From: Huang Ying <ying.huang@intel.com>
Date: Thu, 6 Aug 2009 05:34:26 +0000 (+1000)
Subject: crypto: gcm - Use GHASH digest algorithm
X-Git-Tag: v2.6.32-rc1~731^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9382d97af586a47dad312765e35c61aa7ad7fcdd;p=pandora-kernel.git

crypto: gcm - Use GHASH digest algorithm

Remove the dedicated GHASH implementation in GCM, and uses the GHASH
digest algorithm instead. This will make GCM uses hardware accelerated
GHASH implementation automatically if available.

ahash instead of shash interface is used, because some hardware
accelerated GHASH implementation needs asynchronous interface.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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