Re: [kitten] WGLC on draft-ietf-kitten-aes-cts-hmac-sha2-06

Benjamin Kaduk <kaduk@MIT.EDU> Thu, 09 April 2015 22:26 UTC

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Date: Thu, 9 Apr 2015 18:26:40 -0400 (EDT)
From: Benjamin Kaduk <kaduk@MIT.EDU>
To: Jeffrey Altman <jaltman@secure-endpoints.com>
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Cc: kitten@ietf.org
Subject: Re: [kitten] WGLC on draft-ietf-kitten-aes-cts-hmac-sha2-06
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Hi Jeffrey,

On Thu, 9 Apr 2015, Jeffrey Altman wrote:

> My personal opinion is that the last call should not complete
> successfully if it is not possible to verify all of the test vectors.
>
> It would also be my preference that there be two interoperable
> implementations before the working group approves the document.

The authors have used two independent implementations to verify the test
vectors; I have done some additional verification and Greg has done some
different verification as well.

The last I checked, two interoperable implementations was a requirement
for full Internet Standard, and not required even for Proposed Standard
documents, let alone the Information status this document claims to be
targetting. Could you say a bit more about why you feel the situation is
different here?

-Ben