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authormarha <marha@users.sourceforge.net>2010-03-29 17:08:02 +0000
committermarha <marha@users.sourceforge.net>2010-03-29 17:08:02 +0000
commit15272ab4ed1e6250412fccd48200ed9eae59608f (patch)
treea5996ea67966a778a16565f19dfc2e7c7f49b376 /openssl/doc/crypto/SMIME_write_PKCS7.pod
parent3827301b2ea5a45ac009c3bf9f08586ff40b8506 (diff)
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Updated to openssl 1.0.0
Diffstat (limited to 'openssl/doc/crypto/SMIME_write_PKCS7.pod')
-rw-r--r--openssl/doc/crypto/SMIME_write_PKCS7.pod24
1 files changed, 14 insertions, 10 deletions
diff --git a/openssl/doc/crypto/SMIME_write_PKCS7.pod b/openssl/doc/crypto/SMIME_write_PKCS7.pod
index 61945b388..ca6bd0276 100644
--- a/openssl/doc/crypto/SMIME_write_PKCS7.pod
+++ b/openssl/doc/crypto/SMIME_write_PKCS7.pod
@@ -6,17 +6,18 @@ SMIME_write_PKCS7 - convert PKCS#7 structure to S/MIME format.
=head1 SYNOPSIS
-int SMIME_write_PKCS7(BIO *out, PKCS7 *p7, BIO *data, int flags);
+ #include <openssl/pkcs7.h>
+
+ int SMIME_write_PKCS7(BIO *out, PKCS7 *p7, BIO *data, int flags);
=head1 DESCRIPTION
SMIME_write_PKCS7() adds the appropriate MIME headers to a PKCS#7
structure to produce an S/MIME message.
-B<out> is the BIO to write the data to. B<p7> is the appropriate
-B<PKCS7> structure. If cleartext signing (B<multipart/signed>) is
-being used then the signed data must be supplied in the B<data>
-argument. B<flags> is an optional set of flags.
+B<out> is the BIO to write the data to. B<p7> is the appropriate B<PKCS7>
+structure. If streaming is enabled then the content must be supplied in the
+B<data> argument. B<flags> is an optional set of flags.
=head1 NOTES
@@ -30,15 +31,18 @@ If the B<PKCS7_TEXT> flag is set MIME headers for type B<text/plain>
are added to the content, this only makes sense if B<PKCS7_DETACHED>
is also set.
-If the B<PKCS7_PARTSIGN> flag is set the signed data is finalized
-and output along with the content. This flag should only be set
-if B<PKCS7_DETACHED> is also set and the previous call to PKCS7_sign()
-also set these flags.
+If the B<PKCS7_STREAM> flag is set streaming is performed. This flag should
+only be set if B<PKCS7_STREAM> was also set in the previous call to
+PKCS7_sign() or B<PKCS7_encrypt()>.
-If cleartext signing is being used and B<PKCS7_PARTSIGN> not set then
+If cleartext signing is being used and B<PKCS7_STREAM> not set then
the data must be read twice: once to compute the signature in PKCS7_sign()
and once to output the S/MIME message.
+If streaming is performed the content is output in BER format using indefinite
+length constructuted encoding except in the case of signed data with detached
+content where the content is absent and DER format is used.
+
=head1 BUGS
SMIME_write_PKCS7() always base64 encodes PKCS#7 structures, there