draft-ietf-perc-srtp-ekt-diet-11.txt		draft-ietf-perc-srtp-ekt-diet-12.txt
	Network Working Group C. Jennings		Network Working Group C. Jennings
	Internet-Draft Cisco Systems		Internet-Draft Cisco Systems
	Intended status: Standards Track J. Mattsson		Intended status: Standards Track J. Mattsson
	Expires: July 18, 2020 Ericsson AB		Expires: December 20, 2020 Ericsson AB
	D. McGrew		D. McGrew
	Cisco Systems		Cisco Systems
	D. Wing		D. Wing
	Citrix Systems, Inc.		Citrix Systems, Inc.
	F. Andreason		F. Andreason
	Cisco Systems		Cisco Systems
	January 15, 2020		June 18, 2020
	Encrypted Key Transport for DTLS and Secure RTP		Encrypted Key Transport for DTLS and Secure RTP
	draft-ietf-perc-srtp-ekt-diet-11		draft-ietf-perc-srtp-ekt-diet-12
	Abstract		Abstract
	Encrypted Key Transport (EKT) is an extension to DTLS (Datagram		Encrypted Key Transport (EKT) is an extension to DTLS (Datagram
	Transport Layer Security) and Secure Real-time Transport Protocol		Transport Layer Security) and Secure Real-time Transport Protocol
	(SRTP) that provides for the secure transport of SRTP master keys,		(SRTP) that provides for the secure transport of SRTP master keys,
	rollover counters, and other information within SRTP. This facility		rollover counters, and other information within SRTP. This facility
	enables SRTP for decentralized conferences by distributing a common		enables SRTP for decentralized conferences by distributing a common
	key to all of the conference endpoints.		key to all of the conference endpoints.
	skipping to change at page 1, line 42 ¶		skipping to change at page 1, line 42 ¶
	Internet-Drafts are working documents of the Internet Engineering		Internet-Drafts are working documents of the Internet Engineering
	Task Force (IETF). Note that other groups may also distribute		Task Force (IETF). Note that other groups may also distribute
	working documents as Internet-Drafts. The list of current Internet-		working documents as Internet-Drafts. The list of current Internet-
	Drafts is at https://datatracker.ietf.org/drafts/current/.		Drafts is at https://datatracker.ietf.org/drafts/current/.
	Internet-Drafts are draft documents valid for a maximum of six months		Internet-Drafts are draft documents valid for a maximum of six months
	and may be updated, replaced, or obsoleted by other documents at any		and may be updated, replaced, or obsoleted by other documents at any
	time. It is inappropriate to use Internet-Drafts as reference		time. It is inappropriate to use Internet-Drafts as reference
	material or to cite them other than as "work in progress."		material or to cite them other than as "work in progress."
	This Internet-Draft will expire on July 18, 2020.		This Internet-Draft will expire on December 20, 2020.
	Copyright Notice		Copyright Notice
	Copyright (c) 2020 IETF Trust and the persons identified as the		Copyright (c) 2020 IETF Trust and the persons identified as the
	document authors. All rights reserved.		document authors. All rights reserved.
	This document is subject to BCP 78 and the IETF Trust's Legal		This document is subject to BCP 78 and the IETF Trust's Legal
	Provisions Relating to IETF Documents		Provisions Relating to IETF Documents
	(https://trustee.ietf.org/license-info) in effect on the date of		(https://trustee.ietf.org/license-info) in effect on the date of
	publication of this document. Please review these documents		publication of this document. Please review these documents
	skipping to change at page 5, line 33 ¶		skipping to change at page 5, line 33 ¶
	The EKTField uses the format defined in Figure 1 for the FullEKTField		The EKTField uses the format defined in Figure 1 for the FullEKTField
	and ShortEKTField.		and ShortEKTField.
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	: :		: :
	: EKT Ciphertext :		: EKT Ciphertext :
	: :		: :
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Security Parameter Index | Length |		| Security Parameter Index | Epoch |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	|0 0 0 0 0 0 1 0|		| Length |0 0 0 0 0 0 1 0|
	+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	Figure 1: FullEKTField format		Figure 1: FullEKTField format
	0 1 2 3 4 5 6 7		0 1 2 3 4 5 6 7
	+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+
	|0 0 0 0 0 0 0 0|		|0 0 0 0 0 0 0 0|
	+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+
	Figure 2: ShortEKTField format		Figure 2: ShortEKTField format
	skipping to change at page 24, line 34 ¶		skipping to change at page 24, line 34 ¶
	[I-D.ietf-perc-private-media-framework]		[I-D.ietf-perc-private-media-framework]
	Jones, P., Benham, D., and C. Groves, "A Solution		Jones, P., Benham, D., and C. Groves, "A Solution
	Framework for Private Media in Privacy Enhanced RTP		Framework for Private Media in Privacy Enhanced RTP
	Conferencing (PERC)", draft-ietf-perc-private-media-		Conferencing (PERC)", draft-ietf-perc-private-media-
	framework-12 (work in progress), June 2019.		framework-12 (work in progress), June 2019.
	[I-D.ietf-tls-dtls13]		[I-D.ietf-tls-dtls13]
	Rescorla, E., Tschofenig, H., and N. Modadugu, "The		Rescorla, E., Tschofenig, H., and N. Modadugu, "The
	Datagram Transport Layer Security (DTLS) Protocol Version		Datagram Transport Layer Security (DTLS) Protocol Version
	1.3", draft-ietf-tls-dtls13-34 (work in progress),		1.3", draft-ietf-tls-dtls13-38 (work in progress), May
	November 2019.		2020.
	[RFC4086] Eastlake 3rd, D., Schiller, J., and S. Crocker,		[RFC4086] Eastlake 3rd, D., Schiller, J., and S. Crocker,
	"Randomness Requirements for Security", BCP 106, RFC 4086,		"Randomness Requirements for Security", BCP 106, RFC 4086,
	DOI 10.17487/RFC4086, June 2005,		DOI 10.17487/RFC4086, June 2005,
	<https://www.rfc-editor.org/info/rfc4086>.		<https://www.rfc-editor.org/info/rfc4086>.
	Authors' Addresses		Authors' Addresses
	Cullen Jennings		Cullen Jennings
	Cisco Systems		Cisco Systems
End of changes. 7 change blocks.
	9 lines changed or deleted		9 lines changed or added
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