2009-07-15 07:36:33

by Herbert Xu

[permalink] [raw]
Subject: [PATCH 30/35] crypto: ahash - Remove old_ahash_alg

crypto: ahash - Remove old_ahash_alg

Now that all ahash implementations have been converted to the new
ahash type, we can remove old_ahash_alg and its associated support.

Signed-off-by: Herbert Xu <[email protected]>
---

crypto/ahash.c | 27 ---------------------------
crypto/shash.c | 2 --
include/crypto/hash.h | 3 +--
include/crypto/internal/hash.h | 6 ------
include/linux/crypto.h | 16 ----------------
5 files changed, 1 insertion(+), 53 deletions(-)

diff --git a/crypto/ahash.c b/crypto/ahash.c
index 7f599d2..cc824ef 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -175,46 +175,19 @@ static int ahash_nosetkey(struct crypto_ahash *tfm, const u8 *key,
return -ENOSYS;
}

-static int crypto_init_ahash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
-{
- struct old_ahash_alg *alg = &tfm->__crt_alg->cra_ahash;
- struct crypto_ahash *crt = __crypto_ahash_cast(tfm);
- struct ahash_alg *nalg = crypto_ahash_alg(crt);
-
- if (alg->digestsize > PAGE_SIZE / 8)
- return -EINVAL;
-
- crt->init = alg->init;
- crt->update = alg->update;
- crt->final = alg->final;
- crt->digest = alg->digest;
- crt->setkey = alg->setkey ? ahash_setkey : ahash_nosetkey;
- crt->digestsize = alg->digestsize;
-
- nalg->setkey = alg->setkey;
- nalg->halg.digestsize = alg->digestsize;
-
- return 0;
-}
-
static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
{
struct crypto_ahash *hash = __crypto_ahash_cast(tfm);
struct ahash_alg *alg = crypto_ahash_alg(hash);
- struct old_ahash_alg *oalg = crypto_old_ahash_alg(hash);

if (tfm->__crt_alg->cra_type != &crypto_ahash_type)
return crypto_init_shash_ops_async(tfm);

- if (oalg->init)
- return crypto_init_ahash_ops(tfm, 0, 0);
-
hash->init = alg->init;
hash->update = alg->update;
hash->final = alg->final;
hash->digest = alg->digest;
hash->setkey = alg->setkey ? ahash_setkey : ahash_nosetkey;
- hash->digestsize = alg->halg.digestsize;

return 0;
}
diff --git a/crypto/shash.c b/crypto/shash.c
index 615a5f4..fd92c03 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -270,7 +270,6 @@ static void crypto_exit_shash_ops_async(struct crypto_tfm *tfm)
int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
{
struct crypto_alg *calg = tfm->__crt_alg;
- struct shash_alg *alg = __crypto_shash_alg(calg);
struct crypto_ahash *crt = __crypto_ahash_cast(tfm);
struct crypto_shash **ctx = crypto_tfm_ctx(tfm);
struct crypto_shash *shash;
@@ -293,7 +292,6 @@ int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
crt->digest = shash_async_digest;
crt->setkey = shash_async_setkey;

- crt->digestsize = alg->digestsize;
crt->reqsize = sizeof(struct shash_desc) + crypto_shash_descsize(shash);

return 0;
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index 262861d..45c2bdd 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -89,7 +89,6 @@ struct crypto_ahash {
int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
unsigned int keylen);

- unsigned int digestsize;
unsigned int reqsize;
struct crypto_tfm base;
};
@@ -137,7 +136,7 @@ static inline struct hash_alg_common *crypto_hash_alg_common(

static inline unsigned int crypto_ahash_digestsize(struct crypto_ahash *tfm)
{
- return tfm->digestsize;
+ return crypto_hash_alg_common(tfm)->digestsize;
}

static inline unsigned int crypto_ahash_statesize(struct crypto_ahash *tfm)
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index e3a8251..179dd8f 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -109,12 +109,6 @@ static inline struct ahash_alg *__crypto_ahash_alg(struct crypto_alg *alg)
halg);
}

-static inline struct old_ahash_alg *crypto_old_ahash_alg(
- struct crypto_ahash *tfm)
-{
- return &crypto_ahash_tfm(tfm)->__crt_alg->cra_ahash;
-}
-
static inline void crypto_ahash_set_reqsize(struct crypto_ahash *tfm,
unsigned int reqsize)
{
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 9e7e9b6..fd92988 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -115,12 +115,10 @@ struct crypto_async_request;
struct crypto_aead;
struct crypto_blkcipher;
struct crypto_hash;
-struct crypto_ahash;
struct crypto_rng;
struct crypto_tfm;
struct crypto_type;
struct aead_givcrypt_request;
-struct ahash_request;
struct skcipher_givcrypt_request;

typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err);
@@ -211,18 +209,6 @@ struct ablkcipher_alg {
unsigned int ivsize;
};

-struct old_ahash_alg {
- int (*init)(struct ahash_request *req);
- int (*reinit)(struct ahash_request *req);
- int (*update)(struct ahash_request *req);
- int (*final)(struct ahash_request *req);
- int (*digest)(struct ahash_request *req);
- int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
- unsigned int keylen);
-
- unsigned int digestsize;
-};