From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Fri, 24 Jul 2009 07:18:41 +0000 (+0800)
Subject: crypto: hmac - Prehash ipad/opad
X-Git-Tag: v2.6.32-rc1~731^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b767b4df360bd442434d9d40b8a495e64202254;p=pandora-kernel.git

crypto: hmac - Prehash ipad/opad

This patch uses crypto_shash_export/crypto_shash_import to prehash
ipad/opad to speed up hmac.  This is partly based on a similar patch
by Steffen Klassert.

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