Re: [TLS] Pull Request: Removing the AEAD explicit IV

Adam Langley <agl@imperialviolet.org> Thu, 19 March 2015 20:25 UTC

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From: Adam Langley <agl@imperialviolet.org>
To: Eric Rescorla <ekr@rtfm.com>
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Subject: Re: [TLS] Pull Request: Removing the AEAD explicit IV
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On Thu, Mar 19, 2015 at 12:58 PM, Eric Rescorla <ekr@rtfm.com>; wrote:
> Are other people concerned about this issue? I seem to remember this
> being discussed in the interim and AGL being opposed to this change.

I would phrase it as an extended key to the AEAD and keep the nonce
the same, but I'm not opposed so starting at a random point in the
nonce space and counting from there. However, since the AES-GCM AEAD
is already defined I can see the practical argument for having TLS do
the nonce masking.


Cheers

AGL

-- 
Adam Langley agl@imperialviolet.org https://www.imperialviolet.org