Re: [Cfrg] I-D Action: draft-irtf-cfrg-chacha20-poly1305-00.txt
Yoav Nir <ynir.ietf@gmail.com> Tue, 05 August 2014 06:06 UTC
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From: Yoav Nir <ynir.ietf@gmail.com>
In-Reply-To: <535F2867-E8C6-42B9-940C-891FC452EC88@whittington.net.nz>
Date: Tue, 05 Aug 2014 09:06:36 +0300
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To: Tim Whittington <cfrg@whittington.net.nz>
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Subject: Re: [Cfrg] I-D Action: draft-irtf-cfrg-chacha20-poly1305-00.txt
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Hi, Tim. The original text (copied from some page Google turned up by searching for “Jabberwocky” is as follows: 'Twas brillig, and the slithy toves Did gyre and gimble in the wabe: All mimsy were the borogoves, And the mome raths outgrabe. The hex representation shows any non-printable character (code<32 or code>=127) as a period. So only the last character in the test vector is an actual period. Hope this helps Yoav On Aug 5, 2014, at 5:27 AM, Tim Whittington <cfrg@whittington.net.nz> wrote: > I note that there is a repeated error in the HEX <-> ASCII conversion for the test vectors that use the phrase "'Twas brillig, and the slithy roves…”: > - A.2, Test Vector #3 > - A.3, Test Vector #4 > > I can verify the test vectors using the hex plaintext, but this is not representative of the actual text. > Specifically all but the last period (ASCII 0x2e) in the text are 0x0A in the hex representation. > > The error is also in draft-nir-cfrg-chacha20-poly1305. > > cheers > tim > > > > On 24/07/2014, at 9:34 am, internet-drafts@ietf.org wrote: > >> >> A New Internet-Draft is available from the on-line Internet-Drafts directories. >> This draft is a work item of the Crypto Forum Research Group Working Group of the IETF. >> >> Title : ChaCha20 and Poly1305 for IETF protocols >> Authors : Yoav Nir >> Adam Langley >> Filename : draft-irtf-cfrg-chacha20-poly1305-00.txt >> Pages : 38 >> Date : 2014-07-23 >> >> Abstract: >> This document defines the ChaCha20 stream cipher, as well as the use >> of the Poly1305 authenticator, both as stand-alone algorithms, and as >> a "combined mode", or Authenticated Encryption with Additional Data >> (AEAD) algorithm. >> >> This document does not introduce any new crypto, but is meant to >> serve as a stable reference and an implementation guide. >> >> >> The IETF datatracker status page for this draft is: >> https://datatracker.ietf.org/doc/draft-irtf-cfrg-chacha20-poly1305/ >> >> There's also a htmlized version available at: >> http://tools.ietf.org/html/draft-irtf-cfrg-chacha20-poly1305-00 >> >> >> Please note that it may take a couple of minutes from the time of submission >> until the htmlized version and diff are available at tools.ietf.org. >> >> Internet-Drafts are also available by anonymous FTP at: >> ftp://ftp.ietf.org/internet-drafts/ >> >> _______________________________________________ >> Cfrg mailing list >> Cfrg@irtf.org >> http://www.irtf.org/mailman/listinfo/cfrg > > _______________________________________________ > Cfrg mailing list > Cfrg@irtf.org > http://www.irtf.org/mailman/listinfo/cfrg
- [Cfrg] I-D Action: draft-irtf-cfrg-chacha20-poly1… internet-drafts
- Re: [Cfrg] I-D Action: draft-irtf-cfrg-chacha20-p… Tim Whittington
- Re: [Cfrg] I-D Action: draft-irtf-cfrg-chacha20-p… Yoav Nir