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author | Herbert Xu <herbert@gondor.apana.org.au> | 2009-07-22 11:10:22 +0800 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2009-07-22 11:10:22 +0800 |
commit | 6fba00d176ab73b15bb8e31f261582943429a92b (patch) | |
tree | 4a29cb4a018ae708b80f8e7a9af19e60770f864c /crypto | |
parent | 2a549c364aa11e658ae14b71861d25474e5808cf (diff) | |
download | kernel_goldelico_gta04-6fba00d176ab73b15bb8e31f261582943429a92b.zip kernel_goldelico_gta04-6fba00d176ab73b15bb8e31f261582943429a92b.tar.gz kernel_goldelico_gta04-6fba00d176ab73b15bb8e31f261582943429a92b.tar.bz2 |
crypto: cryptd - Add finup/export/import for hash
This patch adds the finup/export/import functions to the cryptd
ahash implementation. We simply invoke the underlying shash
operations.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r-- | crypto/cryptd.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/crypto/cryptd.c b/crypto/cryptd.c index fbd26f9..2eb7058 100644 --- a/crypto/cryptd.c +++ b/crypto/cryptd.c @@ -478,6 +478,29 @@ static int cryptd_hash_final_enqueue(struct ahash_request *req) return cryptd_hash_enqueue(req, cryptd_hash_final); } +static void cryptd_hash_finup(struct crypto_async_request *req_async, int err) +{ + struct ahash_request *req = ahash_request_cast(req_async); + struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req); + + if (unlikely(err == -EINPROGRESS)) + goto out; + + err = shash_ahash_finup(req, &rctx->desc); + + req->base.complete = rctx->complete; + +out: + local_bh_disable(); + rctx->complete(&req->base, err); + local_bh_enable(); +} + +static int cryptd_hash_finup_enqueue(struct ahash_request *req) +{ + return cryptd_hash_enqueue(req, cryptd_hash_finup); +} + static void cryptd_hash_digest(struct crypto_async_request *req_async, int err) { struct cryptd_hash_ctx *ctx = crypto_tfm_ctx(req_async->tfm); @@ -507,6 +530,20 @@ static int cryptd_hash_digest_enqueue(struct ahash_request *req) return cryptd_hash_enqueue(req, cryptd_hash_digest); } +static int cryptd_hash_export(struct ahash_request *req, void *out) +{ + struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req); + + return crypto_shash_export(&rctx->desc, out); +} + +static int cryptd_hash_import(struct ahash_request *req, const void *in) +{ + struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req); + + return crypto_shash_import(&rctx->desc, in); +} + static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb, struct cryptd_queue *queue) { @@ -546,6 +583,9 @@ static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb, inst->alg.init = cryptd_hash_init_enqueue; inst->alg.update = cryptd_hash_update_enqueue; inst->alg.final = cryptd_hash_final_enqueue; + inst->alg.finup = cryptd_hash_finup_enqueue; + inst->alg.export = cryptd_hash_export; + inst->alg.import = cryptd_hash_import; inst->alg.setkey = cryptd_hash_setkey; inst->alg.digest = cryptd_hash_digest_enqueue; |