print out receipt requests.

Add id-ct-asciiTextWithCRLF OID.

Give more meaninful error message is attempt to use key ID from a certificate
without a key ID.

Generalise RecipientInfo and enveloped data handling so applications can
add their own key lookup routines as well as using the standard ones.

Fix signed data creation so versions are only corrected if structure is
being created.

examples. All RFC4134 examples can not be processed.

Update CHANGES.

consistent with other content types.

tests in RFC4134.

by envelopedData.

Use PRE and not POST when freeing up RecipientInfo.

Initial support for CMS.

Add zlib compression BIO.

Add AES key wrap implementation.

Generalize S/MIME MIME code to support CMS and/or PKCS7.