Subject: Re: [AVTCORE] I-D Action:draft-ietf-avtcore-srtp-vbr-audio-02.txt

From: "Christian Hoene" <[email-masked]>
Date: Sat, 28 May 2011 07:35:20 +0200

Hi Collin and Jean-Marc,

you might want to read 
http://www.cs.unc.edu/~amw/resources/hooktonfoniks.pdf
which confirms your security concerns in respect to variable rate speech
coding.

With best regards,

 Christian Hoene

> -----Original Message-----
> From: [email-masked] [mailto:[email-masked]] On Behalf Of
> [email-masked]
> Sent: Thursday, April 28, 2011 10:15 AM
> To: [email-masked]
> Cc: [email-masked]
> Subject: [AVTCORE] I-D Action:draft-ietf-avtcore-srtp-vbr-audio-02.txt
> 
> A New Internet-Draft is available from the on-line Internet-Drafts
directories.
> This draft is a work item of the Audio/Video Transport Core Maintenance
> Working Group of the IETF.
> 
> 
> 	Title           : Guidelines for the use of Variable Bit Rate Audio
with
> Secure RTP
> 	Author(s)       : C. Perkins, J. Valin
> 	Filename        : draft-ietf-avtcore-srtp-vbr-audio-02.txt
> 	Pages           : 7
> 	Date            : 2011-04-28
> 
> This memo discusses potential security issues that arise when using
> variable bit rate audio with the secure RTP profile.  Guidelines to
> mitigate these issues are suggested.
> 
> A URL for this Internet-Draft is:
>
http://www.ietf.org/internet-drafts/draft-ietf-avtcore-srtp-vbr-audio-02.txt
> 
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
> 
> Below is the data which will enable a MIME compliant mail reader
> implementation to automatically retrieve the ASCII version of the
> Internet-Draft.