORE_CTX objects and can be retrieved using
+SSL_get_ex_data_X509_STORE_CTX_idx(). The index value is set when
+SSL_get_ex_data_X509_STORE_CTX_idx() is first called either by the application
+program directly or indirectly during other SSL setup functions or during
+the handshake.
+
+The value depends on other index values defined for X509_STORE_CTX objects
+before the SSL index is created.
+
+=head1 RETURN VALUES
+
+=over 4
+
+=item E<gt>=0
+
+The index value to access the pointer.
+
+=item E<lt>0
+
+An error occurred, check the error stack for a detailed error message.
+
+=back
+
+=head1 EXAMPLES
+
+The index returned from SSL_get_ex_data_X509_STORE_CTX_idx() allows to
+access the SSL object for the connection to be accessed during the
+verify_callback() when checking the peers certificate. Please check
+the example in L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>,
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>,
+L<CRYPTO_set_ex_data(3)|CRYPTO_set_ex_data(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_ex_new_index.pod b/openssl/doc/ssl/SSL_get_ex_new_index.pod
new file mode 100644
index 000000000..228d23d8c
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_ex_new_index.pod
@@ -0,0 +1,59 @@
+=pod
+
+=head1 NAME
+
+SSL_get_ex_new_index, SSL_set_ex_data, SSL_get_ex_data - internal application specific data functions
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_get_ex_new_index(long argl, void *argp,
+ CRYPTO_EX_new *new_func,
+ CRYPTO_EX_dup *dup_func,
+ CRYPTO_EX_free *free_func);
+
+ int SSL_set_ex_data(SSL *ssl, int idx, void *arg);
+
+ void *SSL_get_ex_data(const SSL *ssl, int idx);
+
+ typedef int new_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
+ int idx, long argl, void *argp);
+ typedef void free_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
+ int idx, long argl, void *argp);
+ typedef int dup_func(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from, void *from_d,
+ int idx, long argl, void *argp);
+
+=head1 DESCRIPTION
+
+Several OpenSSL structures can have application specific data attached to them.
+These functions are used internally by OpenSSL to manipulate application
+specific data attached to a specific structure.
+
+SSL_get_ex_new_index() is used to register a new index for application
+specific data.
+
+SSL_set_ex_data() is used to store application data at B<arg> for B<idx> into
+the B<ssl> object.
+
+SSL_get_ex_data() is used to retrieve the information for B<idx> from
+B<ssl>.
+
+A detailed description for the B<*_get_ex_new_index()> functionality
+can be found in L<RSA_get_ex_new_index(3)|RSA_get_ex_new_index(3)>.
+The B<*_get_ex_data()> and B<*_set_ex_data()> functionality is described in
+L<CRYPTO_set_ex_data(3)|CRYPTO_set_ex_data(3)>.
+
+=head1 EXAMPLES
+
+An example on how to use the functionality is included in the example
+verify_callback() in L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<RSA_get_ex_new_index(3)|RSA_get_ex_new_index(3)>,
+L<CRYPTO_set_ex_data(3)|CRYPTO_set_ex_data(3)>,
+L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_fd.pod b/openssl/doc/ssl/SSL_get_fd.pod
new file mode 100644
index 000000000..89260b522
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_fd.pod
@@ -0,0 +1,44 @@
+=pod
+
+=head1 NAME
+
+SSL_get_fd - get file descriptor linked to an SSL object
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_get_fd(const SSL *ssl);
+ int SSL_get_rfd(const SSL *ssl);
+ int SSL_get_wfd(const SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_get_fd() returns the file descriptor which is linked to B<ssl>.
+SSL_get_rfd() and SSL_get_wfd() return the file descriptors for the
+read or the write channel, which can be different. If the read and the
+write channel are different, SSL_get_fd() will return the file descriptor
+of the read channel.
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item -1
+
+The operation failed, because the underlying BIO is not of the correct type
+(suitable for file descriptors).
+
+=item E<gt>=0
+
+The file descriptor linked to B<ssl>.
+
+=back
+
+=head1 SEE ALSO
+
+L<SSL_set_fd(3)|SSL_set_fd(3)>, L<ssl(3)|ssl(3)> , L<bio(3)|bio(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_peer_cert_chain.pod b/openssl/doc/ssl/SSL_get_peer_cert_chain.pod
new file mode 100644
index 000000000..49fb88f86
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_peer_cert_chain.pod
@@ -0,0 +1,52 @@
+=pod
+
+=head1 NAME
+
+SSL_get_peer_cert_chain - get the X509 certificate chain of the peer
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ STACKOF(X509) *SSL_get_peer_cert_chain(const SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_get_peer_cert_chain() returns a pointer to STACKOF(X509) certificates
+forming the certificate chain of the peer. If called on the client side,
+the stack also contains the peer's certificate; if called on the server
+side, the peer's certificate must be obtained separately using
+L<SSL_get_peer_certificate(3)|SSL_get_peer_certificate(3)>.
+If the peer did not present a certificate, NULL is returned.
+
+=head1 NOTES
+
+The peer certificate chain is not necessarily available after reusing
+a session, in which case a NULL pointer is returned.
+
+The reference count of the STACKOF(X509) object is not incremented.
+If the corresponding session is freed, the pointer must not be used
+any longer.
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item NULL
+
+No certificate was presented by the peer or no connection was established
+or the certificate chain is no longer available when a session is reused.
+
+=item Pointer to a STACKOF(X509)
+
+The return value points to the certificate chain presented by the peer.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_get_peer_certificate(3)|SSL_get_peer_certificate(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_peer_certificate.pod b/openssl/doc/ssl/SSL_get_peer_certificate.pod
new file mode 100644
index 000000000..ef7c8be18
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_peer_certificate.pod
@@ -0,0 +1,55 @@
+=pod
+
+=head1 NAME
+
+SSL_get_peer_certificate - get the X509 certificate of the peer
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ X509 *SSL_get_peer_certificate(const SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_get_peer_certificate() returns a pointer to the X509 certificate the
+peer presented. If the peer did not present a certificate, NULL is returned.
+
+=head1 NOTES
+
+Due to the protocol definition, a TLS/SSL server will always send a
+certificate, if present. A client will only send a certificate when
+explicitly requested to do so by the server (see
+L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>). If an anonymous cipher
+is used, no certificates are sent.
+
+That a certificate is returned does not indicate information about the
+verification state, use L<SSL_get_verify_result(3)|SSL_get_verify_result(3)>
+to check the verification state.
+
+The reference count of the X509 object is incremented by one, so that it
+will not be destroyed when the session containing the peer certificate is
+freed. The X509 object must be explicitly freed using X509_free().
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item NULL
+
+No certificate was presented by the peer or no connection was established.
+
+=item Pointer to an X509 certificate
+
+The return value points to the certificate presented by the peer.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_get_verify_result(3)|SSL_get_verify_result(3)>,
+L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_rbio.pod b/openssl/doc/ssl/SSL_get_rbio.pod
new file mode 100644
index 000000000..3d98233ca
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_rbio.pod
@@ -0,0 +1,40 @@
+=pod
+
+=head1 NAME
+
+SSL_get_rbio - get BIO linked to an SSL object
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ BIO *SSL_get_rbio(SSL *ssl);
+ BIO *SSL_get_wbio(SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_get_rbio() and SSL_get_wbio() return pointers to the BIOs for the
+read or the write channel, which can be different. The reference count
+of the BIO is not incremented.
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item NULL
+
+No BIO was connected to the SSL object
+
+=item Any other pointer
+
+The BIO linked to B<ssl>.
+
+=back
+
+=head1 SEE ALSO
+
+L<SSL_set_bio(3)|SSL_set_bio(3)>, L<ssl(3)|ssl(3)> , L<bio(3)|bio(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_session.pod b/openssl/doc/ssl/SSL_get_session.pod
new file mode 100644
index 000000000..0c41caa92
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_session.pod
@@ -0,0 +1,73 @@
+=pod
+
+=head1 NAME
+
+SSL_get_session - retrieve TLS/SSL session data
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ SSL_SESSION *SSL_get_session(const SSL *ssl);
+ SSL_SESSION *SSL_get0_session(const SSL *ssl);
+ SSL_SESSION *SSL_get1_session(SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_get_session() returns a pointer to the B<SSL_SESSION> actually used in
+B<ssl>. The reference count of the B<SSL_SESSION> is not incremented, so
+that the pointer can become invalid by other operations.
+
+SSL_get0_session() is the same as SSL_get_session().
+
+SSL_get1_session() is the same as SSL_get_session(), but the reference
+count of the B<SSL_SESSION> is incremented by one.
+
+=head1 NOTES
+
+The ssl session contains all information required to re-establish the
+connection without a new handshake.
+
+SSL_get0_session() returns a pointer to the actual session. As the
+reference counter is not incremented, the pointer is only valid while
+the connection is in use. If L<SSL_clear(3)|SSL_clear(3)> or
+L<SSL_free(3)|SSL_free(3)> is called, the session may be removed completely
+(if considered bad), and the pointer obtained will become invalid. Even
+if the session is valid, it can be removed at any time due to timeout
+during L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)>.
+
+If the data is to be kept, SSL_get1_session() will increment the reference
+count, so that the session will not be implicitly removed by other operations
+but stays in memory. In order to remove the session
+L<SSL_SESSION_free(3)|SSL_SESSION_free(3)> must be explicitly called once
+to decrement the reference count again.
+
+SSL_SESSION objects keep internal link information about the session cache
+list, when being inserted into one SSL_CTX object's session cache.
+One SSL_SESSION object, regardless of its reference count, must therefore
+only be used with one SSL_CTX object (and the SSL objects created
+from this SSL_CTX object).
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item NULL
+
+There is no session available in B<ssl>.
+
+=item Pointer to an SSL
+
+The return value points to the data of an SSL session.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_free(3)|SSL_free(3)>,
+L<SSL_clear(3)|SSL_clear(3)>,
+L<SSL_SESSION_free(3)|SSL_SESSION_free(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_verify_result.pod b/openssl/doc/ssl/SSL_get_verify_result.pod
new file mode 100644
index 000000000..55b56a53f
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_verify_result.pod
@@ -0,0 +1,57 @@
+=pod
+
+=head1 NAME
+
+SSL_get_verify_result - get result of peer certificate verification
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ long SSL_get_verify_result(const SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_get_verify_result() returns the result of the verification of the
+X509 certificate presented by the peer, if any.
+
+=head1 NOTES
+
+SSL_get_verify_result() can only return one error code while the verification
+of a certificate can fail because of many reasons at the same time. Only
+the last verification error that occurred during the processing is available
+from SSL_get_verify_result().
+
+The verification result is part of the established session and is restored
+when a session is reused.
+
+=head1 BUGS
+
+If no peer certificate was presented, the returned result code is
+X509_V_OK. This is because no verification error occurred, it does however
+not indicate success. SSL_get_verify_result() is only useful in connection
+with L<SSL_get_peer_certificate(3)|SSL_get_peer_certificate(3)>.
+
+=head1 RETURN VALUES
+
+The following return values can currently occur:
+
+=over 4
+
+=item X509_V_OK
+
+The verification succeeded or no peer certificate was presented.
