Commit c7535fb2 authored Apr 20, 2023 by Herbert Xu

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>

parent a4ca033d

crypto/ahash.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -432,6 +432,8 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)

		hash->setkey = ahash_nosetkey;

		crypto_ahash_set_statesize(hash, alg->halg.statesize);

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

		@@ -573,6 +575,7 @@ struct crypto_ahash crypto_clone_ahash(struct crypto_ahash hash)
		nhash->import = hash->import;
		nhash->setkey = hash->setkey;
		nhash->reqsize = hash->reqsize;
		nhash->statesize = hash->statesize;

		if (tfm->__crt_alg->cra_type != &crypto_ahash_type)
		return crypto_clone_shash_ops_async(nhash, hash);

include/crypto/hash.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -260,6 +260,7 @@ struct crypto_ahash {
		int (setkey)(struct crypto_ahash tfm, const u8 *key,
		unsigned int keylen);

		unsigned int statesize;
		unsigned int reqsize;
		struct crypto_tfm base;
		};
		@@ -400,7 +401,7 @@ static inline unsigned int crypto_ahash_digestsize(struct crypto_ahash *tfm)
		*/
		static inline unsigned int crypto_ahash_statesize(struct crypto_ahash *tfm)
		{
		return crypto_hash_alg_common(tfm)->statesize;
		return tfm->statesize;
		}

		static inline u32 crypto_ahash_get_flags(struct crypto_ahash *tfm)

include/crypto/internal/hash.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -149,6 +149,12 @@ static inline struct ahash_alg __crypto_ahash_alg(struct crypto_alg alg)
		halg);
		}

		static inline void crypto_ahash_set_statesize(struct crypto_ahash *tfm,
		unsigned int size)
		{
		tfm->statesize = size;
		}

		static inline void crypto_ahash_set_reqsize(struct crypto_ahash *tfm,
		unsigned int reqsize)
		{