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Re: [TLS] Upload of draft-pironti-tls-length-hiding-00

Alfredo Pironti <alfredo.pironti@inria.fr> Thu, 07 February 2013 10:27 UTC

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Date: Thu, 07 Feb 2013 11:27:01 +0100
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From: Alfredo Pironti <alfredo.pironti@inria.fr>
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Subject: Re: [TLS] Upload of draft-pironti-tls-length-hiding-00
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PS: The draft is available at:
http://tools.ietf.org/html/draft-pironti-tls-length-hiding-00


On Thu, Feb 7, 2013 at 11:24 AM, Alfredo Pironti
<alfredo.pironti@inria.fr> wrote:
> Dear all,
>
> I uploaded a draft that explains how to correctly use extra padding in
> TLS to effectively hide the plaintext length. The draft proposes an
> extension where length-hiding padding can be used with any cipher.
>
> Furthermore, by including the pad in the MAC computation, the proposed
> extension fixes the notorious padding oracle attacks on TLS block
> ciphers.
>
> The proposed extension and length-hiding mechanism are implemented in
> GnuTLS 3.1.7.
>
> I look forward to your comments and suggestions!
>
> Best regards,
> Alfredo

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