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authorHerbert Xu <herbert@gondor.apana.org.au>2009-07-22 11:10:22 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2009-07-22 11:10:22 +0800
commit6fba00d176ab73b15bb8e31f261582943429a92b (patch)
tree4a29cb4a018ae708b80f8e7a9af19e60770f864c /crypto
parent2a549c364aa11e658ae14b71861d25474e5808cf (diff)
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.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index fbd26f9dd32..2eb705822f2 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;