linux-kernel - Re: [PATCH v2] DRBG: fix maximum value checks on 32 bit systems

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Message-ID: <20140827133528.GA15871@gondor.apana.org.au>
Date:	Wed, 27 Aug 2014 21:35:28 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Stephan Mueller <smueller@...onox.de>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] DRBG: fix maximum value checks on 32 bit systems

On Tue, Aug 26, 2014 at 11:36:54AM +0200, Stephan Mueller wrote:
>
> The max_addtllen and max_req are defined in drbg_cores[] in crypto/drbg.c for 
> each DRBG type. As size_t on a 32 bit system is 32 bit the bit shifts would 
> not work either.
> 
> Thus, I am wondering whether the just applied patch would need to go to Linus 
> tree too? I would think that the following patch would be in order:

Have you actually tested this on a 32-bit box? If so and it
actually works then I'd be happy to push it.

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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