+
+=item Any other value
+
+Documented in L<verify(1)|verify(1)>.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_set_verify_result(3)|SSL_set_verify_result(3)>,
+L<SSL_get_peer_certificate(3)|SSL_get_peer_certificate(3)>,
+L<verify(1)|verify(1)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_get_version.pod b/openssl/doc/ssl/SSL_get_version.pod
new file mode 100644
index 000000000..cc271db2c
--- /dev/null
+++ b/openssl/doc/ssl/SSL_get_version.pod
@@ -0,0 +1,46 @@
+=pod
+
+=head1 NAME
+
+SSL_get_version - get the protocol version of a connection.
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ const char *SSL_get_version(const SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_get_cipher_version() returns the name of the protocol used for the
+connection B<ssl>.
+
+=head1 RETURN VALUES
+
+The following strings can occur:
+
+=over 4
+
+=item SSLv2
+
+The connection uses the SSLv2 protocol.
+
+=item SSLv3
+
+The connection uses the SSLv3 protocol.
+
+=item TLSv1
+
+The connection uses the TLSv1 protocol.
+
+=item unknown
+
+This indicates that no version has been set (no connection established).
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_library_init.pod b/openssl/doc/ssl/SSL_library_init.pod
new file mode 100644
index 000000000..ecf3c4858
--- /dev/null
+++ b/openssl/doc/ssl/SSL_library_init.pod
@@ -0,0 +1,52 @@
+=pod
+
+=head1 NAME
+
+SSL_library_init, OpenSSL_add_ssl_algorithms, SSLeay_add_ssl_algorithms
+- initialize SSL library by registering algorithms
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_library_init(void);
+ #define OpenSSL_add_ssl_algorithms() SSL_library_init()
+ #define SSLeay_add_ssl_algorithms() SSL_library_init()
+
+=head1 DESCRIPTION
+
+SSL_library_init() registers the available ciphers and digests.
+
+OpenSSL_add_ssl_algorithms() and SSLeay_add_ssl_algorithms() are synonyms
+for SSL_library_init().
+
+=head1 NOTES
+
+SSL_library_init() must be called before any other action takes place.
+
+=head1 WARNING
+
+SSL_library_init() only registers ciphers. Another important initialization
+is the seeding of the PRNG (Pseudo Random Number Generator), which has to
+be performed separately.
+
+=head1 EXAMPLES
+
+A typical TLS/SSL application will start with the library initialization,
+will provide readable error messages and will seed the PRNG.
+
+ SSL_load_error_strings(); /* readable error messages */
+ SSL_library_init(); /* initialize library */
+ actions_to_seed_PRNG();
+
+=head1 RETURN VALUES
+
+SSL_library_init() always returns "1", so it is safe to discard the return
+value.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_load_error_strings(3)|SSL_load_error_strings(3)>,
+L<RAND_add(3)|RAND_add(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_load_client_CA_file.pod b/openssl/doc/ssl/SSL_load_client_CA_file.pod
new file mode 100644
index 000000000..02527dc2e
--- /dev/null
+++ b/openssl/doc/ssl/SSL_load_client_CA_file.pod
@@ -0,0 +1,62 @@
+=pod
+
+=head1 NAME
+
+SSL_load_client_CA_file - load certificate names from file
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
+
+=head1 DESCRIPTION
+
+SSL_load_client_CA_file() reads certificates from B<file> and returns
+a STACK_OF(X509_NAME) with the subject names found.
+
+=head1 NOTES
+
+SSL_load_client_CA_file() reads a file of PEM formatted certificates and
+extracts the X509_NAMES of the certificates found. While the name suggests
+the specific usage as support function for
+L<SSL_CTX_set_client_CA_list(3)|SSL_CTX_set_client_CA_list(3)>,
+it is not limited to CA certificates.
+
+=head1 EXAMPLES
+
+Load names of CAs from file and use it as a client CA list:
+
+ SSL_CTX *ctx;
+ STACK_OF(X509_NAME) *cert_names;
+
+ ...
+ cert_names = SSL_load_client_CA_file("/path/to/CAfile.pem");
+ if (cert_names != NULL)
+ SSL_CTX_set_client_CA_list(ctx, cert_names);
+ else
+ error_handling();
+ ...
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item NULL
+
+The operation failed, check out the error stack for the reason.
+
+=item Pointer to STACK_OF(X509_NAME)
+
+Pointer to the subject names of the successfully read certificates.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>,
+L<SSL_CTX_set_client_CA_list(3)|SSL_CTX_set_client_CA_list(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_new.pod b/openssl/doc/ssl/SSL_new.pod
new file mode 100644
index 000000000..25300e978
--- /dev/null
+++ b/openssl/doc/ssl/SSL_new.pod
@@ -0,0 +1,44 @@
+=pod
+
+=head1 NAME
+
+SSL_new - create a new SSL structure for a connection
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ SSL *SSL_new(SSL_CTX *ctx);
+
+=head1 DESCRIPTION
+
+SSL_new() creates a new B<SSL> structure which is needed to hold the
+data for a TLS/SSL connection. The new structure inherits the settings
+of the underlying context B<ctx>: connection method (SSLv2/v3/TLSv1),
+options, verification settings, timeout settings.
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item NULL
+
+The creation of a new SSL structure failed. Check the error stack to
+find out the reason.
+
+=item Pointer to an SSL structure
+
+The return value points to an allocated SSL structure.
+
+=back
+
+=head1 SEE ALSO
+
+L<SSL_free(3)|SSL_free(3)>, L<SSL_clear(3)|SSL_clear(3)>,
+L<SSL_CTX_set_options(3)|SSL_CTX_set_options(3)>,
+L<SSL_get_SSL_CTX(3)|SSL_get_SSL_CTX(3)>,
+L<ssl(3)|ssl(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_pending.pod b/openssl/doc/ssl/SSL_pending.pod
new file mode 100644
index 000000000..43f2874e8
--- /dev/null
+++ b/openssl/doc/ssl/SSL_pending.pod
@@ -0,0 +1,43 @@
+=pod
+
+=head1 NAME
+
+SSL_pending - obtain number of readable bytes buffered in an SSL object
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_pending(const SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_pending() returns the number of bytes which are available inside
+B<ssl> for immediate read.
+
+=head1 NOTES
+
+Data are received in blocks from the peer. Therefore data can be buffered
+inside B<ssl> and are ready for immediate retrieval with
+L<SSL_read(3)|SSL_read(3)>.
+
+=head1 RETURN VALUES
+
+The number of bytes pending is returned.
+
+=head1 BUGS
+
+SSL_pending() takes into account only bytes from the TLS/SSL record
+that is currently being processed (if any). If the B<SSL> object's
+I<read_ahead> flag is set, additional protocol bytes may have been
+read containing more TLS/SSL records; these are ignored by
+SSL_pending().
+
+Up to OpenSSL 0.9.6, SSL_pending() does not check if the record type
+of pending data is application data.
+
+=head1 SEE ALSO
+
+L<SSL_read(3)|SSL_read(3)>, L<ssl(3)|ssl(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_read.pod b/openssl/doc/ssl/SSL_read.pod
new file mode 100644
index 000000000..7038cd2d7
--- /dev/null
+++ b/openssl/doc/ssl/SSL_read.pod
@@ -0,0 +1,124 @@
+=pod
+
+=head1 NAME
+
+SSL_read - read bytes from a TLS/SSL connection.
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_read(SSL *ssl, void *buf, int num);
+
+=head1 DESCRIPTION
+
+SSL_read() tries to read B<num> bytes from the specified B<ssl> into the
+buffer B<buf>.
+
+=head1 NOTES
+
+If necessary, SSL_read() will negotiate a TLS/SSL session, if
+not already explicitly performed by L<SSL_connect(3)|SSL_connect(3)> or
+L<SSL_accept(3)|SSL_accept(3)>. If the
+peer requests a re-negotiation, it will be performed transparently during
+the SSL_read() operation. The behaviour of SSL_read() depends on the
+underlying BIO.
+
+For the transparent negotiation to succeed, the B<ssl> must have been
+initialized to client or server mode. This is being done by calling
+L<SSL_set_connect_state(3)|SSL_set_connect_state(3)> or SSL_set_accept_state()
+before the first call to an SSL_read() or L<SSL_write(3)|SSL_write(3)>
+function.
+
+SSL_read() works based on the SSL/TLS records. The data are received in
+records (with a maximum record size of 16kB for SSLv3/TLSv1). Only when a
+record has been completely received, it can be processed (decryption and
+check of integrity). Therefore data that was not retrieved at the last
+call of SSL_read() can still be buffered inside the SSL layer and will be
+retrieved on the next call to SSL_read(). If B<num> is higher than the
+number of bytes buffered, SSL_read() will return with the bytes buffered.
+If no more bytes are in the buffer, SSL_read() will trigger the processing
+of the next record. Only when the record has been received and processed
+completely, SSL_read() will return reporting success. At most the contents
+of the record will be returned. As the size of an SSL/TLS record may exceed
+the maximum packet size of the underlying transport (e.g. TCP), it may
+be necessary to read several packets from the transport layer before the
+record is complete and SSL_read() can succeed.
+
+If the underlying BIO is B<blocking>, SSL_read() will only return, once the
+read operation has been finished or an error occurred, except when a
+renegotiation take place, in which case a SSL_ERROR_WANT_READ may occur.
+This behaviour can be controlled with the SSL_MODE_AUTO_RETRY flag of the
+L<SSL_CTX_set_mode(3)|SSL_CTX_set_mode(3)> call.
+
+If the underlying BIO is B<non-blocking>, SSL_read() will also return
+when the underlying BIO could not satisfy the needs of SSL_read()
+to continue the operation. In this case a call to
+L<SSL_get_error(3)|SSL_get_error(3)> with the
+return value of SSL_read() will yield B<SSL_ERROR_WANT_READ> or
+B<SSL_ERROR_WANT_WRITE>. As at any time a re-negotiation is possible, a
+call to SSL_read() can also cause write operations! The calling process
+then must repeat the call after taking appropriate action to satisfy the
+needs of SSL_read(). The action depends on the underlying BIO. When using a
+non-blocking socket, nothing is to be done, but select() can be used to check
+for the required condition. When using a buffering BIO, like a BIO pair, data
+must be written into or retrieved out of the BIO before being able to continue.
+
+L<SSL_pending(3)|SSL_pending(3)> can be used to find out whether there
+are buffered bytes available for immediate retrieval. In this case
+SSL_read() can be called without blocking or actually receiving new
+data from the underlying socket.
+
+=head1 WARNING
+
+When an SSL_read() operation has to be repeated because of
+B<SSL_ERROR_WANT_READ> or B<SSL_ERROR_WANT_WRITE>, it must be repeated
+with the same arguments.
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item E<gt>0
+
+The read operation was successful; the return value is the number of
+bytes actually read from the TLS/SSL connection.
+
+=item 0
+
+The read operation was not successful. The reason may either be a clean
+shutdown due to a "close notify" alert sent by the peer (in which case
+the SSL_RECEIVED_SHUTDOWN flag in the ssl shutdown state is set
+(see L<SSL_shutdown(3)|SSL_shutdown(3)>,
+L<SSL_set_shutdown(3)|SSL_set_shutdown(3)>). It is also possible, that
+the peer simply shut down the underlying transport and the shutdown is
+incomplete. Call SSL_get_error() with the return value B<ret> to find out,
+whether an error occurred or the connection was shut down cleanly
+(SSL_ERROR_ZERO_RETURN).
