diff options
Diffstat (limited to 'kernel/include/crypto/hash.h')
| -rw-r--r-- | kernel/include/crypto/hash.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/kernel/include/crypto/hash.h b/kernel/include/crypto/hash.h index 98abda9ed..6361892ea 100644 --- a/kernel/include/crypto/hash.h +++ b/kernel/include/crypto/hash.h @@ -63,10 +63,15 @@ struct ahash_request { void *__ctx[] CRYPTO_MINALIGN_ATTR; }; +#define AHASH_REQUEST_ON_STACK(name, ahash) \ + char __##name##_desc[sizeof(struct ahash_request) + \ + crypto_ahash_reqsize(ahash)] CRYPTO_MINALIGN_ATTR; \ + struct ahash_request *name = (void *)__##name##_desc + /** * struct ahash_alg - asynchronous message digest definition * @init: Initialize the transformation context. Intended only to initialize the - * state of the HASH transformation at the begining. This shall fill in + * state of the HASH transformation at the beginning. This shall fill in * the internal structures used during the entire duration of the whole * transformation. No data processing happens at this point. * @update: Push a chunk of data into the driver for transformation. This @@ -199,6 +204,7 @@ struct crypto_ahash { unsigned int keylen); unsigned int reqsize; + bool has_setkey; struct crypto_tfm base; }; @@ -259,6 +265,20 @@ static inline unsigned int crypto_ahash_alignmask( return crypto_tfm_alg_alignmask(crypto_ahash_tfm(tfm)); } +/** + * crypto_ahash_blocksize() - obtain block size for cipher + * @tfm: cipher handle + * + * The block size for the message digest cipher referenced with the cipher + * handle is returned. + * + * Return: block size of cipher + */ +static inline unsigned int crypto_ahash_blocksize(struct crypto_ahash *tfm) +{ + return crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm)); +} + static inline struct hash_alg_common *__crypto_hash_alg_common( struct crypto_alg *alg) { @@ -356,6 +376,11 @@ static inline void *ahash_request_ctx(struct ahash_request *req) int crypto_ahash_setkey(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen); +static inline bool crypto_ahash_has_setkey(struct crypto_ahash *tfm) +{ + return tfm->has_setkey; +} + /** * crypto_ahash_finup() - update and finalize message digest * @req: reference to the ahash_request handle that holds all information |