From: Hans Petter Selasky <hps@selasky.org>
To: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Cc: rsbecker@nexbridge.com, git@vger.kernel.org
Subject: Re: Gitorious should use CRC128 / 256 / 512 instead of SHA-1
Date: Fri, 13 Jan 2023 17:45:45 +0100 [thread overview]
Message-ID: <af36e6cd-f649-5ef5-ecdb-19555833b5d4@selasky.org> (raw)
In-Reply-To: <20230113164131.swif4buln2py7tyl@meerkat.local>
On 1/13/23 17:41, Konstantin Ryabitsev wrote:
> It doesn't matter how it works behind the scenes as long as the produced hash
> is not unique (and CRC gives you no assurance of being unique). Git is built
> on the concept that every object has a unique hash. If this is no longer true,
> then it's literally no longer git, but is something else.
That's why I say you need a fixup field, in case of collisions. CRC is
used plenty all over the place and has good entropy.
--HPS
next prev parent reply other threads:[~2023-01-13 16:49 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-13 12:59 Gitorious should use CRC128 / 256 / 512 instead of SHA-1 Hans Petter Selasky
2023-01-13 13:30 ` Konstantin Khomoutov
2023-01-13 13:39 ` Hans Petter Selasky
2023-01-13 14:21 ` rsbecker
2023-01-13 14:42 ` Hans Petter Selasky
2023-01-13 15:45 ` Konstantin Ryabitsev
2023-01-13 15:50 ` Hans Petter Selasky
2023-01-13 15:56 ` rsbecker
2023-01-13 16:02 ` Hans Petter Selasky
2023-01-13 15:54 ` Hans Petter Selasky
2023-01-13 16:02 ` Konstantin Ryabitsev
2023-01-13 16:06 ` Hans Petter Selasky
2023-01-13 16:18 ` Hans Petter Selasky
2023-01-13 16:36 ` Konstantin Ryabitsev
2023-01-13 16:44 ` Hans Petter Selasky
2023-01-13 16:49 ` Konstantin Ryabitsev
2023-01-13 16:51 ` Hans Petter Selasky
2023-01-13 16:27 ` Konstantin Ryabitsev
2023-01-13 16:30 ` Hans Petter Selasky
2023-01-13 16:35 ` Hans Petter Selasky
2023-01-13 16:41 ` Konstantin Ryabitsev
2023-01-13 16:45 ` Hans Petter Selasky [this message]
2023-01-13 15:15 ` Hans Petter Selasky
2023-01-13 17:44 ` Philip Oakley
2023-01-13 15:30 ` Konstantin Khomoutov
2023-01-13 15:39 ` Konstantin Ryabitsev
-- strict thread matches above, loose matches on Subject: below --
2023-01-13 13:23 Hans Petter Selasky
2023-01-14 23:59 ` brian m. carlson
2023-01-15 3:14 ` Junio C Hamano
2023-01-15 10:09 ` demerphq
2023-01-16 7:21 ` Hans Petter Selasky
2023-01-16 7:23 ` Hans Petter Selasky
2023-01-16 12:34 ` rsbecker
2023-01-16 14:01 ` Hans Petter Selasky
2023-01-16 15:06 ` Junio C Hamano
2023-01-15 13:53 ` Michal Suchánek
2023-01-16 7:17 ` Hans Petter Selasky
2023-01-16 9:13 ` Michal Suchánek
2023-01-16 9:55 ` Hans Petter Selasky
2023-01-16 12:31 ` rsbecker
2023-01-16 14:10 ` Hans Petter Selasky
2023-01-16 19:08 ` Michal Suchánek
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