+
+SSLv2 (deprecated) does not support a shutdown alert protocol, so it can
+only be detected, whether the underlying connection was closed. It cannot
+be checked, whether the closure was initiated by the peer or by something
+else.
+
+=item E<lt>0
+
+The read operation was not successful, because either an error occurred
+or action must be taken by the calling process. Call SSL_get_error() with the
+return value B<ret> to find out the reason.
+
+=back
+
+=head1 SEE ALSO
+
+L<SSL_get_error(3)|SSL_get_error(3)>, L<SSL_write(3)|SSL_write(3)>,
+L<SSL_CTX_set_mode(3)|SSL_CTX_set_mode(3)>, L<SSL_CTX_new(3)|SSL_CTX_new(3)>,
+L<SSL_connect(3)|SSL_connect(3)>, L<SSL_accept(3)|SSL_accept(3)>
+L<SSL_set_connect_state(3)|SSL_set_connect_state(3)>,
+L<SSL_pending(3)|SSL_pending(3)>,
+L<SSL_shutdown(3)|SSL_shutdown(3)>, L<SSL_set_shutdown(3)|SSL_set_shutdown(3)>,
+L<ssl(3)|ssl(3)>, L<bio(3)|bio(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_rstate_string.pod b/openssl/doc/ssl/SSL_rstate_string.pod
new file mode 100644
index 000000000..bdb8a1fcd
--- /dev/null
+++ b/openssl/doc/ssl/SSL_rstate_string.pod
@@ -0,0 +1,59 @@
+=pod
+
+=head1 NAME
+
+SSL_rstate_string, SSL_rstate_string_long - get textual description of state of an SSL object during read operation
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ const char *SSL_rstate_string(SSL *ssl);
+ const char *SSL_rstate_string_long(SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_rstate_string() returns a 2 letter string indicating the current read state
+of the SSL object B<ssl>.
+
+SSL_rstate_string_long() returns a string indicating the current read state of
+the SSL object B<ssl>.
+
+=head1 NOTES
+
+When performing a read operation, the SSL/TLS engine must parse the record,
+consisting of header and body. When working in a blocking environment,
+SSL_rstate_string[_long]() should always return "RD"/"read done".
+
+This function should only seldom be needed in applications.
+
+=head1 RETURN VALUES
+
+SSL_rstate_string() and SSL_rstate_string_long() can return the following
+values:
+
+=over 4
+
+=item "RH"/"read header"
+
+The header of the record is being evaluated.
+
+=item "RB"/"read body"
+
+The body of the record is being evaluated.
+
+=item "RD"/"read done"
+
+The record has been completely processed.
+
+=item "unknown"/"unknown"
+
+The read state is unknown. This should never happen.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_session_reused.pod b/openssl/doc/ssl/SSL_session_reused.pod
new file mode 100644
index 000000000..da7d06264
--- /dev/null
+++ b/openssl/doc/ssl/SSL_session_reused.pod
@@ -0,0 +1,45 @@
+=pod
+
+=head1 NAME
+
+SSL_session_reused - query whether a reused session was negotiated during handshake
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_session_reused(SSL *ssl);
+
+=head1 DESCRIPTION
+
+Query, whether a reused session was negotiated during the handshake.
+
+=head1 NOTES
+
+During the negotiation, a client can propose to reuse a session. The server
+then looks up the session in its cache. If both client and server agree
+on the session, it will be reused and a flag is being set that can be
+queried by the application.
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item 0
+
+A new session was negotiated.
+
+=item 1
+
+A session was reused.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_set_session(3)|SSL_set_session(3)>,
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_set_bio.pod b/openssl/doc/ssl/SSL_set_bio.pod
new file mode 100644
index 000000000..67c9756d3
--- /dev/null
+++ b/openssl/doc/ssl/SSL_set_bio.pod
@@ -0,0 +1,34 @@
+=pod
+
+=head1 NAME
+
+SSL_set_bio - connect the SSL object with a BIO
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_set_bio(SSL *ssl, BIO *rbio, BIO *wbio);
+
+=head1 DESCRIPTION
+
+SSL_set_bio() connects the BIOs B<rbio> and B<wbio> for the read and write
+operations of the TLS/SSL (encrypted) side of B<ssl>.
+
+The SSL engine inherits the behaviour of B<rbio> and B<wbio>, respectively.
+If a BIO is non-blocking, the B<ssl> will also have non-blocking behaviour.
+
+If there was already a BIO connected to B<ssl>, BIO_free() will be called
+(for both the reading and writing side, if different).
+
+=head1 RETURN VALUES
+
+SSL_set_bio() cannot fail.
+
+=head1 SEE ALSO
+
+L<SSL_get_rbio(3)|SSL_get_rbio(3)>,
+L<SSL_connect(3)|SSL_connect(3)>, L<SSL_accept(3)|SSL_accept(3)>,
+L<SSL_shutdown(3)|SSL_shutdown(3)>, L<ssl(3)|ssl(3)>, L<bio(3)|bio(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_set_connect_state.pod b/openssl/doc/ssl/SSL_set_connect_state.pod
new file mode 100644
index 000000000..d88a057de
--- /dev/null
+++ b/openssl/doc/ssl/SSL_set_connect_state.pod
@@ -0,0 +1,55 @@
+=pod
+
+=head1 NAME
+
+SSL_set_connect_state, SSL_get_accept_state - prepare SSL object to work in client or server mode
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_set_connect_state(SSL *ssl);
+
+ void SSL_set_accept_state(SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_set_connect_state() sets B<ssl> to work in client mode.
+
+SSL_set_accept_state() sets B<ssl> to work in server mode.
+
+=head1 NOTES
+
+When the SSL_CTX object was created with L<SSL_CTX_new(3)|SSL_CTX_new(3)>,
+it was either assigned a dedicated client method, a dedicated server
+method, or a generic method, that can be used for both client and
+server connections. (The method might have been changed with
+L<SSL_CTX_set_ssl_version(3)|SSL_CTX_set_ssl_version(3)> or
+SSL_set_ssl_method().)
+
+When beginning a new handshake, the SSL engine must know whether it must
+call the connect (client) or accept (server) routines. Even though it may
+be clear from the method chosen, whether client or server mode was
+requested, the handshake routines must be explicitly set.
+
+When using the L<SSL_connect(3)|SSL_connect(3)> or
+L<SSL_accept(3)|SSL_accept(3)> routines, the correct handshake
+routines are automatically set. When performing a transparent negotiation
+using L<SSL_write(3)|SSL_write(3)> or L<SSL_read(3)|SSL_read(3)>, the
+handshake routines must be explicitly set in advance using either
+SSL_set_connect_state() or SSL_set_accept_state().
+
+=head1 RETURN VALUES
+
+SSL_set_connect_state() and SSL_set_accept_state() do not return diagnostic
+information.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_new(3)|SSL_new(3)>, L<SSL_CTX_new(3)|SSL_CTX_new(3)>,
+L<SSL_connect(3)|SSL_connect(3)>, L<SSL_accept(3)|SSL_accept(3)>,
+L<SSL_write(3)|SSL_write(3)>, L<SSL_read(3)|SSL_read(3)>,
+L<SSL_do_handshake(3)|SSL_do_handshake(3)>,
+L<SSL_CTX_set_ssl_version(3)|SSL_CTX_set_ssl_version(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_set_fd.pod b/openssl/doc/ssl/SSL_set_fd.pod
new file mode 100644
index 000000000..70291128f
--- /dev/null
+++ b/openssl/doc/ssl/SSL_set_fd.pod
@@ -0,0 +1,54 @@
+=pod
+
+=head1 NAME
+
+SSL_set_fd - connect the SSL object with a file descriptor
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_set_fd(SSL *ssl, int fd);
+ int SSL_set_rfd(SSL *ssl, int fd);
+ int SSL_set_wfd(SSL *ssl, int fd);
+
+=head1 DESCRIPTION
+
+SSL_set_fd() sets the file descriptor B<fd> as the input/output facility
+for the TLS/SSL (encrypted) side of B<ssl>. B<fd> will typically be the
+socket file descriptor of a network connection.
+
+When performing the operation, a B<socket BIO> is automatically created to
+interface between the B<ssl> and B<fd>. The BIO and hence the SSL engine
+inherit the behaviour of B<fd>. If B<fd> is non-blocking, the B<ssl> will
+also have non-blocking behaviour.
+
+If there was already a BIO connected to B<ssl>, BIO_free() will be called
+(for both the reading and writing side, if different).
+
+SSL_set_rfd() and SSL_set_wfd() perform the respective action, but only
+for the read channel or the write channel, which can be set independently.
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item 0
+
+The operation failed. Check the error stack to find out why.
+
+=item 1
+
+The operation succeeded.
+
+=back
+
+=head1 SEE ALSO
+
+L<SSL_get_fd(3)|SSL_get_fd(3)>, L<SSL_set_bio(3)|SSL_set_bio(3)>,
+L<SSL_connect(3)|SSL_connect(3)>, L<SSL_accept(3)|SSL_accept(3)>,
+L<SSL_shutdown(3)|SSL_shutdown(3)>, L<ssl(3)|ssl(3)> , L<bio(3)|bio(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_set_session.pod b/openssl/doc/ssl/SSL_set_session.pod
new file mode 100644
index 000000000..5f54714ad
--- /dev/null
+++ b/openssl/doc/ssl/SSL_set_session.pod
@@ -0,0 +1,57 @@
+=pod
+
+=head1 NAME
+
+SSL_set_session - set a TLS/SSL session to be used during TLS/SSL connect
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_set_session(SSL *ssl, SSL_SESSION *session);
+
+=head1 DESCRIPTION
+
+SSL_set_session() sets B<session> to be used when the TLS/SSL connection
+is to be established. SSL_set_session() is only useful for TLS/SSL clients.
+When the session is set, the reference count of B<session> is incremented
+by 1. If the session is not reused, the reference count is decremented
+again during SSL_connect(). Whether the session was reused can be queried
+with the L<SSL_session_reused(3)|SSL_session_reused(3)> call.
+
+If there is already a session set inside B<ssl> (because it was set with
+SSL_set_session() before or because the same B<ssl> was already used for
+a connection), SSL_SESSION_free() will be called for that session.
+
+=head1 NOTES
+
+SSL_SESSION objects keep internal link information about the session cache
+list, when being inserted into one SSL_CTX object's session cache.
+One SSL_SESSION object, regardless of its reference count, must therefore
+only be used with one SSL_CTX object (and the SSL objects created
+from this SSL_CTX object).
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item 0
+
+The operation failed; check the error stack to find out the reason.
+
+=item 1
+
+The operation succeeded.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_SESSION_free(3)|SSL_SESSION_free(3)>,
+L<SSL_get_session(3)|SSL_get_session(3)>,
+L<SSL_session_reused(3)|SSL_session_reused(3)>,
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_set_shutdown.pod b/openssl/doc/ssl/SSL_set_shutdown.pod
new file mode 100644
index 000000000..011a022a1
--- /dev/null
+++ b/openssl/doc/ssl/SSL_set_shutdown.pod
@@ -0,0 +1,72 @@
+=pod
+
+=head1 NAME
+
+SSL_set_shutdown, SSL_get_shutdown - manipulate shutdown state of an SSL connection
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_set_shutdown(SSL *ssl, int mode);
+
+ int SSL_get_shutdown(const SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_set_shutdown() sets the shutdown state of B<ssl> to B<mode>.
