--- 1/draft-ietf-perc-dtls-tunnel-03.txt 2018-10-20 13:13:30.652505859 -0700 +++ 2/draft-ietf-perc-dtls-tunnel-04.txt 2018-10-20 13:13:30.688506728 -0700 @@ -1,22 +1,22 @@ Network Working Group P. Jones Internet-Draft Cisco Systems Intended status: Standards Track P. Ellenbogen -Expires: October 26, 2018 Princeton University +Expires: April 23, 2019 Princeton University N. Ohlmeier Mozilla - April 24, 2018 + October 20, 2018 DTLS Tunnel between a Media Distributor and Key Distributor to Facilitate Key Exchange - draft-ietf-perc-dtls-tunnel-03 + draft-ietf-perc-dtls-tunnel-04 Abstract This document defines a DTLS tunneling protocol for use in multimedia conferences that enables a Media Distributor to facilitate key exchange between an endpoint in a conference and the Key Distributor. The protocol is designed to ensure that the keying material used for hop-by-hop encryption and authentication is accessible to the media distributor, while the keying material used for end-to-end encryption and authentication is inaccessible to the media distributor. @@ -29,21 +29,21 @@ Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet- Drafts is at https://datatracker.ietf.org/drafts/current/. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." - This Internet-Draft will expire on October 26, 2018. + This Internet-Draft will expire on April 23, 2019. Copyright Notice Copyright (c) 2018 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (https://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents @@ -61,24 +61,24 @@ 4. Example Message Flows . . . . . . . . . . . . . . . . . . . . 4 5. Tunneling Procedures . . . . . . . . . . . . . . . . . . . . 6 5.1. Endpoint Procedures . . . . . . . . . . . . . . . . . . . 6 5.2. Tunnel Establishment Procedures . . . . . . . . . . . . . 6 5.3. Media Distributor Tunneling Procedures . . . . . . . . . 7 5.4. Key Distributor Tunneling Procedures . . . . . . . . . . 8 5.5. Versioning Considerations . . . . . . . . . . . . . . . . 9 6. Tunneling Protocol . . . . . . . . . . . . . . . . . . . . . 10 6.1. Tunnel Message Format . . . . . . . . . . . . . . . . . . 10 7. Example Binary Encoding . . . . . . . . . . . . . . . . . . . 13 - 8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 13 + 8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 14 9. Security Considerations . . . . . . . . . . . . . . . . . . . 14 - 10. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 14 - 11. References . . . . . . . . . . . . . . . . . . . . . . . . . 14 + 10. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 15 + 11. References . . . . . . . . . . . . . . . . . . . . . . . . . 15 11.1. Normative References . . . . . . . . . . . . . . . . . . 15 11.2. Informative References . . . . . . . . . . . . . . . . . 16 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 16 1. Introduction An objective of Privacy-Enhanced RTP Conferencing (PERC) is to ensure that endpoints in a multimedia conference have access to the end-to- end (E2E) and hop-by-hop (HBH) keying material used to encrypt and authenticate Real-time Transport Protocol (RTP) [RFC3550] packets, @@ -699,22 +709,22 @@ . [RFC6347] Rescorla, E. and N. Modadugu, "Datagram Transport Layer Security Version 1.2", RFC 6347, DOI 10.17487/RFC6347, January 2012, . 11.2. Informative References [I-D.ietf-perc-double] Jennings, C., Jones, P., Barnes, R., and A. Roach, "SRTP - Double Encryption Procedures", draft-ietf-perc-double-08 - (work in progress), March 2018. + Double Encryption Procedures", draft-ietf-perc-double-10 + (work in progress), October 2018. [RFC4566] Handley, M., Jacobson, V., and C. Perkins, "SDP: Session Description Protocol", RFC 4566, DOI 10.17487/RFC4566, July 2006, . Authors' Addresses Paul E. Jones Cisco Systems, Inc. 7025 Kit Creek Rd.