120036252SHerbert Xu /* 220036252SHerbert Xu * Hash algorithms. 320036252SHerbert Xu * 420036252SHerbert Xu * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au> 520036252SHerbert Xu * 620036252SHerbert Xu * This program is free software; you can redistribute it and/or modify it 720036252SHerbert Xu * under the terms of the GNU General Public License as published by the Free 820036252SHerbert Xu * Software Foundation; either version 2 of the License, or (at your option) 920036252SHerbert Xu * any later version. 1020036252SHerbert Xu * 1120036252SHerbert Xu */ 1220036252SHerbert Xu 1320036252SHerbert Xu #ifndef _CRYPTO_INTERNAL_HASH_H 1420036252SHerbert Xu #define _CRYPTO_INTERNAL_HASH_H 1520036252SHerbert Xu 1620036252SHerbert Xu #include <crypto/algapi.h> 1718e33e6dSHerbert Xu #include <crypto/hash.h> 1820036252SHerbert Xu 1920036252SHerbert Xu struct ahash_request; 2020036252SHerbert Xu struct scatterlist; 2120036252SHerbert Xu 2220036252SHerbert Xu struct crypto_hash_walk { 2320036252SHerbert Xu char *data; 2420036252SHerbert Xu 2520036252SHerbert Xu unsigned int offset; 2620036252SHerbert Xu unsigned int alignmask; 2720036252SHerbert Xu 2820036252SHerbert Xu struct page *pg; 2920036252SHerbert Xu unsigned int entrylen; 3020036252SHerbert Xu 3120036252SHerbert Xu unsigned int total; 3220036252SHerbert Xu struct scatterlist *sg; 3320036252SHerbert Xu 3420036252SHerbert Xu unsigned int flags; 3520036252SHerbert Xu }; 3620036252SHerbert Xu 3718e33e6dSHerbert Xu extern const struct crypto_type crypto_ahash_type; 3818e33e6dSHerbert Xu 3920036252SHerbert Xu int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err); 4020036252SHerbert Xu int crypto_hash_walk_first(struct ahash_request *req, 4120036252SHerbert Xu struct crypto_hash_walk *walk); 4220036252SHerbert Xu 43*7b5a080bSHerbert Xu int crypto_register_shash(struct shash_alg *alg); 44*7b5a080bSHerbert Xu int crypto_unregister_shash(struct shash_alg *alg); 45*7b5a080bSHerbert Xu 4618e33e6dSHerbert Xu static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm) 4718e33e6dSHerbert Xu { 4818e33e6dSHerbert Xu return crypto_tfm_ctx(&tfm->base); 4918e33e6dSHerbert Xu } 5018e33e6dSHerbert Xu 5118e33e6dSHerbert Xu static inline struct ahash_alg *crypto_ahash_alg( 5218e33e6dSHerbert Xu struct crypto_ahash *tfm) 5318e33e6dSHerbert Xu { 5418e33e6dSHerbert Xu return &crypto_ahash_tfm(tfm)->__crt_alg->cra_ahash; 5518e33e6dSHerbert Xu } 5618e33e6dSHerbert Xu 5718e33e6dSHerbert Xu static inline int ahash_enqueue_request(struct crypto_queue *queue, 5818e33e6dSHerbert Xu struct ahash_request *request) 5918e33e6dSHerbert Xu { 6018e33e6dSHerbert Xu return crypto_enqueue_request(queue, &request->base); 6118e33e6dSHerbert Xu } 6218e33e6dSHerbert Xu 6318e33e6dSHerbert Xu static inline struct ahash_request *ahash_dequeue_request( 6418e33e6dSHerbert Xu struct crypto_queue *queue) 6518e33e6dSHerbert Xu { 6618e33e6dSHerbert Xu return ahash_request_cast(crypto_dequeue_request(queue)); 6718e33e6dSHerbert Xu } 6818e33e6dSHerbert Xu 6918e33e6dSHerbert Xu static inline void *ahash_request_ctx(struct ahash_request *req) 7018e33e6dSHerbert Xu { 7118e33e6dSHerbert Xu return req->__ctx; 7218e33e6dSHerbert Xu } 7318e33e6dSHerbert Xu 7418e33e6dSHerbert Xu static inline int ahash_tfm_in_queue(struct crypto_queue *queue, 7518e33e6dSHerbert Xu struct crypto_ahash *tfm) 7618e33e6dSHerbert Xu { 7718e33e6dSHerbert Xu return crypto_tfm_in_queue(queue, crypto_ahash_tfm(tfm)); 7818e33e6dSHerbert Xu } 7918e33e6dSHerbert Xu 80*7b5a080bSHerbert Xu static inline void *crypto_shash_ctx(struct crypto_shash *tfm) 81*7b5a080bSHerbert Xu { 82*7b5a080bSHerbert Xu return crypto_tfm_ctx(&tfm->base); 83*7b5a080bSHerbert Xu } 84*7b5a080bSHerbert Xu 8520036252SHerbert Xu #endif /* _CRYPTO_INTERNAL_HASH_H */ 8620036252SHerbert Xu 87