X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=doc%2Fcrypto%2FSMIME_write_PKCS7.pod;h=ca6bd027635f3494bf0d968f03f36ae6c00939e0;hb=f000f705ea00fd2b9cef45959d6c1ec4aae674a3;hp=e20d46b5d1bbe8097c7e55b4539414e48c0b7489;hpb=c264592d690b0957e6ad2d25cd3c842383a5538e;p=oweals%2Fopenssl.git diff --git a/doc/crypto/SMIME_write_PKCS7.pod b/doc/crypto/SMIME_write_PKCS7.pod index e20d46b5d1..ca6bd02763 100644 --- a/doc/crypto/SMIME_write_PKCS7.pod +++ b/doc/crypto/SMIME_write_PKCS7.pod @@ -15,10 +15,9 @@ SMIME_write_PKCS7 - convert PKCS#7 structure to S/MIME format. SMIME_write_PKCS7() adds the appropriate MIME headers to a PKCS#7 structure to produce an S/MIME message. -B is the BIO to write the data to. B is the appropriate -B structure. If cleartext signing (B) is -being used then the signed data must be supplied in the B -argument. B is an optional set of flags. +B is the BIO to write the data to. B is the appropriate B +structure. If streaming is enabled then the content must be supplied in the +B argument. B is an optional set of flags. =head1 NOTES @@ -32,15 +31,18 @@ If the B flag is set MIME headers for type B are added to the content, this only makes sense if B is also set. -If the B flag is set the signed data is finalized -and output along with the content. This flag should only be set -if B is also set and the previous call to PKCS7_sign() -also set these flags. +If the B flag is set streaming is performed. This flag should +only be set if B was also set in the previous call to +PKCS7_sign() or B. -If cleartext signing is being used and B not set then +If cleartext signing is being used and B 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