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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2008-08-31 22:21:09 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2008-12-25 11:01:33 +1100 |
| commit | 5f7082ed4f482f05db01d84dbf58190492ebf0ad (patch) | |
| tree | 34ac4dd0811731457dca0f4bcc440fafc93e517b /crypto/ahash.c | |
| parent | 67cd080c5070b4f17520c1385f7684206f4987b3 (diff) | |
| download | lwn-5f7082ed4f482f05db01d84dbf58190492ebf0ad.tar.gz lwn-5f7082ed4f482f05db01d84dbf58190492ebf0ad.zip | |
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.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c index 7d4e33dfe212..9f98956b17fc 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) { |