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RFC 5763

"Framework for Establishing a Secure Real-time Transport Protocol (SRTP) Security Context Using Datagram Transport Layer Security (DTLS)", May 2010

Canonical URL:
http://www.rfc-editor.org/rfc/rfc5763.txt
This document is also available in this non-normative format: PDF.
Status:
PROPOSED STANDARD
Authors:
J. Fischl
H. Tschofenig
E. Rescorla
Stream:
IETF
Source:
sip (rai)

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Abstract

This document specifies how to use the Session Initiation Protocol (SIP) to establish a Secure Real-time Transport Protocol (SRTP) security context using the Datagram Transport Layer Security (DTLS) protocol. It describes a mechanism of transporting a fingerprint attribute in the Session Description Protocol (SDP) that identifies the key that will be presented during the DTLS handshake. The key exchange travels along the media path as opposed to the signaling path. The SIP Identity mechanism can be used to protect the integrity of the fingerprint attribute from modification by intermediate proxies. [STANDARDS-TRACK]


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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