PKCS resources for Email Security and Privacy Protections. The best PKCS Email Security and Privacy Protection links. PKCS links from the Security directory
RFC 2315 - PKCS #7: Cryptographic Message Syntax Version 1.5 - This document describes a general syntax for data that may have cryptography applied to it such as digital signatures and digital envelopes. (B. Kaliski / RSA Laboratories East)