+
+SSL_get_shutdown() returns the shutdown mode of B<ssl>.
+
+=head1 NOTES
+
+The shutdown state of an ssl connection is a bitmask of:
+
+=over 4
+
+=item 0
+
+No shutdown setting, yet.
+
+=item SSL_SENT_SHUTDOWN
+
+A "close notify" shutdown alert was sent to the peer, the connection is being
+considered closed and the session is closed and correct.
+
+=item SSL_RECEIVED_SHUTDOWN
+
+A shutdown alert was received form the peer, either a normal "close notify"
+or a fatal error.
+
+=back
+
+SSL_SENT_SHUTDOWN and SSL_RECEIVED_SHUTDOWN can be set at the same time.
+
+The shutdown state of the connection is used to determine the state of
+the ssl session. If the session is still open, when
+L<SSL_clear(3)|SSL_clear(3)> or L<SSL_free(3)|SSL_free(3)> is called,
+it is considered bad and removed according to RFC2246.
+The actual condition for a correctly closed session is SSL_SENT_SHUTDOWN
+(according to the TLS RFC, it is acceptable to only send the "close notify"
+alert but to not wait for the peer's answer, when the underlying connection
+is closed).
+SSL_set_shutdown() can be used to set this state without sending a
+close alert to the peer (see L<SSL_shutdown(3)|SSL_shutdown(3)>).
+
+If a "close notify" was received, SSL_RECEIVED_SHUTDOWN will be set,
+for setting SSL_SENT_SHUTDOWN the application must however still call
+L<SSL_shutdown(3)|SSL_shutdown(3)> or SSL_set_shutdown() itself.
+
+=head1 RETURN VALUES
+
+SSL_set_shutdown() does not return diagnostic information.
+
+SSL_get_shutdown() returns the current setting.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_shutdown(3)|SSL_shutdown(3)>,
+L<SSL_CTX_set_quiet_shutdown(3)|SSL_CTX_set_quiet_shutdown(3)>,
+L<SSL_clear(3)|SSL_clear(3)>, L<SSL_free(3)|SSL_free(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_set_verify_result.pod b/openssl/doc/ssl/SSL_set_verify_result.pod
new file mode 100644
index 000000000..04ab101aa
--- /dev/null
+++ b/openssl/doc/ssl/SSL_set_verify_result.pod
@@ -0,0 +1,38 @@
+=pod
+
+=head1 NAME
+
+SSL_set_verify_result - override result of peer certificate verification
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ void SSL_set_verify_result(SSL *ssl, long verify_result);
+
+=head1 DESCRIPTION
+
+SSL_set_verify_result() sets B<verify_result> of the object B<ssl> to be the
+result of the verification of the X509 certificate presented by the peer,
+if any.
+
+=head1 NOTES
+
+SSL_set_verify_result() overrides the verification result. It only changes
+the verification result of the B<ssl> object. It does not become part of the
+established session, so if the session is to be reused later, the original
+value will reappear.
+
+The valid codes for B<verify_result> are documented in L<verify(1)|verify(1)>.
+
+=head1 RETURN VALUES
+
+SSL_set_verify_result() does not provide a return value.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_get_verify_result(3)|SSL_get_verify_result(3)>,
+L<SSL_get_peer_certificate(3)|SSL_get_peer_certificate(3)>,
+L<verify(1)|verify(1)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_shutdown.pod b/openssl/doc/ssl/SSL_shutdown.pod
new file mode 100644
index 000000000..89911acbc
--- /dev/null
+++ b/openssl/doc/ssl/SSL_shutdown.pod
@@ -0,0 +1,125 @@
+=pod
+
+=head1 NAME
+
+SSL_shutdown - shut down a TLS/SSL connection
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_shutdown(SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_shutdown() shuts down an active TLS/SSL connection. It sends the
+"close notify" shutdown alert to the peer.
+
+=head1 NOTES
+
+SSL_shutdown() tries to send the "close notify" shutdown alert to the peer.
+Whether the operation succeeds or not, the SSL_SENT_SHUTDOWN flag is set and
+a currently open session is considered closed and good and will be kept in the
+session cache for further reuse.
+
+The shutdown procedure consists of 2 steps: the sending of the "close notify"
+shutdown alert and the reception of the peer's "close notify" shutdown
+alert. According to the TLS standard, it is acceptable for an application
+to only send its shutdown alert and then close the underlying connection
+without waiting for the peer's response (this way resources can be saved,
+as the process can already terminate or serve another connection).
+When the underlying connection shall be used for more communications, the
+complete shutdown procedure (bidirectional "close notify" alerts) must be
+performed, so that the peers stay synchronized.
+
+SSL_shutdown() supports both uni- and bidirectional shutdown by its 2 step
+behaviour.
+
+=over 4
+
+=item When the application is the first party to send the "close notify"
+alert, SSL_shutdown() will only send the alert and then set the
+SSL_SENT_SHUTDOWN flag (so that the session is considered good and will
+be kept in cache). SSL_shutdown() will then return with 0. If a unidirectional
+shutdown is enough (the underlying connection shall be closed anyway), this
+first call to SSL_shutdown() is sufficient. In order to complete the
+bidirectional shutdown handshake, SSL_shutdown() must be called again.
+The second call will make SSL_shutdown() wait for the peer's "close notify"
+shutdown alert. On success, the second call to SSL_shutdown() will return
+with 1.
+
+=item If the peer already sent the "close notify" alert B<and> it was
+already processed implicitly inside another function
+(L<SSL_read(3)|SSL_read(3)>), the SSL_RECEIVED_SHUTDOWN flag is set.
+SSL_shutdown() will send the "close notify" alert, set the SSL_SENT_SHUTDOWN
+flag and will immediately return with 1.
+Whether SSL_RECEIVED_SHUTDOWN is already set can be checked using the
+SSL_get_shutdown() (see also L<SSL_set_shutdown(3)|SSL_set_shutdown(3)> call.
+
+=back
+
+It is therefore recommended, to check the return value of SSL_shutdown()
+and call SSL_shutdown() again, if the bidirectional shutdown is not yet
+complete (return value of the first call is 0). As the shutdown is not
+specially handled in the SSLv2 protocol, SSL_shutdown() will succeed on
+the first call.
+
+The behaviour of SSL_shutdown() additionally depends on the underlying BIO.
+
+If the underlying BIO is B<blocking>, SSL_shutdown() will only return once the
+handshake step has been finished or an error occurred.
+
+If the underlying BIO is B<non-blocking>, SSL_shutdown() will also return
+when the underlying BIO could not satisfy the needs of SSL_shutdown()
+to continue the handshake. In this case a call to SSL_get_error() with the
+return value of SSL_shutdown() will yield B<SSL_ERROR_WANT_READ> or
+B<SSL_ERROR_WANT_WRITE>. The calling process then must repeat the call after
+taking appropriate action to satisfy the needs of SSL_shutdown().
+The action depends on the underlying BIO. When using a non-blocking socket,
+nothing is to be done, but select() can be used to check for the required
+condition. When using a buffering BIO, like a BIO pair, data must be written
+into or retrieved out of the BIO before being able to continue.
+
+SSL_shutdown() can be modified to only set the connection to "shutdown"
+state but not actually send the "close notify" alert messages,
+see L<SSL_CTX_set_quiet_shutdown(3)|SSL_CTX_set_quiet_shutdown(3)>.
+When "quiet shutdown" is enabled, SSL_shutdown() will always succeed
+and return 1.
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item 1
+
+The shutdown was successfully completed. The "close notify" alert was sent
+and the peer's "close notify" alert was received.
+
+=item 0
+
+The shutdown is not yet finished. Call SSL_shutdown() for a second time,
+if a bidirectional shutdown shall be performed.
+The output of L<SSL_get_error(3)|SSL_get_error(3)> may be misleading, as an
+erroneous SSL_ERROR_SYSCALL may be flagged even though no error occurred.
+
+=item -1
+
+The shutdown was not successful because a fatal error occurred either
+at the protocol level or a connection failure occurred. It can also occur if
+action is need to continue the operation for non-blocking BIOs.
+Call L<SSL_get_error(3)|SSL_get_error(3)> with the return value B<ret>
+to find out the reason.
+
+=back
+
+=head1 SEE ALSO
+
+L<SSL_get_error(3)|SSL_get_error(3)>, L<SSL_connect(3)|SSL_connect(3)>,
+L<SSL_accept(3)|SSL_accept(3)>, L<SSL_set_shutdown(3)|SSL_set_shutdown(3)>,
+L<SSL_CTX_set_quiet_shutdown(3)|SSL_CTX_set_quiet_shutdown(3)>,
+L<SSL_clear(3)|SSL_clear(3)>, L<SSL_free(3)|SSL_free(3)>,
+L<ssl(3)|ssl(3)>, L<bio(3)|bio(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_state_string.pod b/openssl/doc/ssl/SSL_state_string.pod
new file mode 100644
index 000000000..fe25d47c7
--- /dev/null
+++ b/openssl/doc/ssl/SSL_state_string.pod
@@ -0,0 +1,45 @@
+=pod
+
+=head1 NAME
+
+SSL_state_string, SSL_state_string_long - get textual description of state of an SSL object
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ const char *SSL_state_string(const SSL *ssl);
+ const char *SSL_state_string_long(const SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_state_string() returns a 6 letter string indicating the current state
+of the SSL object B<ssl>.
+
+SSL_state_string_long() returns a string indicating the current state of
+the SSL object B<ssl>.
+
+=head1 NOTES
+
+During its use, an SSL objects passes several states. The state is internally
+maintained. Querying the state information is not very informative before
+or when a connection has been established. It however can be of significant
+interest during the handshake.
+
+When using non-blocking sockets, the function call performing the handshake
+may return with SSL_ERROR_WANT_READ or SSL_ERROR_WANT_WRITE condition,
+so that SSL_state_string[_long]() may be called.
+
+For both blocking or non-blocking sockets, the details state information
+can be used within the info_callback function set with the
+SSL_set_info_callback() call.
+
+=head1 RETURN VALUES
+
+Detailed description of possible states to be included later.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_CTX_set_info_callback(3)|SSL_CTX_set_info_callback(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_want.pod b/openssl/doc/ssl/SSL_want.pod
new file mode 100644
index 000000000..c0059c0d4
--- /dev/null
+++ b/openssl/doc/ssl/SSL_want.pod
@@ -0,0 +1,77 @@
+=pod
+
+=head1 NAME
+
+SSL_want, SSL_want_nothing, SSL_want_read, SSL_want_write, SSL_want_x509_lookup - obtain state information TLS/SSL I/O operation
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_want(const SSL *ssl);
+ int SSL_want_nothing(const SSL *ssl);
+ int SSL_want_read(const SSL *ssl);
+ int SSL_want_write(const SSL *ssl);
+ int SSL_want_x509_lookup(const SSL *ssl);
+
+=head1 DESCRIPTION
+
+SSL_want() returns state information for the SSL object B<ssl>.
+
+The other SSL_want_*() calls are shortcuts for the possible states returned
+by SSL_want().
