From: Hans Petter Selasky <hps@selasky.org>
Date: Fri, 13 Jan 2023 16:45:45 GMT
Subject: Re: Gitorious should use CRC128 / 256 / 512 instead of SHA-1
Message-ID: <af36e6cd-f649-5ef5-ecdb-19555833b5d4@selasky.org>
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