From: Jonathan Nieder <jrnieder@gmail.com> To: Gilles Van Assche <gilles.vanassche@st.com> Cc: Johannes Schindelin <Johannes.Schindelin@gmx.de>, Linus Torvalds <torvalds@linux-foundation.org>, demerphq <demerphq@gmail.com>, Brandon Williams <bmwill@google.com>, Junio C Hamano <gitster@pobox.com>, Git Mailing List <git@vger.kernel.org>, Stefan Beller <sbeller@google.com>, Jonathan Tan <jonathantanmy@google.com>, Jeff King <peff@peff.net>, David Lang <david@lang.hm>, "brian m. carlson" <sandals@crustytoothpaste.net>, Keccak Team <keccak@noekeon.org> Subject: Re: RFC v3: Another proposed hash function transition plan Date: Mon, 18 Sep 2017 15:25:40 -0700 Message-ID: <20170918222540.GX27425@aiede.mtv.corp.google.com> (raw) In-Reply-To: <59BFB95D.1030903@st.com> Hi, Gilles Van Assche wrote: > Hi Johannes, >> SHA-256 got much more cryptanalysis than SHA3-256 […]. > > I do not think this is true. Keccak/SHA-3 actually got (and is still > getting) a lot of cryptanalysis, with papers published at renowned > crypto conferences [1]. > > Keccak/SHA-3 is recognized to have a significant safety margin. E.g., > one can cut the number of rounds in half (as in Keyak or KangarooTwelve) > and still get a very strong function. I don't think we could say the > same for SHA-256 or SHA-512… I just wanted to thank you for paying attention to this conversation and weighing in. Most of the regulars in the git project are not crypto experts. This kind of extra information (and e.g. [2]) is very useful to us. Thanks, Jonathan > Kind regards, > Gilles, for the Keccak team > > [1] https://keccak.team/third_party.html [2] https://public-inbox.org/git/91a34c5b-7844-3db2-cf29-411df5bcf886@noekeon.org/
next prev parent reply index Thread overview: 111+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-03-04 1:12 RFC: " Jonathan Nieder 2017-03-05 2:35 ` Linus Torvalds 2017-03-06 0:26 ` brian m. carlson 2017-03-06 18:24 ` Brandon Williams 2017-06-15 10:30 ` Which hash function to use, was " Johannes Schindelin 2017-06-15 11:05 ` Mike Hommey 2017-06-15 13:01 ` Jeff King 2017-06-15 16:30 ` Ævar Arnfjörð Bjarmason 2017-06-15 19:34 ` Johannes Schindelin 2017-06-15 21:59 ` Adam Langley 2017-06-15 22:41 ` brian m. carlson 2017-06-15 23:36 ` Ævar Arnfjörð Bjarmason 2017-06-16 0:17 ` brian m. carlson 2017-06-16 6:25 ` Ævar Arnfjörð Bjarmason 2017-06-16 13:24 ` Johannes Schindelin 2017-06-16 17:38 ` Adam Langley 2017-06-16 20:52 ` Junio C Hamano 2017-06-16 21:12 ` Junio C Hamano 2017-06-16 21:24 ` Jonathan Nieder 2017-06-16 21:39 ` Ævar Arnfjörð Bjarmason 2017-06-16 20:42 ` Jeff King 2017-06-19 9:26 ` Johannes Schindelin 2017-06-15 21:10 ` Mike Hommey 2017-06-16 4:30 ` Jeff King 2017-06-15 17:36 ` Brandon Williams 2017-06-15 19:20 ` Junio C Hamano 2017-06-15 19:13 ` Jonathan Nieder 2017-03-07 0:17 ` RFC v3: " Jonathan Nieder 2017-03-09 19:14 ` Shawn Pearce 2017-03-09 20:24 ` Jonathan Nieder 2017-03-10 19:38 ` Jeff King 2017-03-10 19:55 ` Jonathan Nieder 2017-09-28 4:43 ` [PATCH v4] technical doc: add a design doc for hash function transition Jonathan Nieder 