+
+=head1 NOTES
+
+SSL_want() examines the internal state information of the SSL object. Its
+return values are similar to that of L<SSL_get_error(3)|SSL_get_error(3)>.
+Unlike L<SSL_get_error(3)|SSL_get_error(3)>, which also evaluates the
+error queue, the results are obtained by examining an internal state flag
+only. The information must therefore only be used for normal operation under
+non-blocking I/O. Error conditions are not handled and must be treated
+using L<SSL_get_error(3)|SSL_get_error(3)>.
+
+The result returned by SSL_want() should always be consistent with
+the result of L<SSL_get_error(3)|SSL_get_error(3)>.
+
+=head1 RETURN VALUES
+
+The following return values can currently occur for SSL_want():
+
+=over 4
+
+=item SSL_NOTHING
+
+There is no data to be written or to be read.
+
+=item SSL_WRITING
+
+There are data in the SSL buffer that must be written to the underlying
+B<BIO> layer in order to complete the actual SSL_*() operation.
+A call to L<SSL_get_error(3)|SSL_get_error(3)> should return
+SSL_ERROR_WANT_WRITE.
+
+=item SSL_READING
+
+More data must be read from the underlying B<BIO> layer in order to
+complete the actual SSL_*() operation.
+A call to L<SSL_get_error(3)|SSL_get_error(3)> should return
+SSL_ERROR_WANT_READ.
+
+=item SSL_X509_LOOKUP
+
+The operation did not complete because an application callback set by
+SSL_CTX_set_client_cert_cb() has asked to be called again.
+A call to L<SSL_get_error(3)|SSL_get_error(3)> should return
+SSL_ERROR_WANT_X509_LOOKUP.
+
+=back
+
+SSL_want_nothing(), SSL_want_read(), SSL_want_write(), SSL_want_x509_lookup()
+return 1, when the corresponding condition is true or 0 otherwise.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<err(3)|err(3)>, L<SSL_get_error(3)|SSL_get_error(3)>
+
+=cut
diff --git a/openssl/doc/ssl/SSL_write.pod b/openssl/doc/ssl/SSL_write.pod
new file mode 100644
index 000000000..e013c12d5
--- /dev/null
+++ b/openssl/doc/ssl/SSL_write.pod
@@ -0,0 +1,109 @@
+=pod
+
+=head1 NAME
+
+SSL_write - write bytes to a TLS/SSL connection.
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_write(SSL *ssl, const void *buf, int num);
+
+=head1 DESCRIPTION
+
+SSL_write() writes B<num> bytes from the buffer B<buf> into the specified
+B<ssl> connection.
+
+=head1 NOTES
+
+If necessary, SSL_write() will negotiate a TLS/SSL session, if
+not already explicitly performed by L<SSL_connect(3)|SSL_connect(3)> or
+L<SSL_accept(3)|SSL_accept(3)>. If the
+peer requests a re-negotiation, it will be performed transparently during
+the SSL_write() operation. The behaviour of SSL_write() depends on the
+underlying BIO.
+
+For the transparent negotiation to succeed, the B<ssl> must have been
+initialized to client or server mode. This is being done by calling
+L<SSL_set_connect_state(3)|SSL_set_connect_state(3)> or SSL_set_accept_state()
+before the first call to an L<SSL_read(3)|SSL_read(3)> or SSL_write() function.
+
+If the underlying BIO is B<blocking>, SSL_write() will only return, once the
+write operation has been finished or an error occurred, except when a
+renegotiation take place, in which case a SSL_ERROR_WANT_READ may occur.
+This behaviour can be controlled with the SSL_MODE_AUTO_RETRY flag of the
+L<SSL_CTX_set_mode(3)|SSL_CTX_set_mode(3)> call.
+
+If the underlying BIO is B<non-blocking>, SSL_write() will also return,
+when the underlying BIO could not satisfy the needs of SSL_write()
+to continue the operation. In this case a call to
+L<SSL_get_error(3)|SSL_get_error(3)> with the
+return value of SSL_write() will yield B<SSL_ERROR_WANT_READ> or
+B<SSL_ERROR_WANT_WRITE>. As at any time a re-negotiation is possible, a
+call to SSL_write() can also cause read operations! The calling process
+then must repeat the call after taking appropriate action to satisfy the
+needs of SSL_write(). The action depends on the underlying BIO. When using a
+non-blocking socket, nothing is to be done, but select() can be used to check
+for the required condition. When using a buffering BIO, like a BIO pair, data
+must be written into or retrieved out of the BIO before being able to continue.
+
+SSL_write() will only return with success, when the complete contents
+of B<buf> of length B<num> has been written. This default behaviour
+can be changed with the SSL_MODE_ENABLE_PARTIAL_WRITE option of
+L<SSL_CTX_set_mode(3)|SSL_CTX_set_mode(3)>. When this flag is set,
+SSL_write() will also return with success, when a partial write has been
+successfully completed. In this case the SSL_write() operation is considered
+completed. The bytes are sent and a new SSL_write() operation with a new
+buffer (with the already sent bytes removed) must be started.
+A partial write is performed with the size of a message block, which is
+16kB for SSLv3/TLSv1.
+
+=head1 WARNING
+
+When an SSL_write() operation has to be repeated because of
+B<SSL_ERROR_WANT_READ> or B<SSL_ERROR_WANT_WRITE>, it must be repeated
+with the same arguments.
+
+When calling SSL_write() with num=0 bytes to be sent the behaviour is
+undefined.
+
+=head1 RETURN VALUES
+
+The following return values can occur:
+
+=over 4
+
+=item E<gt>0
+
+The write operation was successful, the return value is the number of
+bytes actually written to the TLS/SSL connection.
+
+=item 0
+
+The write operation was not successful. Probably the underlying connection
+was closed. Call SSL_get_error() with the return value B<ret> to find out,
+whether an error occurred or the connection was shut down cleanly
+(SSL_ERROR_ZERO_RETURN).
+
+SSLv2 (deprecated) does not support a shutdown alert protocol, so it can
+only be detected, whether the underlying connection was closed. It cannot
+be checked, why the closure happened.
+
+=item E<lt>0
+
+The write operation was not successful, because either an error occurred
+or action must be taken by the calling process. Call SSL_get_error() with the
+return value B<ret> to find out the reason.
+
+=back
+
+=head1 SEE ALSO
+
+L<SSL_get_error(3)|SSL_get_error(3)>, L<SSL_read(3)|SSL_read(3)>,
+L<SSL_CTX_set_mode(3)|SSL_CTX_set_mode(3)>, L<SSL_CTX_new(3)|SSL_CTX_new(3)>,
+L<SSL_connect(3)|SSL_connect(3)>, L<SSL_accept(3)|SSL_accept(3)>
+L<SSL_set_connect_state(3)|SSL_set_connect_state(3)>,
+L<ssl(3)|ssl(3)>, L<bio(3)|bio(3)>
+
+=cut
diff --git a/openssl/doc/ssl/d2i_SSL_SESSION.pod b/openssl/doc/ssl/d2i_SSL_SESSION.pod
new file mode 100644
index 000000000..81d276477
--- /dev/null
+++ b/openssl/doc/ssl/d2i_SSL_SESSION.pod
@@ -0,0 +1,66 @@
+=pod
+
+=head1 NAME
+
+d2i_SSL_SESSION, i2d_SSL_SESSION - convert SSL_SESSION object from/to ASN1 representation
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp, long length);
+ int i2d_SSL_SESSION(SSL_SESSION *in, unsigned char **pp);
+
+=head1 DESCRIPTION
+
+d2i_SSL_SESSION() transforms the external ASN1 representation of an SSL/TLS
+session, stored as binary data at location B<pp> with length B<length>, into
+an SSL_SESSION object.
+
+i2d_SSL_SESSION() transforms the SSL_SESSION object B<in> into the ASN1
+representation and stores it into the memory location pointed to by B<pp>.
+The length of the resulting ASN1 representation is returned. If B<pp> is
+the NULL pointer, only the length is calculated and returned.
+
+=head1 NOTES
+
+The SSL_SESSION object is built from several malloc()ed parts, it can
+therefore not be moved, copied or stored directly. In order to store
+session data on disk or into a database, it must be transformed into
+a binary ASN1 representation.
+
+When using d2i_SSL_SESSION(), the SSL_SESSION object is automatically
+allocated. The reference count is 1, so that the session must be
+explicitly removed using L<SSL_SESSION_free(3)|SSL_SESSION_free(3)>,
+unless the SSL_SESSION object is completely taken over, when being called
+inside the get_session_cb() (see
+L<SSL_CTX_sess_set_get_cb(3)|SSL_CTX_sess_set_get_cb(3)>).
+
+SSL_SESSION objects keep internal link information about the session cache
+list, when being inserted into one SSL_CTX object's session cache.
+One SSL_SESSION object, regardless of its reference count, must therefore
+only be used with one SSL_CTX object (and the SSL objects created
+from this SSL_CTX object).
+
+When using i2d_SSL_SESSION(), the memory location pointed to by B<pp> must be
+large enough to hold the binary representation of the session. There is no
+known limit on the size of the created ASN1 representation, so the necessary
+amount of space should be obtained by first calling i2d_SSL_SESSION() with
+B<pp=NULL>, and obtain the size needed, then allocate the memory and
+call i2d_SSL_SESSION() again.
+
+=head1 RETURN VALUES
+
+d2i_SSL_SESSION() returns a pointer to the newly allocated SSL_SESSION
+object. In case of failure the NULL-pointer is returned and the error message
+can be retrieved from the error stack.
+
+i2d_SSL_SESSION() returns the size of the ASN1 representation in bytes.
+When the session is not valid, B<0> is returned and no operation is performed.
+
+=head1 SEE ALSO
+
+L<ssl(3)|ssl(3)>, L<SSL_SESSION_free(3)|SSL_SESSION_free(3)>,
+L<SSL_CTX_sess_set_get_cb(3)|SSL_CTX_sess_set_get_cb(3)>
+
+=cut
diff --git a/openssl/doc/ssl/ssl.pod b/openssl/doc/ssl/ssl.pod
new file mode 100644
index 000000000..266697d22
--- /dev/null
+++ b/openssl/doc/ssl/ssl.pod
@@ -0,0 +1,736 @@
+
+=pod
+
+=head1 NAME
+
+SSL - OpenSSL SSL/TLS library
+
+=head1 SYNOPSIS
+
+=head1 DESCRIPTION
+
+The OpenSSL B<ssl> library implements the Secure Sockets Layer (SSL v2/v3) and
+Transport Layer Security (TLS v1) protocols. It provides a rich API which is
+documented here.
+
+At first the library must be initialized; see
+L<SSL_library_init(3)|SSL_library_init(3)>.
+
+Then an B<SSL_CTX> object is created as a framework to establish
+TLS/SSL enabled connections (see L<SSL_CTX_new(3)|SSL_CTX_new(3)>).
+Various options regarding certificates, algorithms etc. can be set
+in this object.
+
+When a network connection has been created, it can be assigned to an
+B<SSL> object. After the B<SSL> object has been created using
+L<SSL_new(3)|SSL_new(3)>, L<SSL_set_fd(3)|SSL_set_fd(3)> or
+L<SSL_set_bio(3)|SSL_set_bio(3)> can be used to associate the network
+connection with the object.
