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Re: [TLS] MITM Attacks on Client Authentication after Resumption

Adam Langley <agl@google.com> Mon, 03 March 2014 22:07 UTC

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From: Adam Langley <agl@google.com>
Date: Mon, 03 Mar 2014 17:07:05 -0500
Message-ID: <CAL9PXLyrU1gSwpUywB7X1WS5wj9eEVT6CL9B8zsNtdcDViBLRg@mail.gmail.com>
To: Andrei Popov <Andrei.Popov@microsoft.com>
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Subject: Re: [TLS] MITM Attacks on Client Authentication after Resumption
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On Mon, Mar 3, 2014 at 4:07 PM, Andrei Popov <Andrei.Popov@microsoft.com> wrote:
> It appears that the attack described is only feasible when two
> implementation defects are present:

That's not an unreasonable characterisation of the renegotiation-based
attacks, but the problem with tls-unique is more fundamental.


Cheers

AGL

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