2017-09-29 6:06 ` Junio C Hamano 2017-09-29 8:09 ` Junio C Hamano 2017-09-29 17:34 ` Jonathan Nieder 2017-10-02 8:25 ` Junio C Hamano 2017-10-02 19:41 ` Jason Cooper 2017-10-02 9:02 ` Junio C Hamano 2017-10-02 19:23 ` Jason Cooper 2017-10-03 5:40 ` Junio C Hamano 2017-10-03 13:08 ` Jason Cooper 2017-10-04 1:44 ` Junio C Hamano 2017-09-06 6:28 ` RFC v3: Another proposed hash function transition plan Junio C Hamano 2017-09-08 2:40 ` Junio C Hamano 2017-09-08 3:34 ` Jeff King 2017-09-11 18:59 ` Brandon Williams 2017-09-13 12:05 ` Johannes Schindelin 2017-09-13 13:43 ` demerphq 2017-09-13 22:51 ` Jonathan Nieder 2017-09-14 18:26 ` Johannes Schindelin 2017-09-14 18:40 ` Jonathan Nieder 2017-09-14 22:09 ` Johannes Schindelin 2017-09-13 23:30 ` Linus Torvalds 2017-09-14 18:45 ` Johannes Schindelin 2017-09-18 12:17 ` Gilles Van Assche 2017-09-18 22:16 ` Johannes Schindelin 2017-09-19 16:45 ` Gilles Van Assche 2017-09-29 13:17 ` Johannes Schindelin 2017-09-29 14:54 ` Joan Daemen 2017-09-29 22:33 ` Johannes Schindelin 2017-09-30 22:02 ` Joan Daemen 2017-10-02 14:26 ` Johannes Schindelin 2017-09-18 22:25 ` Jonathan Nieder [this message] 2017-09-26 17:05 ` Jason Cooper 2017-09-26 22:11 ` Johannes Schindelin 2017-09-26 22:25 ` [PATCH] technical doc: add a design doc for hash function transition Stefan Beller 2017-09-26 23:38 ` Jonathan Nieder 2017-09-26 23:51 ` RFC v3: Another proposed hash function transition plan Jonathan Nieder 2017-10-02 14:54 ` Jason Cooper 2017-10-02 16:50 ` Brandon Williams 2017-10-02 14:00 ` Jason Cooper 2017-10-02 17:18 ` Linus Torvalds 2017-10-02 19:37 ` Jeff King 2017-09-13 16:30 ` Jonathan Nieder 2017-09-13 21:52 ` Junio C Hamano 2017-09-13 22:07 ` Stefan Beller 2017-09-13 22:18 ` Jonathan Nieder 2017-09-14 2:13 ` Junio C Hamano 2017-09-14 15:23 ` Johannes Schindelin 2017-09-14 15:45 ` demerphq 2017-09-14 22:06 ` Johannes Schindelin 2017-09-13 22:15 ` Junio C Hamano 2017-09-13 22:27 ` Jonathan Nieder 2017-09-14 2:10 ` Junio C Hamano 2017-09-14 12:39 ` Johannes Schindelin 2017-09-14 16:36 ` Brandon Williams 2017-09-14 18:49 ` Jonathan Nieder 2017-09-15 20:42 ` Philip Oakley 2017-03-05 11:02 ` RFC: " David Lang [not found] ` <CA+dhYEXHbQfJ6KUB1tWS9u1MLEOJL81fTYkbxu4XO-i+379LPw@mail.gmail.com> 2017-03-06 9:43 ` Jeff King 2017-03-06 23:40 ` Jonathan Nieder 2017-03-07 0:03 ` Mike Hommey 2017-03-06 8:43 ` Jeff King 2017-03-06 18:39 ` Jonathan Tan 2017-03-06 19:22 ` Linus Torvalds 2017-03-06 19:59 ` Brandon Williams 2017-03-06 21:53 ` Junio C Hamano 2017-03-07 8:59 ` Jeff King 2017-03-06 18:43 ` Junio C Hamano 2017-03-07 18:57 ` Ian Jackson 2017-03-07 19:15 ` Linus Torvalds 2017-03-08 11:20 ` Ian Jackson 2017-03-08 15:37 ` Johannes Schindelin 2017-03-13 9:24 ` The Keccak Team 2017-03-13 17:48 ` Jonathan Nieder 2017-03-13 18:34 ` ankostis 2017-03-17 11:07 ` Johannes Schindelin 2017-03-08 15:40 Johannes Schindelin 2017-03-20 5:21 ` Use base32? Jason Hennessey 2017-03-20 5:58 ` Michael Steuer 2017-03-20 8:05 ` Jacob Keller 2017-03-21 3:07 ` Michael Steuer
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