{"draft":"draft-campbell-sip-messaging-smime-05","doc_id":"RFC8591","title":"SIP-Based Messaging with S\/MIME","authors":["B. Campbell","R. Housley"],"format":["ASCII","HTML"],"page_count":"39","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"IETF - NON WORKING GROUP","abstract":"Mobile messaging applications used with the Session Initiation\r\nProtocol (SIP) commonly use some combination of the SIP MESSAGE\r\nmethod and the Message Session Relay Protocol (MSRP).  While these\r\nprovide mechanisms for hop-by-hop security, neither natively provides\r\nend-to-end protection.  This document offers guidance on how to\r\nprovide end-to-end authentication, integrity protection, and\r\nconfidentiality using the Secure\/Multipurpose Internet Mail\r\nExtensions (S\/MIME).  It updates and provides clarifications for RFCs\r\n3261, 3428, and 4975.","pub_date":"April 2019","keywords":["MSRP","CPIM"],"obsoletes":[],"obsoleted_by":[],"updates":["RFC3261","RFC3428","RFC4975"],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC8591","errata_url":null}