+
+Then the TLS/SSL handshake is performed using
+L<SSL_accept(3)|SSL_accept(3)> or L<SSL_connect(3)|SSL_connect(3)>
+respectively.
+L<SSL_read(3)|SSL_read(3)> and L<SSL_write(3)|SSL_write(3)> are used
+to read and write data on the TLS/SSL connection.
+L<SSL_shutdown(3)|SSL_shutdown(3)> can be used to shut down the
+TLS/SSL connection.
+
+=head1 DATA STRUCTURES
+
+Currently the OpenSSL B<ssl> library functions deals with the following data
+structures:
+
+=over 4
+
+=item B<SSL_METHOD> (SSL Method)
+
+That's a dispatch structure describing the internal B<ssl> library
+methods/functions which implement the various protocol versions (SSLv1, SSLv2
+and TLSv1). It's needed to create an B<SSL_CTX>.
+
+=item B<SSL_CIPHER> (SSL Cipher)
+
+This structure holds the algorithm information for a particular cipher which
+are a core part of the SSL/TLS protocol. The available ciphers are configured
+on a B<SSL_CTX> basis and the actually used ones are then part of the
+B<SSL_SESSION>.
+
+=item B<SSL_CTX> (SSL Context)
+
+That's the global context structure which is created by a server or client
+once per program life-time and which holds mainly default values for the
+B<SSL> structures which are later created for the connections.
+
+=item B<SSL_SESSION> (SSL Session)
+
+This is a structure containing the current TLS/SSL session details for a
+connection: B<SSL_CIPHER>s, client and server certificates, keys, etc.
+
+=item B<SSL> (SSL Connection)
+
+That's the main SSL/TLS structure which is created by a server or client per
+established connection. This actually is the core structure in the SSL API.
+Under run-time the application usually deals with this structure which has
+links to mostly all other structures.
+
+=back
+
+
+=head1 HEADER FILES
+
+Currently the OpenSSL B<ssl> library provides the following C header files
+containing the prototypes for the data structures and and functions:
+
+=over 4
+
+=item B<ssl.h>
+
+That's the common header file for the SSL/TLS API. Include it into your
+program to make the API of the B<ssl> library available. It internally
+includes both more private SSL headers and headers from the B<crypto> library.
+Whenever you need hard-core details on the internals of the SSL API, look
+inside this header file.
+
+=item B<ssl2.h>
+
+That's the sub header file dealing with the SSLv2 protocol only.
+I<Usually you don't have to include it explicitly because
+it's already included by ssl.h>.
+
+=item B<ssl3.h>
+
+That's the sub header file dealing with the SSLv3 protocol only.
+I<Usually you don't have to include it explicitly because
+it's already included by ssl.h>.
+
+=item B<ssl23.h>
+
+That's the sub header file dealing with the combined use of the SSLv2 and
+SSLv3 protocols.
+I<Usually you don't have to include it explicitly because
+it's already included by ssl.h>.
+
+=item B<tls1.h>
+
+That's the sub header file dealing with the TLSv1 protocol only.
+I<Usually you don't have to include it explicitly because
+it's already included by ssl.h>.
+
+=back
+
+=head1 API FUNCTIONS
+
+Currently the OpenSSL B<ssl> library exports 214 API functions.
+They are documented in the following:
+
+=head2 DEALING WITH PROTOCOL METHODS
+
+Here we document the various API functions which deal with the SSL/TLS
+protocol methods defined in B<SSL_METHOD> structures.
+
+=over 4
+
+=item SSL_METHOD *B<SSLv2_client_method>(void);
+
+Constructor for the SSLv2 SSL_METHOD structure for a dedicated client.
+
+=item SSL_METHOD *B<SSLv2_server_method>(void);
+
+Constructor for the SSLv2 SSL_METHOD structure for a dedicated server.
+
+=item SSL_METHOD *B<SSLv2_method>(void);
+
+Constructor for the SSLv2 SSL_METHOD structure for combined client and server.
+
+=item SSL_METHOD *B<SSLv3_client_method>(void);
+
+Constructor for the SSLv3 SSL_METHOD structure for a dedicated client.
+
+=item SSL_METHOD *B<SSLv3_server_method>(void);
+
+Constructor for the SSLv3 SSL_METHOD structure for a dedicated server.
+
+=item SSL_METHOD *B<SSLv3_method>(void);
+
+Constructor for the SSLv3 SSL_METHOD structure for combined client and server.
+
+=item SSL_METHOD *B<TLSv1_client_method>(void);
+
+Constructor for the TLSv1 SSL_METHOD structure for a dedicated client.
+
+=item SSL_METHOD *B<TLSv1_server_method>(void);
+
+Constructor for the TLSv1 SSL_METHOD structure for a dedicated server.
+
+=item SSL_METHOD *B<TLSv1_method>(void);
+
+Constructor for the TLSv1 SSL_METHOD structure for combined client and server.
+
+=back
+
+=head2 DEALING WITH CIPHERS
+
+Here we document the various API functions which deal with the SSL/TLS
+ciphers defined in B<SSL_CIPHER> structures.
+
+=over 4
+
+=item char *B<SSL_CIPHER_description>(SSL_CIPHER *cipher, char *buf, int len);
+
+Write a string to I<buf> (with a maximum size of I<len>) containing a human
+readable description of I<cipher>. Returns I<buf>.
+
+=item int B<SSL_CIPHER_get_bits>(SSL_CIPHER *cipher, int *alg_bits);
+
+Determine the number of bits in I<cipher>. Because of export crippled ciphers
+there are two bits: The bits the algorithm supports in general (stored to
+I<alg_bits>) and the bits which are actually used (the return value).
+
+=item const char *B<SSL_CIPHER_get_name>(SSL_CIPHER *cipher);
+
+Return the internal name of I<cipher> as a string. These are the various
+strings defined by the I<SSL2_TXT_xxx>, I<SSL3_TXT_xxx> and I<TLS1_TXT_xxx>
+definitions in the header files.
+
+=item char *B<SSL_CIPHER_get_version>(SSL_CIPHER *cipher);
+
+Returns a string like "C<TLSv1/SSLv3>" or "C<SSLv2>" which indicates the
+SSL/TLS protocol version to which I<cipher> belongs (i.e. where it was defined
+in the specification the first time).
+
+=back
+
+=head2 DEALING WITH PROTOCOL CONTEXTS
+
+Here we document the various API functions which deal with the SSL/TLS
+protocol context defined in the B<SSL_CTX> structure.
+
+=over 4
+
+=item int B<SSL_CTX_add_client_CA>(SSL_CTX *ctx, X509 *x);
+
+=item long B<SSL_CTX_add_extra_chain_cert>(SSL_CTX *ctx, X509 *x509);
+
+=item int B<SSL_CTX_add_session>(SSL_CTX *ctx, SSL_SESSION *c);
+
+=item int B<SSL_CTX_check_private_key>(const SSL_CTX *ctx);
+
+=item long B<SSL_CTX_ctrl>(SSL_CTX *ctx, int cmd, long larg, char *parg);
+
+=item void B<SSL_CTX_flush_sessions>(SSL_CTX *s, long t);
+
+=item void B<SSL_CTX_free>(SSL_CTX *a);
+
+=item char *B<SSL_CTX_get_app_data>(SSL_CTX *ctx);
+
+=item X509_STORE *B<SSL_CTX_get_cert_store>(SSL_CTX *ctx);
+
+=item STACK *B<SSL_CTX_get_client_CA_list>(const SSL_CTX *ctx);
+
+=item int (*B<SSL_CTX_get_client_cert_cb>(SSL_CTX *ctx))(SSL *ssl, X509 **x509, EVP_PKEY **pkey);
+
+=item char *B<SSL_CTX_get_ex_data>(const SSL_CTX *s, int idx);
+
+=item int B<SSL_CTX_get_ex_new_index>(long argl, char *argp, int (*new_func);(void), int (*dup_func)(void), void (*free_func)(void))
+
+=item void (*B<SSL_CTX_get_info_callback>(SSL_CTX *ctx))(SSL *ssl, int cb, int ret);
+
+=item int B<SSL_CTX_get_quiet_shutdown>(const SSL_CTX *ctx);
+
+=item int B<SSL_CTX_get_session_cache_mode>(SSL_CTX *ctx);
+
+=item long B<SSL_CTX_get_timeout>(const SSL_CTX *ctx);
+
+=item int (*B<SSL_CTX_get_verify_callback>(const SSL_CTX *ctx))(int ok, X509_STORE_CTX *ctx);
+
+=item int B<SSL_CTX_get_verify_mode>(SSL_CTX *ctx);
+
+=item int B<SSL_CTX_load_verify_locations>(SSL_CTX *ctx, char *CAfile, char *CApath);
+
+=item long B<SSL_CTX_need_tmp_RSA>(SSL_CTX *ctx);
+
+=item SSL_CTX *B<SSL_CTX_new>(SSL_METHOD *meth);
+
+=item int B<SSL_CTX_remove_session>(SSL_CTX *ctx, SSL_SESSION *c);
+
+=item int B<SSL_CTX_sess_accept>(SSL_CTX *ctx);
+
+=item int B<SSL_CTX_sess_accept_good>(SSL_CTX *ctx);
+
+=item int B<SSL_CTX_sess_accept_renegotiate>(SSL_CTX *ctx);
+
+=item int B<SSL_CTX_sess_cache_full>(SSL_CTX *ctx);
+
+=item int B<SSL_CTX_sess_cb_hits>(SSL_CTX *ctx);
+
+=item int B<SSL_CTX_sess_connect>(SSL_CTX *ctx);
+
+=item int B<SSL_CTX_sess_connect_good>(SSL_CTX *ctx);
+
+=item int B<SSL_CTX_sess_connect_renegotiate>(SSL_CTX *ctx);
+
+=item int B<SSL_CTX_sess_get_cache_size>(SSL_CTX *ctx);
+
+=item SSL_SESSION *(*B<SSL_CTX_sess_get_get_cb>(SSL_CTX *ctx))(SSL *ssl, unsigned char *data, int len, int *copy);
+
+=item int (*B<SSL_CTX_sess_get_new_cb>(SSL_CTX *ctx)(SSL *ssl, SSL_SESSION *sess);
+
+=item void (*B<SSL_CTX_sess_get_remove_cb>(SSL_CTX *ctx)(SSL_CTX *ctx, SSL_SESSION *sess);
+
+=item int B<SSL_CTX_sess_hits>(SSL_CTX *ctx);
+
+=item int B<SSL_CTX_sess_misses>(SSL_CTX *ctx);
+
+=item int B<SSL_CTX_sess_number>(SSL_CTX *ctx);
+
+=item void B<SSL_CTX_sess_set_cache_size>(SSL_CTX *ctx,t);
+
+=item void B<SSL_CTX_sess_set_get_cb>(SSL_CTX *ctx, SSL_SESSION *(*cb)(SSL *ssl, unsigned char *data, int len, int *copy));
+
+=item void B<SSL_CTX_sess_set_new_cb>(SSL_CTX *ctx, int (*cb)(SSL *ssl, SSL_SESSION *sess));
+
+=item void B<SSL_CTX_sess_set_remove_cb>(SSL_CTX *ctx, void (*cb)(SSL_CTX *ctx, SSL_SESSION *sess));
+
+=item int B<SSL_CTX_sess_timeouts>(SSL_CTX *ctx);
+
+=item LHASH *B<SSL_CTX_sessions>(SSL_CTX *ctx);
+
+=item void B<SSL_CTX_set_app_data>(SSL_CTX *ctx, void *arg);
+
+=item void B<SSL_CTX_set_cert_store>(SSL_CTX *ctx, X509_STORE *cs);
+
+=item void B<SSL_CTX_set_cert_verify_cb>(SSL_CTX *ctx, int (*cb)(), char *arg)
+
+=item int B<SSL_CTX_set_cipher_list>(SSL_CTX *ctx, char *str);
+
+=item void B<SSL_CTX_set_client_CA_list>(SSL_CTX *ctx, STACK *list);
+
+=item void B<SSL_CTX_set_client_cert_cb>(SSL_CTX *ctx, int (*cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey));
+
+=item void B<SSL_CTX_set_default_passwd_cb>(SSL_CTX *ctx, int (*cb);(void))
+
+=item void B<SSL_CTX_set_default_read_ahead>(SSL_CTX *ctx, int m);
+
+=item int B<SSL_CTX_set_default_verify_paths>(SSL_CTX *ctx);
+
+=item int B<SSL_CTX_set_ex_data>(SSL_CTX *s, int idx, char *arg);
+
+=item void B<SSL_CTX_set_info_callback>(SSL_CTX *ctx, void (*cb)(SSL *ssl, int cb, int ret));
+
+=item void B<SSL_CTX_set_msg_callback>(SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg));
+
+=item void B<SSL_CTX_set_msg_callback_arg>(SSL_CTX *ctx, void *arg);
+
+=item void B<SSL_CTX_set_options>(SSL_CTX *ctx, unsigned long op);
+
+=item void B<SSL_CTX_set_quiet_shutdown>(SSL_CTX *ctx, int mode);
+
+=item void B<SSL_CTX_set_session_cache_mode>(SSL_CTX *ctx, int mode);
+
+=item int B<SSL_CTX_set_ssl_version>(SSL_CTX *ctx, SSL_METHOD *meth);
+
+=item void B<SSL_CTX_set_timeout>(SSL_CTX *ctx, long t);
+
+=item long B<SSL_CTX_set_tmp_dh>(SSL_CTX* ctx, DH *dh);
+
+=item long B<SSL_CTX_set_tmp_dh_callback>(SSL_CTX *ctx, DH *(*cb)(void));
+
+=item long B<SSL_CTX_set_tmp_rsa>(SSL_CTX *ctx, RSA *rsa);
+
+=item SSL_CTX_set_tmp_rsa_callback
+
+C<long B<SSL_CTX_set_tmp_rsa_callback>(SSL_CTX *B<ctx>, RSA *(*B<cb>)(SSL *B<ssl>, int B<export>, int B<keylength>));>
+
+Sets the callback which will be called when a temporary private key is
+required. The B<C<export>> flag will be set if the reason for needing
+a temp key is that an export ciphersuite is in use, in which case,
+B<C<keylength>> will contain the required keylength in bits. Generate a key of
+appropriate size (using ???) and return it.
