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Re: [Cfrg] draft-irtf-cfrg-eddsa -- one final proposal for domain separation (context labels) for ed25519

"Salz, Rich" <rsalz@akamai.com> Wed, 20 April 2016 13:00 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Daniel Kahn Gillmor <dkg@fifthhorseman.net>, "Paterson, Kenny" <Kenny.Paterson@rhul.ac.uk>, "cfrg@ietf.org" <cfrg@ietf.org>, "draft-irtf-cfrg-eddsa.all@ietf.org" <draft-irtf-cfrg-eddsa.all@ietf.org>
Thread-Topic: draft-irtf-cfrg-eddsa -- one final proposal for domain separation (context labels) for ed25519
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Date: Wed, 20 Apr 2016 12:59:58 +0000
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References: <87bn543id1.fsf@alice.fifthhorseman.net> <D33CFF00.6A70D%kenny.paterson@rhul.ac.uk> <11c960b5f1fa42aaaf4cd0a6961332ec@usma1ex-dag1mb1.msg.corp.akamai.com> <87ziso1m0l.fsf@alice.fifthhorseman.net>
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Cc: Ondřej Surý <ondrej@sury.org>, Robert Edmonds <edmonds@debian.org>, "Kaduk, Ben" <bkaduk@akamai.com>, Martin Thomson <martin.thomson@gmail.com>
Subject: Re: [Cfrg] draft-irtf-cfrg-eddsa -- one final proposal for domain separation (context labels) for ed25519
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>   If no context label is supplied, it is treated as an octet string of
>   zero length; that is, (context || x) is the same as x.

Works for me!

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