Re: [kitten] [saag] AD sponsoring draft-hansen-scram-sha256

Martin Thomson <martin.thomson@gmail.com> Mon, 16 February 2015 10:15 UTC

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Date: Mon, 16 Feb 2015 21:15:40 +1100
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From: Martin Thomson <martin.thomson@gmail.com>
To: Simon Josefsson <simon@josefsson.org>
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Subject: Re: [kitten] [saag] AD sponsoring draft-hansen-scram-sha256
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On 16 February 2015 at 20:48, Simon Josefsson <simon@josefsson.org> wrote:
> Since SCRAM was published, we have learned that the tls-unique channel
> binding is insecure -- it would be nice if we could combine the SHA256
> update with another default channel binding type to resolve that
> problem.  In my view, the problem with SCRAM today isn't primarily its
> use of SHA1 but it's broken channel binding.


We have a solution for that:
https://tools.ietf.org/html/draft-ietf-tls-session-hash