diff options
Diffstat (limited to 'include/crypto/hash.h')
| -rw-r--r-- | include/crypto/hash.h | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/include/crypto/hash.h b/include/crypto/hash.h index 76e432cab75d..bc7796600338 100644 --- a/include/crypto/hash.h +++ b/include/crypto/hash.h @@ -151,9 +151,13 @@ struct shash_desc { void *__ctx[] CRYPTO_MINALIGN_ATTR; }; +#define HASH_MAX_DIGESTSIZE 64 +#define HASH_MAX_DESCSIZE 360 +#define HASH_MAX_STATESIZE 512 + #define SHASH_DESC_ON_STACK(shash, ctx) \ char __##shash##_desc[sizeof(struct shash_desc) + \ - crypto_shash_descsize(ctx)] CRYPTO_MINALIGN_ATTR; \ + HASH_MAX_DESCSIZE] CRYPTO_MINALIGN_ATTR; \ struct shash_desc *shash = (struct shash_desc *)__##shash##_desc /** @@ -408,6 +412,32 @@ 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 void crypto_stat_ahash_update(struct ahash_request *req, int ret) +{ +#ifdef CONFIG_CRYPTO_STATS + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + + if (ret && ret != -EINPROGRESS && ret != -EBUSY) + atomic_inc(&tfm->base.__crt_alg->hash_err_cnt); + else + atomic64_add(req->nbytes, &tfm->base.__crt_alg->hash_tlen); +#endif +} + +static inline void crypto_stat_ahash_final(struct ahash_request *req, int ret) +{ +#ifdef CONFIG_CRYPTO_STATS + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + + if (ret && ret != -EINPROGRESS && ret != -EBUSY) { + atomic_inc(&tfm->base.__crt_alg->hash_err_cnt); + } else { + atomic_inc(&tfm->base.__crt_alg->hash_cnt); + atomic64_add(req->nbytes, &tfm->base.__crt_alg->hash_tlen); + } +#endif +} + /** * crypto_ahash_finup() - update and finalize message digest * @req: reference to the ahash_request handle that holds all information @@ -522,7 +552,11 @@ static inline int crypto_ahash_init(struct ahash_request *req) */ static inline int crypto_ahash_update(struct ahash_request *req) { - return crypto_ahash_reqtfm(req)->update(req); + int ret; + + ret = crypto_ahash_reqtfm(req)->update(req); + crypto_stat_ahash_update(req, ret); + return ret; } /** |