+
+=item SSL_set_tmp_rsa_callback
+
+long B<SSL_set_tmp_rsa_callback>(SSL *ssl, RSA *(*cb)(SSL *ssl, int export, int keylength));
+
+The same as B<SSL_CTX_set_tmp_rsa_callback>, except it operates on an SSL
+session instead of a context.
+
+=item void B<SSL_CTX_set_verify>(SSL_CTX *ctx, int mode, int (*cb);(void))
+
+=item int B<SSL_CTX_use_PrivateKey>(SSL_CTX *ctx, EVP_PKEY *pkey);
+
+=item int B<SSL_CTX_use_PrivateKey_ASN1>(int type, SSL_CTX *ctx, unsigned char *d, long len);
+
+=item int B<SSL_CTX_use_PrivateKey_file>(SSL_CTX *ctx, char *file, int type);
+
+=item int B<SSL_CTX_use_RSAPrivateKey>(SSL_CTX *ctx, RSA *rsa);
+
+=item int B<SSL_CTX_use_RSAPrivateKey_ASN1>(SSL_CTX *ctx, unsigned char *d, long len);
+
+=item int B<SSL_CTX_use_RSAPrivateKey_file>(SSL_CTX *ctx, char *file, int type);
+
+=item int B<SSL_CTX_use_certificate>(SSL_CTX *ctx, X509 *x);
+
+=item int B<SSL_CTX_use_certificate_ASN1>(SSL_CTX *ctx, int len, unsigned char *d);
+
+=item int B<SSL_CTX_use_certificate_file>(SSL_CTX *ctx, char *file, int type);
+
+=back
+
+=head2 DEALING WITH SESSIONS
+
+Here we document the various API functions which deal with the SSL/TLS
+sessions defined in the B<SSL_SESSION> structures.
+
+=over 4
+
+=item int B<SSL_SESSION_cmp>(const SSL_SESSION *a, const SSL_SESSION *b);
+
+=item void B<SSL_SESSION_free>(SSL_SESSION *ss);
+
+=item char *B<SSL_SESSION_get_app_data>(SSL_SESSION *s);
+
+=item char *B<SSL_SESSION_get_ex_data>(const SSL_SESSION *s, int idx);
+
+=item int B<SSL_SESSION_get_ex_new_index>(long argl, char *argp, int (*new_func);(void), int (*dup_func)(void), void (*free_func)(void))
+
+=item long B<SSL_SESSION_get_time>(const SSL_SESSION *s);
+
+=item long B<SSL_SESSION_get_timeout>(const SSL_SESSION *s);
+
+=item unsigned long B<SSL_SESSION_hash>(const SSL_SESSION *a);
+
+=item SSL_SESSION *B<SSL_SESSION_new>(void);
+
+=item int B<SSL_SESSION_print>(BIO *bp, const SSL_SESSION *x);
+
+=item int B<SSL_SESSION_print_fp>(FILE *fp, const SSL_SESSION *x);
+
+=item void B<SSL_SESSION_set_app_data>(SSL_SESSION *s, char *a);
+
+=item int B<SSL_SESSION_set_ex_data>(SSL_SESSION *s, int idx, char *arg);
+
+=item long B<SSL_SESSION_set_time>(SSL_SESSION *s, long t);
+
+=item long B<SSL_SESSION_set_timeout>(SSL_SESSION *s, long t);
+
+=back
+
+=head2 DEALING WITH CONNECTIONS
+
+Here we document the various API functions which deal with the SSL/TLS
+connection defined in the B<SSL> structure.
+
+=over 4
+
+=item int B<SSL_accept>(SSL *ssl);
+
+=item int B<SSL_add_dir_cert_subjects_to_stack>(STACK *stack, const char *dir);
+
+=item int B<SSL_add_file_cert_subjects_to_stack>(STACK *stack, const char *file);
+
+=item int B<SSL_add_client_CA>(SSL *ssl, X509 *x);
+
+=item char *B<SSL_alert_desc_string>(int value);
+
+=item char *B<SSL_alert_desc_string_long>(int value);
+
+=item char *B<SSL_alert_type_string>(int value);
+
+=item char *B<SSL_alert_type_string_long>(int value);
+
+=item int B<SSL_check_private_key>(const SSL *ssl);
+
+=item void B<SSL_clear>(SSL *ssl);
+
+=item long B<SSL_clear_num_renegotiations>(SSL *ssl);
+
+=item int B<SSL_connect>(SSL *ssl);
+
+=item void B<SSL_copy_session_id>(SSL *t, const SSL *f);
+
+=item long B<SSL_ctrl>(SSL *ssl, int cmd, long larg, char *parg);
+
+=item int B<SSL_do_handshake>(SSL *ssl);
+
+=item SSL *B<SSL_dup>(SSL *ssl);
+
+=item STACK *B<SSL_dup_CA_list>(STACK *sk);
+
+=item void B<SSL_free>(SSL *ssl);
+
+=item SSL_CTX *B<SSL_get_SSL_CTX>(const SSL *ssl);
+
+=item char *B<SSL_get_app_data>(SSL *ssl);
+
+=item X509 *B<SSL_get_certificate>(const SSL *ssl);
+
+=item const char *B<SSL_get_cipher>(const SSL *ssl);
+
+=item int B<SSL_get_cipher_bits>(const SSL *ssl, int *alg_bits);
+
+=item char *B<SSL_get_cipher_list>(const SSL *ssl, int n);
+
+=item char *B<SSL_get_cipher_name>(const SSL *ssl);
+
+=item char *B<SSL_get_cipher_version>(const SSL *ssl);
+
+=item STACK *B<SSL_get_ciphers>(const SSL *ssl);
+
+=item STACK *B<SSL_get_client_CA_list>(const SSL *ssl);
+
+=item SSL_CIPHER *B<SSL_get_current_cipher>(SSL *ssl);
+
+=item long B<SSL_get_default_timeout>(const SSL *ssl);
+
+=item int B<SSL_get_error>(const SSL *ssl, int i);
+
+=item char *B<SSL_get_ex_data>(const SSL *ssl, int idx);
+
+=item int B<SSL_get_ex_data_X509_STORE_CTX_idx>(void);
+
+=item int B<SSL_get_ex_new_index>(long argl, char *argp, int (*new_func);(void), int (*dup_func)(void), void (*free_func)(void))
+
+=item int B<SSL_get_fd>(const SSL *ssl);
+
+=item void (*B<SSL_get_info_callback>(const SSL *ssl);)()
+
+=item STACK *B<SSL_get_peer_cert_chain>(const SSL *ssl);
+
+=item X509 *B<SSL_get_peer_certificate>(const SSL *ssl);
+
+=item EVP_PKEY *B<SSL_get_privatekey>(SSL *ssl);
+
+=item int B<SSL_get_quiet_shutdown>(const SSL *ssl);
+
+=item BIO *B<SSL_get_rbio>(const SSL *ssl);
+
+=item int B<SSL_get_read_ahead>(const SSL *ssl);
+
+=item SSL_SESSION *B<SSL_get_session>(const SSL *ssl);
+
+=item char *B<SSL_get_shared_ciphers>(const SSL *ssl, char *buf, int len);
+
+=item int B<SSL_get_shutdown>(const SSL *ssl);
+
+=item SSL_METHOD *B<SSL_get_ssl_method>(SSL *ssl);
+
+=item int B<SSL_get_state>(const SSL *ssl);
+
+=item long B<SSL_get_time>(const SSL *ssl);
+
+=item long B<SSL_get_timeout>(const SSL *ssl);
+
+=item int (*B<SSL_get_verify_callback>(const SSL *ssl))(int,X509_STORE_CTX *)
+
+=item int B<SSL_get_verify_mode>(const SSL *ssl);
+
+=item long B<SSL_get_verify_result>(const SSL *ssl);
+
+=item char *B<SSL_get_version>(const SSL *ssl);
+
+=item BIO *B<SSL_get_wbio>(const SSL *ssl);
+
+=item int B<SSL_in_accept_init>(SSL *ssl);
+
+=item int B<SSL_in_before>(SSL *ssl);
+
+=item int B<SSL_in_connect_init>(SSL *ssl);
+
+=item int B<SSL_in_init>(SSL *ssl);
+
+=item int B<SSL_is_init_finished>(SSL *ssl);
+
+=item STACK *B<SSL_load_client_CA_file>(char *file);
+
+=item void B<SSL_load_error_strings>(void);
+
+=item SSL *B<SSL_new>(SSL_CTX *ctx);
+
+=item long B<SSL_num_renegotiations>(SSL *ssl);
+
+=item int B<SSL_peek>(SSL *ssl, void *buf, int num);
+
+=item int B<SSL_pending>(const SSL *ssl);
+
+=item int B<SSL_read>(SSL *ssl, void *buf, int num);
+
+=item int B<SSL_renegotiate>(SSL *ssl);
+
+=item char *B<SSL_rstate_string>(SSL *ssl);
+
+=item char *B<SSL_rstate_string_long>(SSL *ssl);
+
+=item long B<SSL_session_reused>(SSL *ssl);
+
+=item void B<SSL_set_accept_state>(SSL *ssl);
+
+=item void B<SSL_set_app_data>(SSL *ssl, char *arg);
+
+=item void B<SSL_set_bio>(SSL *ssl, BIO *rbio, BIO *wbio);
+
