Re: [TLS] NIST TLS recomendations (IV generation)

Eric Rescorla <ekr@networkresonance.com> Tue, 21 November 2006 22:44 UTC

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To: Ray Perlner <ray.perlner@nist.gov>
Subject: Re: [TLS] NIST TLS recomendations (IV generation)
References: <279DDDAFA85EC74C9300A0598E704056FE69FD@hdsmsx412.amr.corp.intel.com> <20061121174252.GB15201@tau.invalid> <7.0.1.0.2.20061121155529.02175ba8@nist.gov>
From: Eric Rescorla <ekr@networkresonance.com>
Date: Tue, 21 Nov 2006 14:43:57 -0800
In-Reply-To: <7.0.1.0.2.20061121155529.02175ba8@nist.gov> (Ray Perlner's message of "Tue, 21 Nov 2006 16:14:41 -0500")
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Ray Perlner <ray.perlner@nist.gov> writes:
> It seems to me, that the proposed wording rules out procedure 2 and
> the alternate procedure, as in those procedures it is not the IV, but
> the first encrypted block which is unpredictable.

But the first encrypted block is then used as the TLS IV.
We're just talking about the interface with the encryption
module.

-Ekr

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