!!! Overview [{$pagename}] or ([CMS]) is the [IETF]'s standard for [Cryptographically|Cryptographic] protected [messages]. [{$pagename}] can be used to digitally sign, digest, authenticate or [encrypt] any form of digital [data]. [{$pagename}] is based on the syntax of [PKCS7], which in turn is based on the [Privacy-Enhanced Mail] standard. [{$pagename}] (as of [2009|Year 2009]) is specified in [RFC 5652] (but see also [RFC 5911] for updated [ASN.1] modules conforming to [ASN.1] [2002|Year 2002]). [{$pagename}] architecture is built around [certificate]-based Key management, such as the profile defined by the [PKIX] working group. [{$pagename}] is used as the key [cryptographic] component of many other [cryptographic] standards, such as [S/MIME|Secure MIME], [PKCS12] and the [RFC 3161] Digital timestamping protocol. [OpenSSL] is [Open Source] software that can encrypt, decrypt, sign and verify, compress and uncompress [{$pagename}] documents. !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }]