netdev - Re: Where exactly will arch_fast

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Message-ID: <20141209142423.GB9745@gondor.apana.org.au>
Date:	Tue, 9 Dec 2014 22:24:23 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	George Spelvin <linux@...izon.com>
Cc:	davem@...emloft.net, dborkman@...hat.com,
	hannes@...essinduktion.org, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, tgraf@...g.ch, tytso@....edu
Subject: Re: Where exactly will arch_fast_hash be used

On Sun, Dec 07, 2014 at 08:23:05AM -0500, George Spelvin wrote:
>
> Okay, I'm confused.  *What* scheme?  The arch_fast_hash interface doesn't
> have any provision for a secret.  Because there's no point to having one;

It does actually, in the form of the seed parameter.  That's why
it's so bad: it pretends to be a semi-secure hash function that
people will use in hash tables.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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