Re: [TLS] Rizzo claims implementation attach, should be interesting

Eric Rescorla <ekr@rtfm.com> Tue, 20 September 2011 03:47 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Mon, 19 Sep 2011 20:49:27 -0700
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To: Marsh Ray <marsh@extendedsubset.com>
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Cc: Steingruebl Andy <asteingruebl@paypal-inc.com>, tls@ietf.org
Subject: Re: [TLS] Rizzo claims implementation attach, should be interesting
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On Mon, Sep 19, 2011 at 7:31 PM, Marsh Ray <marsh@extendedsubset.com> wrote:
> Does anyone believe there would be support for a TLS 1.0 Hello extension
> that could compatibly negotiate the use of empty messages in each direction
> as a mitigation for this attack?

The difference between TLS 1.0 and TLS 1.1 is so slight that if TLS
1.1 is indeed
immune it would probably be easier to just have servers upgrade to 1.1.

-Ekr