[rfc-dist] RFC 8816 on Secure Telephone Identity Revisited (STIR) Out-of-Band Architecture and Use Cases

rfc-editor at rfc-editor.org rfc-editor at rfc-editor.org
Thu Feb 11 11:49:27 PST 2021


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        RFC 8816

        Title:      Secure Telephone Identity Revisited (STIR) 
                    Out-of-Band Architecture and Use Cases 
        Author:     E. Rescorla,
                    J. Peterson
        Status:     Informational
        Stream:     IETF
        Date:       February 2021
        Mailbox:    ekr at rtfm.com,
                    jon.peterson at team.neustar
        Pages:      24
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-stir-oob-07.txt

        URL:        https://www.rfc-editor.org/info/rfc8816

        DOI:        10.17487/RFC8816

The Personal Assertion Token (PASSporT) format defines a token that
can be carried by signaling protocols, including SIP, to
cryptographically attest the identity of callers. However, not all
telephone calls use Internet signaling protocols, and some calls use
them for only part of their signaling path, while some cannot
reliably deliver SIP header fields end-to-end. This document
describes use cases that require the delivery of PASSporT objects
outside of the signaling path, and defines architectures and
semantics to provide this functionality.

This document is a product of the Secure Telephone Identity Revisited Working Group of the IETF.


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