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Re: [TLS] Last Call: <draft-kanno-tls-camellia-00.txt> (Addition of the Camellia Cipher Suites to Transport Layer Security (TLS)) to Informational RFC

Nikos Mavrogiannopoulos <nmav@gnutls.org> Wed, 23 February 2011 18:00 UTC

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Sender: Nikos Mavrogiannopoulos <n.mavrogiannopoulos@gmail.com>
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Date: Wed, 23 Feb 2011 19:00:45 +0100
From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
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Cc: tls@ietf.org
Subject: Re: [TLS] Last Call: <draft-kanno-tls-camellia-00.txt> (Addition of the Camellia Cipher Suites to Transport Layer Security (TLS)) to Informational RFC
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On 02/23/2011 06:29 PM, The IESG wrote:
> 
> The IESG has received a request from an individual submitter to
> consider the following document: - 'Addition of the Camellia Cipher
> Suites to Transport Layer Security (TLS)' 
> <draft-kanno-tls-camellia-00.txt> as an Informational RFC
> 
> The IESG plans to make a decision in the next few weeks, and
> solicits final comments on this action. Please send substantive
> comments to the ietf@ietf.org mailing lists by 2011-03-23.
> Exceptionally, comments may be sent to iesg@ietf.org instead. In
> either case, please retain the beginning of the Subject line to allow
> automated sorting.
> 
> The file can be obtained via 
> http://datatracker.ietf.org/doc/draft-kanno-tls-camellia/

I see that this document defines ciphersuites with a PRF based on
SHA384... However it does not specify the verify_data_length, thus
the default value of 12 applies, and the SHA384 PRF is being truncated
to 96 bits. Is this intentional? If yes, then what is the purpose to
use the SHA384 as PRF?

regards,
Nikos

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