A new Request for Comments is now available in online RFC libraries.
RFC 8591
Title: SIP-Based Messaging with S/MIME
Author: B. Campbell,
R. Housley
Status: Standards Track
Stream: IETF
Date: April 2019
Mailbox: [email protected],
[email protected]
Pages: 39
Characters: 91547
Updates: RFC 3261, RFC 3428, RFC 4975
I-D Tag: draft-campbell-sip-messaging-smime-05.txt
URL: https://www.rfc-editor.org/info/rfc8591
DOI: 10.17487/RFC8591
Mobile messaging applications used with the Session Initiation
Protocol (SIP) commonly use some combination of the SIP MESSAGE
method and the Message Session Relay Protocol (MSRP). While these
provide mechanisms for hop-by-hop security, neither natively provides
end-to-end protection. This document offers guidance on how to
provide end-to-end authentication, integrity protection, and
confidentiality using the Secure/Multipurpose Internet Mail
Extensions (S/MIME). It updates and provides clarifications for RFCs
3261, 3428, and 4975.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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