A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Using ZRTP to Secure WebRTC
Author(s) : Alan Johnston
Phil Zimmermann
Jon Callas
Travis Cross
John Yoakum
Filename : draft-johnston-rtcweb-zrtp-00.txt
Pages : 10
Date : 2013-08-22
Abstract:
WebRTC, Web Real-Time Communications, is a set of protocols and APIs
used to enable web developers to add real-time communications into
their web pages and applications with a few lines of JavaScript.
WebRTC media flows are encrypted and authenticated by SRTP, the
Secure Real-time Transport Protocol while the key agreement is
provided by DTLS-SRTP, Datagram Transport Layer Security for Secure
Real-time Transport Protocol. However, without some third party
identity service or certificate authority, WebRTC media flows have no
protection against a man-in-the-middle (MitM) attack. ZRTP, Media
Path Key Agreement for Unicast Secure RTP, RFC 6189, does provide
protection against MitM attackers using key continuity augmented with
a Short Authentication String (SAS). This specification describes
how ZRTP can be used over the WebRTC data channel to provide MitM
protection for WebRTC media flows keyed using DTLS-SRTP. This
provides users protection against MitM attackers without requiring
browsers to support ZRTP or users to download a plugin or extension
to implement ZRTP.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-johnston-rtcweb-zrtp
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-johnston-rtcweb-zrtp-00
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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