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Encrypted Key Transport for Secure RTP

Document type: Expired Internet-Draft (avtcore WG)
Document stream: IETF
Last updated: 2014-08-18 (latest revision 2014-02-14)
Intended RFC status: Unknown
Other versions: (expired, archived): plain text, pdf, html

IETF State: WG Document Dec 2013
Revised I-D Needed - Issue raised by WG
Document shepherd: Magnus Westerlund

IESG State: Expired
Responsible AD: (None)
Send notices to: No addresses provided

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found here:


Encrypted Key Transport (EKT) is an extension to Secure Real-time Transport Protocol (SRTP) that provides for the secure transport of SRTP master keys, Rollover Counters, and other information. This facility enables SRTP to work for decentralized conferences with minimal control. This note defines EKT, and also describes how to use it with SDP Security Descriptions, DTLS-SRTP, and MIKEY. With EKT, these other key management protocols provide an EKT key to everyone in a session, and EKT coordinates the SRTP keys within the session.


David McGrew <>
Dan Wing <>

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid)