From: Nicolas Pitre <nico@cam.org>
Date: Sat, 12 Nov 2005 23:47:20 +0000 (+1100)
Subject: [CRYPTO] sha1: Avoid useless memcpy()
X-Git-Tag: v2.6.16-rc1~658^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cfa8d17cc836905ad174fd924701b352585d62f1;p=pandora-kernel.git

[CRYPTO] sha1: Avoid useless memcpy()

The current code unconditionally copy the first block for every call to
sha1_update().  This can be avoided if there is no pending partial block.
This is always the case on the first call to sha1_update() (if the length
is >= 64 of course.

Furthermore, temp does need to be called if sha_transform is never invoked.
Also consolidate the sha_transform calls into one to reduce code size.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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