From 20036252fc61c624a49770fb89684ea5cfdfa05e Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Mon, 7 Jul 2008 22:19:53 +0800
Subject: [PATCH] crypto: hash - Added scatter list walking helper

This patch adds the walking helpers for hash algorithms akin to
those of block ciphers.  This is a necessary step before we can
reimplement existing hash algorithms using the new ahash interface.

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