Re: [CFRG] HKDF - difference in counter between original paper and RFC 5869

Peter Gutmann <pgut001@cs.auckland.ac.nz> Wed, 01 June 2022 21:04 UTC

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From: Peter Gutmann <pgut001@cs.auckland.ac.nz>
To: Neil Madden <neil.e.madden@gmail.com>, IRTF CFRG <cfrg@irtf.org>
Thread-Topic: [CFRG] HKDF - difference in counter between original paper and RFC 5869
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Date: Wed, 01 Jun 2022 21:04:36 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/cfrg/EbybtdXr8VV6bRHNhE07EEm_SgM>
Subject: Re: [CFRG] HKDF - difference in counter between original paper and RFC 5869
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Neil Madden <neil.e.madden@gmail.com> writes:

>I can’t find any rationale for why this change was made in the RFC

Since no-one else has replied, I'll offer a guess, something that's happened a
number of times in the past: Transcription error, a detail from the original
spec was copied incorrectly into the RFC.

Peter.