Protocol Action: 'Completely Encrypting RTP Header Extensions and Contributing Sources' to Proposed Standard (draft-ietf-avtcore-cryptex-08.txt)
The IESG <iesg-secretary@ietf.org> Wed, 28 September 2022 13:05 UTC
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From: The IESG <iesg-secretary@ietf.org>
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Subject: Protocol Action: 'Completely Encrypting RTP Header Extensions and Contributing Sources' to Proposed Standard (draft-ietf-avtcore-cryptex-08.txt)
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Cc: The IESG <iesg@ietf.org>, avt@ietf.org, avtcore-chairs@ietf.org, bernard.aboba@gmail.com, draft-ietf-avtcore-cryptex@ietf.org, rfc-editor@rfc-editor.org, superuser@gmail.com
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Date: Wed, 28 Sep 2022 06:05:07 -0700
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The IESG has approved the following document: - 'Completely Encrypting RTP Header Extensions and Contributing Sources' (draft-ietf-avtcore-cryptex-08.txt) as Proposed Standard This document is the product of the Audio/Video Transport Core Maintenance Working Group. The IESG contact persons are Murray Kucherawy and Francesca Palombini. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-avtcore-cryptex/ Technical Summary While the Secure Real-time Transport Protocol (SRTP) provides confidentiality for the contents of a media packet, a significant amount of metadata is left unprotected, including RTP header extensions and contributing sources (CSRCs). While there have been previous attempts to protect this data, they have had limited deployment, due to complexity as well as technical limitations. This document defines Cryptex as a new mechanism that completely encrypts header extensions and CSRCs and uses simpler signaling with the goal of facilitating deployment. Working Group Summary Working group handling was uncontroversial once the document was adopted. In general, the discussions converged rapidly and there were no long-standing disagreements. Document Quality By IETF 111 (draft -02), test vectors and two implementations (libsrtp and jitsi-srtp) existed. There appear to be no concerns about document quality. Personnel Bernard Aboba is the Document Shepherd. Murray Kucherawy is the responsible Area Director.