This standard describes general syntax for data that may have cryptography applied to it, such as digital signatures and digital envelopes.
Version 1.5
- PKCS #7 Cryptographic Message Syntax Standard: ASCII, MS-Word, PostScript and Gzip PostScript
Version 1.6 Bulletin
In support of the SET protocol for secure electronic transactions, RSA Laboratories has produced a bulletin detailing changes to be made to PKCS #7 version 1.5 to update it to version 1.6 (which has not yet been published). Version 1.5 is still recommended for general use, and is the basis for the S/MIME specification.
- PKCS #7 version 1.6 bulletin: Extensions and Revisions to PKCS #7 (13 May 1997): MS-Word (40k) Acrobat PDF (26k)
- ASN.1 module for PKCS #7 version 1.6 pkcs-7.asn

