From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: git@vger.kernel.org
Cc: "Junio C Hamano" <gitster@pobox.com>,
"Linus Torvalds" <torvalds@linux-foundation.org>,
"Edward Thomson" <ethomson@edwardthomson.com>,
"brian m . carlson" <sandals@crustytoothpaste.net>,
"Jonathan Nieder" <jrnieder@gmail.com>,
"Johannes Schindelin" <Johannes.Schindelin@gmx.de>,
demerphq <demerphq@gmail.com>, "Adam Langley" <agl@google.com>,
keccak@noekeon.org, "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Subject: [PATCH 0/2] document that NewHash is now SHA-256
Date: Wed, 25 Jul 2018 08:30:22 +0000 [thread overview]
Message-ID: <20180725083024.16131-1-avarab@gmail.com> (raw)
In-Reply-To: <xmqqzhygwd5o.fsf@gitster-ct.c.googlers.com>
On Tue, Jul 24 2018, Junio C Hamano wrote:
> Linus Torvalds <torvalds@linux-foundation.org> writes:
>
>> On Tue, Jul 24, 2018 at 12:01 PM Edward Thomson
>> <ethomson@edwardthomson.com> wrote:
>>>
>>> Switching gears, if I look at this from the perspective of the libgit2
>>> project, I would also prefer SHA-256 or SHA3 over blake2b. To support
>>> blake2b, we'd have to include - and support - that code ourselves. But
>>> to support SHA-256, we would simply use the system's crypto libraries
>>> that we already take a dependecy on (OpenSSL, mbedTLS, CryptoNG, or
>>> SecureTransport).
>>
>> I think this is probably the single strongest argument for sha256.
>> "It's just there".
>
> Yup. I actually was leaning toward saying "all of them are OK in
> practice, so the person who is actually spear-heading the work gets
> to choose", but if we picked SHA-256 now, that would not be a choice
> that Brian has to later justify for choosing against everybody
> else's wishes, which makes it the best choice ;-)
Looks like it's settled then. I thought I'd do the grunt work of
updating the relevant documentation so we can officially move on from
the years-long NewHash discussion.
Ævar Arnfjörð Bjarmason (2):
doc hash-function-transition: note the lack of a changelog
doc hash-function-transition: pick SHA-256 as NewHash
.../technical/hash-function-transition.txt | 192 ++++++++++--------
1 file changed, 102 insertions(+), 90 deletions(-)
--
2.17.0.290.gded63e768a
next prev parent reply other threads:[~2018-07-25 8:30 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-09 20:56 State of NewHash work, future directions, and discussion brian m. carlson
2018-06-09 21:26 ` Ævar Arnfjörð Bjarmason
2018-06-09 22:49 ` Hash algorithm analysis brian m. carlson
2018-06-11 19:29 ` Jonathan Nieder
2018-06-11 20:20 ` Linus Torvalds
2018-06-11 23:27 ` Ævar Arnfjörð Bjarmason
2018-06-12 0:11 ` David Lang
2018-06-12 0:45 ` Linus Torvalds
2018-06-11 22:35 ` brian m. carlson
2018-06-12 16:21 ` Gilles Van Assche
2018-06-13 23:58 ` brian m. carlson
2018-06-15 10:33 ` Gilles Van Assche
2018-07-20 21:52 ` brian m. carlson
2018-07-21 0:31 ` Jonathan Nieder
2018-07-21 19:52 ` Ævar Arnfjörð Bjarmason
2018-07-21 20:25 ` brian m. carlson
2018-07-21 22:38 ` Johannes Schindelin
2018-07-21 23:09 ` Linus Torvalds
2018-07-21 23:59 ` brian m. carlson
2018-07-22 9:34 ` Eric Deplagne
2018-07-22 14:21 ` brian m. carlson
2018-07-22 14:55 ` Eric Deplagne
2018-07-26 10:05 ` Johannes Schindelin
2018-07-22 15:23 ` Joan Daemen
2018-07-22 18:54 ` Adam Langley
2018-07-26 10:31 ` Johannes Schindelin
2018-07-23 12:40 ` demerphq
2018-07-23 12:48 ` Sitaram Chamarty
2018-07-23 12:55 ` demerphq
2018-07-23 18:23 ` Linus Torvalds
2018-07-23 17:57 ` Stefan Beller
2018-07-23 18:35 ` Jonathan Nieder
2018-07-24 19:01 ` Edward Thomson
2018-07-24 20:31 ` Linus Torvalds
2018-07-24 20:49 ` Jonathan Nieder
2018-07-24 21:13 ` Junio C Hamano
2018-07-24 22:10 ` brian m. carlson
2018-07-30 9:06 ` Johannes Schindelin
2018-07-30 20:01 ` Dan Shumow
2018-08-03 2:57 ` Jonathan Nieder
2018-09-18 15:18 ` Joan Daemen
2018-09-18 15:32 ` Jonathan Nieder
2018-09-18 16:50 ` Linus Torvalds
2018-07-25 8:30 ` Ævar Arnfjörð Bjarmason [this message]
2018-07-25 8:30 ` [PATCH 1/2] doc hash-function-transition: note the lack of a changelog Ævar Arnfjörð Bjarmason
2018-07-25 8:30 ` [PATCH 2/2] doc hash-function-transition: pick SHA-256 as NewHash Ævar Arnfjörð Bjarmason
2018-07-25 16:45 ` Junio C Hamano
2018-07-25 17:25 ` Jonathan Nieder
2018-07-25 21:32 ` Junio C Hamano
2018-07-26 13:41 ` [PATCH v2 " Ævar Arnfjörð Bjarmason
2018-08-03 7:20 ` Jonathan Nieder
2018-08-03 16:40 ` Junio C Hamano
2018-08-03 17:01 ` Linus Torvalds
2018-08-03 16:42 ` Linus Torvalds
2018-08-03 17:43 ` Ævar Arnfjörð Bjarmason
2018-08-04 8:52 ` Jonathan Nieder
2018-08-03 17:45 ` brian m. carlson
2018-07-25 22:56 ` [PATCH " brian m. carlson
2018-06-11 21:19 ` Hash algorithm analysis Ævar Arnfjörð Bjarmason
2018-06-21 8:20 ` Johannes Schindelin
2018-06-21 22:39 ` brian m. carlson
2018-06-11 18:09 ` State of NewHash work, future directions, and discussion Duy Nguyen
2018-06-12 1:28 ` brian m. carlson
2018-06-11 19:01 ` Jonathan Nieder
2018-06-12 2:28 ` brian m. carlson
2018-06-12 2:42 ` Jonathan Nieder
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