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Re: [TLS] ChaCha and IVs

Adam Langley <agl@google.com> Tue, 04 March 2014 18:57 UTC

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From: Adam Langley <agl@google.com>
Date: Tue, 04 Mar 2014 13:56:31 -0500
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To: Dr Stephen Henson <lists@drh-consultancy.co.uk>
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Subject: Re: [TLS] ChaCha and IVs
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On Tue, Mar 4, 2014 at 1:29 PM, Dr Stephen Henson
<lists@drh-consultancy.co.uk> wrote:
> It has been a while since I looked at this in detail but from memory it
> effectively meant the explicit part of the IV had to be generated by the module
> itself on encrypt.

I feel this is a problem that FIPS needs to sort out (they don't have
a concept of an AEAD, I assume).

I'm unwilling to have the whole world waste bandwidth, and have a more
dangerous specification, because of a bureaucratic problem.


Cheers

AGL

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