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Re: [Cfrg] AEAD outputs and RFC 7539 (ChaCha20-Poly1305)

Martin Thomson <martin.thomson@gmail.com> Mon, 23 May 2016 23:57 UTC

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Date: Mon, 23 May 2016 19:57:10 -0400
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From: Martin Thomson <martin.thomson@gmail.com>
To: Adam Langley <agl@imperialviolet.org>
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Subject: Re: [Cfrg] AEAD outputs and RFC 7539 (ChaCha20-Poly1305)
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On 23 May 2016 at 19:36, Adam Langley <agl@imperialviolet.org> wrote:
> I favour the model of RFC5116, but it's not universal. There are
> certainly cases where the separate parts are used, for example when
> encrypting in place and storing tags out of band.


I'm sure those people with special needs can use special tools.  The
only reason I point this out is that it makes it harder to point at
ChaCha... as an AEAD.

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