Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
crypto: hash - Add statesize to crypto_ahash
As ahash drivers may need to use fallbacks, their state size
is thus variable. Deal with this by making it an attribute
of crypto_ahash.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
+11
-1
+3
crypto/ahash.c
+3
crypto/ahash.c
···
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hash->setkey = ahash_nosetkey;
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+
crypto_ahash_set_statesize(hash, alg->halg.statesize);
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+
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if (tfm->__crt_alg->cra_type != &crypto_ahash_type)
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return crypto_init_shash_ops_async(tfm);
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···
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nhash->import = hash->import;
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nhash->setkey = hash->setkey;
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nhash->reqsize = hash->reqsize;
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+
nhash->statesize = hash->statesize;
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if (tfm->__crt_alg->cra_type != &crypto_ahash_type)
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return crypto_clone_shash_ops_async(nhash, hash);
+2
-1
include/crypto/hash.h
+2
-1
include/crypto/hash.h
···
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int (*setkey)(struct crypto_ahash *tfm, const u8 *key,
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unsigned int keylen);
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+
unsigned int statesize;
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unsigned int reqsize;
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struct crypto_tfm base;
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};
···
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*/
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static inline unsigned int crypto_ahash_statesize(struct crypto_ahash *tfm)
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{
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-
return crypto_hash_alg_common(tfm)->statesize;
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+
return tfm->statesize;
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}
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static inline u32 crypto_ahash_get_flags(struct crypto_ahash *tfm)
+6
include/crypto/internal/hash.h
+6
include/crypto/internal/hash.h
···
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halg);
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}
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+
static inline void crypto_ahash_set_statesize(struct crypto_ahash *tfm,
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+
unsigned int size)
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+
{
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+
tfm->statesize = size;
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+
}
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+
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static inline void crypto_ahash_set_reqsize(struct crypto_ahash *tfm,
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unsigned int reqsize)
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{