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authorHerbert Xu <herbert@gondor.apana.org.au>2008-08-31 12:21:09 (GMT)
committerHerbert Xu <herbert@gondor.apana.org.au>2008-12-25 00:01:33 (GMT)
commit5f7082ed4f482f05db01d84dbf58190492ebf0ad (patch)
tree34ac4dd0811731457dca0f4bcc440fafc93e517b /crypto/ahash.c
parent67cd080c5070b4f17520c1385f7684206f4987b3 (diff)
crypto: hash - Export shash through hash
This patch allows shash algorithms to be used through the old hash interface. This is a transitional measure so we can convert the underlying algorithms to shash before converting the users across. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/ahash.c')
-rw-r--r--crypto/ahash.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c
index 7d4e33d..9f98956 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -112,6 +112,22 @@ int crypto_hash_walk_first(struct ahash_request *req,
}
EXPORT_SYMBOL_GPL(crypto_hash_walk_first);
+int crypto_hash_walk_first_compat(struct hash_desc *hdesc,
+ struct crypto_hash_walk *walk,
+ struct scatterlist *sg, unsigned int len)
+{
+ walk->total = len;
+
+ if (!walk->total)
+ return 0;
+
+ walk->alignmask = crypto_hash_alignmask(hdesc->tfm);
+ walk->sg = sg;
+ walk->flags = hdesc->flags;
+
+ return hash_walk_new_entry(walk);
+}
+
static int ahash_setkey_unaligned(struct crypto_ahash *tfm, const u8 *key,
unsigned int keylen)
{

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