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Re: [TLS] Last Call: <draft-kanno-tls-camellia-00.txt> (Additionx

Peter Gutmann <pgut001@cs.auckland.ac.nz> Tue, 08 March 2011 23:44 UTC

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From: Peter Gutmann <pgut001@cs.auckland.ac.nz>
To: mrex@sap.com
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Date: Wed, 09 Mar 2011 12:45:55 +1300
Cc: ietf@ietf.org, tls@ietf.org
Subject: Re: [TLS] Last Call: <draft-kanno-tls-camellia-00.txt> (Additionx
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Martin Rex <mrex@sap.com> writes:

>Truncating the PRF output to 12 octets for TLSv1.2 seems like an error.

It's not an error, it's IPsec cargo cult design.  OK, using cargo cult design 
for a security protocol probably rates as an error, but the choice of exactly 
96 bits was deliberate rather than the full size was deliberate.

Peter.

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