Re: [TLS] TLS 1.2 Long-term Support Profile draft posted

Peter Gutmann <pgut001@cs.auckland.ac.nz> Fri, 25 March 2016 09:12 UTC

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From: Peter Gutmann <pgut001@cs.auckland.ac.nz>
To: Hubert Kario <hkario@redhat.com>
Thread-Topic: [TLS] TLS 1.2 Long-term Support Profile draft posted
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Date: Fri, 25 Mar 2016 09:11:52 +0000
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Subject: Re: [TLS] TLS 1.2 Long-term Support Profile draft posted
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Hubert Kario <hkario@redhat.com>; writes:

>I was thinking of something like the following:
>
>  The length of verify_data (verify_data_length) in the Finished message
>  MUST be equal to the length of output of the hash function used as the
>  basis of the PRF selected for the ciphersuite. That is, in case of
>  SHA-256 based PRF 32 octets MUST be used. This overrides the
>  requirement from Section 7.4.9. of RFC 5246 that all ciphersuites
>  defined at that time have verify_data_length of 12.

Thanks, I've added words to that effect to the draft, and also added a few
other cleanups as well.

Peter.