linux-kernel - Re: [PATCH v0] Add SHA-3 hash algorithm

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Date:	Wed, 03 Oct 2012 03:17:34 -0400
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
CC:	David Miller <davem@...emloft.net>, linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v0] Add SHA-3 hash algorithm

On 10/03/2012 03:11 AM, Herbert Xu wrote:
> On Wed, Oct 03, 2012 at 02:53:27AM -0400, Jeff Garzik wrote:
>>
>> Maybe my patch is the best we can do in the current kernel, if
>> dynamic digest size is not currently possible. Register "sha3_224",
>> "sha3_256", ... as you describe, and wait for actual users to appear
>> with unsupported digest sizes.
>
> Let's see what people use before we do anything more fancy.
>
> If the variants really start proliferating, we can add a template
> called "trunc" and then have things like "trunc(sha3,224)", etc.

If they start proliferating, you really just want a single "sha3(n)", 
one single shash_alg registered at driver init time.

	Jeff




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