I-D Action: draft-srivastava-stir-sip-request-context-00.txt

Internet-Draft draft-srivastava-stir-sip-request-context-00.txt is now
available.

   Title:   SIP Request Context Binding for STIR Connected Identity
   Author:  Aviral Srivastava
   Name:    draft-srivastava-stir-sip-request-context-00.txt
   Pages:   11
   Dates:   2026-08-16

Abstract:

   This document updates RFC 9970.

   RFC 9970 recommends STIR PASSporTs on re-INVITE and BYE requests
   after connected identity has been established in a SIP dialog, and
   states that this prevents spoofed mid-dialog or dialog-terminating
   events.  The baseline PASSporT construction used by RFC 8224 does not
   bind the SIP request method, CSeq number, Call-ID, or dialog tags.
   Consequently, a valid PASSporT can remain valid when a fresh signed
   in-dialog request is transformed into a different SIP request whose
   authenticated identity fields are unchanged.

   This document defines the "sipctx" PASSporT type.  It binds the SIP
   request method and dialog/sequence context to the PASSporT.
   Implementations relying on PASSporT validation for mid-dialog request
   authenticity use this context binding as specified in this document.

The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-srivastava-stir-sip-request-context/

There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-srivastava-stir-sip-request-context-00.html

Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts


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