diff options
Diffstat (limited to 'crypto/ahash.c')
| -rw-r--r-- | crypto/ahash.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/crypto/ahash.c b/crypto/ahash.c index 27128f2c687..ba5292d69eb 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) { @@ -146,6 +162,26 @@ static int ahash_setkey(struct crypto_ahash *tfm, const u8 *key, return ahash->setkey(tfm, key, keylen); } +static int ahash_nosetkey(struct crypto_ahash *tfm, const u8 *key, + unsigned int keylen) +{ + return -ENOSYS; +} + +int crypto_ahash_import(struct ahash_request *req, const u8 *in) +{ + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct ahash_alg *alg = crypto_ahash_alg(tfm); + + memcpy(ahash_request_ctx(req), in, crypto_ahash_reqsize(tfm)); + + if (alg->reinit) + alg->reinit(req); + + return 0; +} +EXPORT_SYMBOL_GPL(crypto_ahash_import); + static unsigned int crypto_ahash_ctxsize(struct crypto_alg *alg, u32 type, u32 mask) { @@ -164,7 +200,7 @@ static int crypto_init_ahash_ops(struct crypto_tfm *tfm, u32 type, u32 mask) crt->update = alg->update; crt->final = alg->final; crt->digest = alg->digest; - crt->setkey = ahash_setkey; + crt->setkey = alg->setkey ? ahash_setkey : ahash_nosetkey; crt->digestsize = alg->digestsize; return 0; |