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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/doc/crypto/crypto.pod | |
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Diffstat (limited to 'openssl/doc/crypto/crypto.pod')
-rw-r--r-- | openssl/doc/crypto/crypto.pod | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/openssl/doc/crypto/crypto.pod b/openssl/doc/crypto/crypto.pod new file mode 100644 index 000000000..7a527992b --- /dev/null +++ b/openssl/doc/crypto/crypto.pod @@ -0,0 +1,85 @@ +=pod + +=head1 NAME + +crypto - OpenSSL cryptographic library + +=head1 SYNOPSIS + +=head1 DESCRIPTION + +The OpenSSL B<crypto> library implements a wide range of cryptographic +algorithms used in various Internet standards. The services provided +by this library are used by the OpenSSL implementations of SSL, TLS +and S/MIME, and they have also been used to implement SSH, OpenPGP, and +other cryptographic standards. + +=head1 OVERVIEW + +B<libcrypto> consists of a number of sub-libraries that implement the +individual algorithms. + +The functionality includes symmetric encryption, public key +cryptography and key agreement, certificate handling, cryptographic +hash functions and a cryptographic pseudo-random number generator. + +=over 4 + +=item SYMMETRIC CIPHERS + +L<blowfish(3)|blowfish(3)>, L<cast(3)|cast(3)>, L<des(3)|des(3)>, +L<idea(3)|idea(3)>, L<rc2(3)|rc2(3)>, L<rc4(3)|rc4(3)>, L<rc5(3)|rc5(3)> + +=item PUBLIC KEY CRYPTOGRAPHY AND KEY AGREEMENT + +L<dsa(3)|dsa(3)>, L<dh(3)|dh(3)>, L<rsa(3)|rsa(3)> + +=item CERTIFICATES + +L<x509(3)|x509(3)>, L<x509v3(3)|x509v3(3)> + +=item AUTHENTICATION CODES, HASH FUNCTIONS + +L<hmac(3)|hmac(3)>, L<md2(3)|md2(3)>, L<md4(3)|md4(3)>, +L<md5(3)|md5(3)>, L<mdc2(3)|mdc2(3)>, L<ripemd(3)|ripemd(3)>, +L<sha(3)|sha(3)> + +=item AUXILIARY FUNCTIONS + +L<err(3)|err(3)>, L<threads(3)|threads(3)>, L<rand(3)|rand(3)>, +L<OPENSSL_VERSION_NUMBER(3)|OPENSSL_VERSION_NUMBER(3)> + +=item INPUT/OUTPUT, DATA ENCODING + +L<asn1(3)|asn1(3)>, L<bio(3)|bio(3)>, L<evp(3)|evp(3)>, L<pem(3)|pem(3)>, +L<pkcs7(3)|pkcs7(3)>, L<pkcs12(3)|pkcs12(3)> + +=item INTERNAL FUNCTIONS + +L<bn(3)|bn(3)>, L<buffer(3)|buffer(3)>, L<lhash(3)|lhash(3)>, +L<objects(3)|objects(3)>, L<stack(3)|stack(3)>, +L<txt_db(3)|txt_db(3)> + +=back + +=head1 NOTES + +Some of the newer functions follow a naming convention using the numbers +B<0> and B<1>. For example the functions: + + int X509_CRL_add0_revoked(X509_CRL *crl, X509_REVOKED *rev); + int X509_add1_trust_object(X509 *x, ASN1_OBJECT *obj); + +The B<0> version uses the supplied structure pointer directly +in the parent and it will be freed up when the parent is freed. +In the above example B<crl> would be freed but B<rev> would not. + +The B<1> function uses a copy of the supplied structure pointer +(or in some cases increases its link count) in the parent and +so both (B<x> and B<obj> above) should be freed up. + +=head1 SEE ALSO + +L<openssl(1)|openssl(1)>, L<ssl(3)|ssl(3)> + +=cut |