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Title : Using Authenticated Encryption with Replay prOtection (AERO) in SRTP
Author(s) : David A. McGrew
Dan Wing
John Foley
Filename : draft-mcgrew-srtp-aero-00.txt
Pages : 16
Date : 2013-10-21
Abstract:
Authenticated Encryption with Replay prOtection (AERO) is a
cryptographic technique that provides all of the security services
that are used in the Secure Real-time Transport Protocol (SRTP).
This note describes how to use AERO in SRTP. AERO has minimal data
expansion, avoids the need to manage implicit state, and provides
strong misuse resistance. These properties make it an ideal
cryptographic transform for SRTP, as it enables SRTP to easily handle
multiple senders sharing the same key, multiple receivers with late-
joiners in a session, decentralized conferences with minimal control,
and mixers that selectively forward RTP traffic. RTP architectures
that utilize AERO can use the normal SSRC collision detection
mechanism, and can ignore problematic SRTP artifacts such as the
Roll-Over Counter (ROC) and Initial Sequence Number.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-mcgrew-srtp-aero
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-mcgrew-srtp-aero-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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