{"draft":"draft-ietf-smime-certcapa-05","doc_id":"RFC4262","title":"X.509 Certificate Extension for Secure\/Multipurpose Internet Mail Extensions (S\/MIME) Capabilities","authors":["S. Santesson"],"format":["ASCII","HTML"],"page_count":"5","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"S\/MIME Mail Security","abstract":"This document defines a certificate extension for inclusion of Secure\/Multipurpose Internet Mail Extensions (S\/MIME) Capabilities in X.509 public key certificates, as defined by RFC 3280.  This certificate extension provides an optional method to indicate the cryptographic capabilities of an entity as a complement to the S\/MIME Capabilities signed attribute in S\/MIME messages according to RFC 3851.  [STANDARDS-TRACK]","pub_date":"November 2005","keywords":["cryptographic capabilities"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC4262","errata_url":null}