+=item int B<SSL_set_cipher_list>(SSL *ssl, char *str);
+
+=item void B<SSL_set_client_CA_list>(SSL *ssl, STACK *list);
+
+=item void B<SSL_set_connect_state>(SSL *ssl);
+
+=item int B<SSL_set_ex_data>(SSL *ssl, int idx, char *arg);
+
+=item int B<SSL_set_fd>(SSL *ssl, int fd);
+
+=item void B<SSL_set_info_callback>(SSL *ssl, void (*cb);(void))
+
+=item void B<SSL_set_msg_callback>(SSL *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg));
+
+=item void B<SSL_set_msg_callback_arg>(SSL *ctx, void *arg);
+
+=item void B<SSL_set_options>(SSL *ssl, unsigned long op);
+
+=item void B<SSL_set_quiet_shutdown>(SSL *ssl, int mode);
+
+=item void B<SSL_set_read_ahead>(SSL *ssl, int yes);
+
+=item int B<SSL_set_rfd>(SSL *ssl, int fd);
+
+=item int B<SSL_set_session>(SSL *ssl, SSL_SESSION *session);
+
+=item void B<SSL_set_shutdown>(SSL *ssl, int mode);
+
+=item int B<SSL_set_ssl_method>(SSL *ssl, SSL_METHOD *meth);
+
+=item void B<SSL_set_time>(SSL *ssl, long t);
+
+=item void B<SSL_set_timeout>(SSL *ssl, long t);
+
+=item void B<SSL_set_verify>(SSL *ssl, int mode, int (*callback);(void))
+
+=item void B<SSL_set_verify_result>(SSL *ssl, long arg);
+
+=item int B<SSL_set_wfd>(SSL *ssl, int fd);
+
+=item int B<SSL_shutdown>(SSL *ssl);
+
+=item int B<SSL_state>(const SSL *ssl);
+
+=item char *B<SSL_state_string>(const SSL *ssl);
+
+=item char *B<SSL_state_string_long>(const SSL *ssl);
+
+=item long B<SSL_total_renegotiations>(SSL *ssl);
+
+=item int B<SSL_use_PrivateKey>(SSL *ssl, EVP_PKEY *pkey);
+
+=item int B<SSL_use_PrivateKey_ASN1>(int type, SSL *ssl, unsigned char *d, long len);
+
+=item int B<SSL_use_PrivateKey_file>(SSL *ssl, char *file, int type);
+
+=item int B<SSL_use_RSAPrivateKey>(SSL *ssl, RSA *rsa);
+
+=item int B<SSL_use_RSAPrivateKey_ASN1>(SSL *ssl, unsigned char *d, long len);
+
+=item int B<SSL_use_RSAPrivateKey_file>(SSL *ssl, char *file, int type);
+
+=item int B<SSL_use_certificate>(SSL *ssl, X509 *x);
+
+=item int B<SSL_use_certificate_ASN1>(SSL *ssl, int len, unsigned char *d);
+
+=item int B<SSL_use_certificate_file>(SSL *ssl, char *file, int type);
+
+=item int B<SSL_version>(const SSL *ssl);
+
+=item int B<SSL_want>(const SSL *ssl);
+
+=item int B<SSL_want_nothing>(const SSL *ssl);
+
+=item int B<SSL_want_read>(const SSL *ssl);
+
+=item int B<SSL_want_write>(const SSL *ssl);
+
+=item int B<SSL_want_x509_lookup>(const SSL *ssl);
+
+=item int B<SSL_write>(SSL *ssl, const void *buf, int num);
+
+=back
+
+=head1 SEE ALSO
+
+L<openssl(1)|openssl(1)>, L<crypto(3)|crypto(3)>,
+L<SSL_accept(3)|SSL_accept(3)>, L<SSL_clear(3)|SSL_clear(3)>,
+L<SSL_connect(3)|SSL_connect(3)>,
+L<SSL_CIPHER_get_name(3)|SSL_CIPHER_get_name(3)>,
+L<SSL_COMP_add_compression_method(3)|SSL_COMP_add_compression_method(3)>,
+L<SSL_CTX_add_extra_chain_cert(3)|SSL_CTX_add_extra_chain_cert(3)>,
+L<SSL_CTX_add_session(3)|SSL_CTX_add_session(3)>,
+L<SSL_CTX_ctrl(3)|SSL_CTX_ctrl(3)>,
+L<SSL_CTX_flush_sessions(3)|SSL_CTX_flush_sessions(3)>,
+L<SSL_CTX_get_ex_new_index(3)|SSL_CTX_get_ex_new_index(3)>,
+L<SSL_CTX_get_verify_mode(3)|SSL_CTX_get_verify_mode(3)>,
+L<SSL_CTX_load_verify_locations(3)|SSL_CTX_load_verify_locations(3)>
+L<SSL_CTX_new(3)|SSL_CTX_new(3)>,
+L<SSL_CTX_sess_number(3)|SSL_CTX_sess_number(3)>,
+L<SSL_CTX_sess_set_cache_size(3)|SSL_CTX_sess_set_cache_size(3)>,
+L<SSL_CTX_sess_set_get_cb(3)|SSL_CTX_sess_set_get_cb(3)>,
+L<SSL_CTX_sessions(3)|SSL_CTX_sessions(3)>,
+L<SSL_CTX_set_cert_store(3)|SSL_CTX_set_cert_store(3)>,
+L<SSL_CTX_set_cert_verify_callback(3)|SSL_CTX_set_cert_verify_callback(3)>,
+L<SSL_CTX_set_cipher_list(3)|SSL_CTX_set_cipher_list(3)>,
+L<SSL_CTX_set_client_CA_list(3)|SSL_CTX_set_client_CA_list(3)>,
+L<SSL_CTX_set_client_cert_cb(3)|SSL_CTX_set_client_cert_cb(3)>,
+L<SSL_CTX_set_default_passwd_cb(3)|SSL_CTX_set_default_passwd_cb(3)>,
+L<SSL_CTX_set_generate_session_id(3)|SSL_CTX_set_generate_session_id(3)>,
+L<SSL_CTX_set_info_callback(3)|SSL_CTX_set_info_callback(3)>,
+L<SSL_CTX_set_max_cert_list(3)|SSL_CTX_set_max_cert_list(3)>,
+L<SSL_CTX_set_mode(3)|SSL_CTX_set_mode(3)>,
+L<SSL_CTX_set_msg_callback(3)|SSL_CTX_set_msg_callback(3)>,
+L<SSL_CTX_set_options(3)|SSL_CTX_set_options(3)>,
+L<SSL_CTX_set_quiet_shutdown(3)|SSL_CTX_set_quiet_shutdown(3)>,
+L<SSL_CTX_set_session_cache_mode(3)|SSL_CTX_set_session_cache_mode(3)>,
+L<SSL_CTX_set_session_id_context(3)|SSL_CTX_set_session_id_context(3)>,
+L<SSL_CTX_set_ssl_version(3)|SSL_CTX_set_ssl_version(3)>,
+L<SSL_CTX_set_timeout(3)|SSL_CTX_set_timeout(3)>,
+L<SSL_CTX_set_tmp_rsa_callback(3)|SSL_CTX_set_tmp_rsa_callback(3)>,
+L<SSL_CTX_set_tmp_dh_callback(3)|SSL_CTX_set_tmp_dh_callback(3)>,
+L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>,
+L<SSL_CTX_use_certificate(3)|SSL_CTX_use_certificate(3)>,
+L<SSL_alert_type_string(3)|SSL_alert_type_string(3)>,
+L<SSL_do_handshake(3)|SSL_do_handshake(3)>,
+L<SSL_get_SSL_CTX(3)|SSL_get_SSL_CTX(3)>,
+L<SSL_get_ciphers(3)|SSL_get_ciphers(3)>,
+L<SSL_get_client_CA_list(3)|SSL_get_client_CA_list(3)>,
+L<SSL_get_default_timeout(3)|SSL_get_default_timeout(3)>,
+L<SSL_get_error(3)|SSL_get_error(3)>,
+L<SSL_get_ex_data_X509_STORE_CTX_idx(3)|SSL_get_ex_data_X509_STORE_CTX_idx(3)>,
+L<SSL_get_ex_new_index(3)|SSL_get_ex_new_index(3)>,
+L<SSL_get_fd(3)|SSL_get_fd(3)>,
+L<SSL_get_peer_cert_chain(3)|SSL_get_peer_cert_chain(3)>,
+L<SSL_get_rbio(3)|SSL_get_rbio(3)>,
+L<SSL_get_session(3)|SSL_get_session(3)>,
+L<SSL_get_verify_result(3)|SSL_get_verify_result(3)>,
+L<SSL_get_version(3)|SSL_get_version(3)>,
+L<SSL_library_init(3)|SSL_library_init(3)>,
+L<SSL_load_client_CA_file(3)|SSL_load_client_CA_file(3)>,
+L<SSL_new(3)|SSL_new(3)>,
+L<SSL_pending(3)|SSL_pending(3)>,
+L<SSL_read(3)|SSL_read(3)>,
+L<SSL_rstate_string(3)|SSL_rstate_string(3)>,
+L<SSL_session_reused(3)|SSL_session_reused(3)>,
+L<SSL_set_bio(3)|SSL_set_bio(3)>,
+L<SSL_set_connect_state(3)|SSL_set_connect_state(3)>,
+L<SSL_set_fd(3)|SSL_set_fd(3)>,
+L<SSL_set_session(3)|SSL_set_session(3)>,
+L<SSL_set_shutdown(3)|SSL_set_shutdown(3)>,
+L<SSL_shutdown(3)|SSL_shutdown(3)>,
+L<SSL_state_string(3)|SSL_state_string(3)>,
+L<SSL_want(3)|SSL_want(3)>,
+L<SSL_write(3)|SSL_write(3)>,
+L<SSL_SESSION_free(3)|SSL_SESSION_free(3)>,
+L<SSL_SESSION_get_ex_new_index(3)|SSL_SESSION_get_ex_new_index(3)>,
+L<SSL_SESSION_get_time(3)|SSL_SESSION_get_time(3)>,
+L<d2i_SSL_SESSION(3)|d2i_SSL_SESSION(3)>
+
+=head1 HISTORY
+
+The L<ssl(3)|ssl(3)> document appeared in OpenSSL 0.9.2
+
+=cut
+