linux-kernel - Re: [PATCH 0/8] DRBG: efficiency patches

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Message-ID: <20140825124218.GH28815@gondor.apana.org.au>
Date:	Mon, 25 Aug 2014 20:42:19 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Stephan Mueller <smueller@...onox.de>
Cc:	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: Re: [PATCH 0/8] DRBG: efficiency patches

On Sun, Aug 17, 2014 at 05:37:04PM +0200, Stephan Mueller wrote:
> Hi,
> 
> The following patch set contains random fixes to increase the efficiency of
> the DRBG. Changes include the removal of unneeded memset(0) and sanity
> checks. All changes do not weaken the implementation as only code is
> removed that is clearly covered by other code paths.
> 
> In addition, the cpu_to_be kernel function together with a type cast is
> used to convert an integer into its string representation. This patch
> increases the speed of the DRBG by 10%.
> 
> Stephan Mueller (8):
>   DRBG: replace int2byte with cpu_to_be
>   DRBG: kzfree does not need a check for NULL pointer
>   DRBG: remove superflowous checks
>   DRBG: remove superflowous memset(0)
>   DRBG: use kmalloc instead of kzalloc for V and C
>   DRBG: remove unnecessary sanity checks
>   DRBG: remove configuration of fixed values
>   DRBG: remove unnecessary sanity check for shadow state

All applied.  Thanks!
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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