Re: [Cfrg] [secdir] ISE seeks help with some crypto drafts

Ted Krovetz <ted@krovetz.net> Sun, 10 March 2019 19:05 UTC

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From: Ted Krovetz <ted@krovetz.net>
In-Reply-To: <20190310182935.GE8182@kduck.mit.edu>
Date: Sun, 10 Mar 2019 12:05:23 -0700
Cc: "RFC ISE (Adrian Farrel)" <rfc-ise@rfc-editor.org>, secdir <secdir@ietf.org>
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Subject: Re: [Cfrg] [secdir] ISE seeks help with some crypto drafts
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> On Mar 10, 2019, at 11:29 AM, Benjamin Kaduk <kaduk@mit.edu> wrote:
> 
> failed to find a great deal of motivation for needing the new modes

I would like to remind everyone that OCB is not a "new mode". It is specified in RFC 7253. This work generalizes the specification -- without changing the 128-bit block case -- to allow other block cipher block lengths.