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author | Len Brown <len.brown@intel.com> | 2009-01-09 08:39:43 (GMT) |
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committer | Len Brown <len.brown@intel.com> | 2009-01-09 08:39:43 (GMT) |
commit | b2576e1d4408e134e2188c967b1f28af39cd79d4 (patch) | |
tree | 004f3c82faab760f304ce031d6d2f572e7746a50 /include/crypto/hash.h | |
parent | 3cc8a5f4ba91f67bbdb81a43a99281a26aab8d77 (diff) | |
parent | 2150edc6c5cf00f7adb54538b9ea2a3e9cedca3f (diff) | |
download | linux-fsl-qoriq-b2576e1d4408e134e2188c967b1f28af39cd79d4.tar.xz |
Merge branch 'linus' into release
Diffstat (limited to 'include/crypto/hash.h')
-rw-r--r-- | include/crypto/hash.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/include/crypto/hash.h b/include/crypto/hash.h index ee48ef8..cd16d6e 100644 --- a/include/crypto/hash.h +++ b/include/crypto/hash.h @@ -15,10 +15,40 @@ #include <linux/crypto.h> +struct shash_desc { + struct crypto_shash *tfm; + u32 flags; + + void *__ctx[] CRYPTO_MINALIGN_ATTR; +}; + +struct shash_alg { + int (*init)(struct shash_desc *desc); + int (*reinit)(struct shash_desc *desc); + int (*update)(struct shash_desc *desc, const u8 *data, + unsigned int len); + int (*final)(struct shash_desc *desc, u8 *out); + int (*finup)(struct shash_desc *desc, const u8 *data, + unsigned int len, u8 *out); + int (*digest)(struct shash_desc *desc, const u8 *data, + unsigned int len, u8 *out); + int (*setkey)(struct crypto_shash *tfm, const u8 *key, + unsigned int keylen); + + unsigned int descsize; + unsigned int digestsize; + + struct crypto_alg base; +}; + struct crypto_ahash { struct crypto_tfm base; }; +struct crypto_shash { + struct crypto_tfm base; +}; + static inline struct crypto_ahash *__crypto_ahash_cast(struct crypto_tfm *tfm) { return (struct crypto_ahash *)tfm; @@ -87,6 +117,11 @@ static inline unsigned int crypto_ahash_reqsize(struct crypto_ahash *tfm) return crypto_ahash_crt(tfm)->reqsize; } +static inline void *ahash_request_ctx(struct ahash_request *req) +{ + return req->__ctx; +} + static inline int crypto_ahash_setkey(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen) { @@ -101,6 +136,14 @@ static inline int crypto_ahash_digest(struct ahash_request *req) return crt->digest(req); } +static inline void crypto_ahash_export(struct ahash_request *req, u8 *out) +{ + memcpy(out, ahash_request_ctx(req), + crypto_ahash_reqsize(crypto_ahash_reqtfm(req))); +} + +int crypto_ahash_import(struct ahash_request *req, const u8 *in); + static inline int crypto_ahash_init(struct ahash_request *req) { struct ahash_tfm *crt = crypto_ahash_crt(crypto_ahash_reqtfm(req)); @@ -169,4 +212,86 @@ static inline void ahash_request_set_crypt(struct ahash_request *req, req->result = result; } +struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type, + u32 mask); + +static inline struct crypto_tfm *crypto_shash_tfm(struct crypto_shash *tfm) +{ + return &tfm->base; +} + +static inline void crypto_free_shash(struct crypto_shash *tfm) +{ + crypto_free_tfm(crypto_shash_tfm(tfm)); +} + +static inline unsigned int crypto_shash_alignmask( + struct crypto_shash *tfm) +{ + return crypto_tfm_alg_alignmask(crypto_shash_tfm(tfm)); +} + +static inline struct shash_alg *__crypto_shash_alg(struct crypto_alg *alg) +{ + return container_of(alg, struct shash_alg, base); +} + +static inline struct shash_alg *crypto_shash_alg(struct crypto_shash *tfm) +{ + return __crypto_shash_alg(crypto_shash_tfm(tfm)->__crt_alg); +} + +static inline unsigned int crypto_shash_digestsize(struct crypto_shash *tfm) +{ + return crypto_shash_alg(tfm)->digestsize; +} + +static inline u32 crypto_shash_get_flags(struct crypto_shash *tfm) +{ + return crypto_tfm_get_flags(crypto_shash_tfm(tfm)); +} + +static inline void crypto_shash_set_flags(struct crypto_shash *tfm, u32 flags) +{ + crypto_tfm_set_flags(crypto_shash_tfm(tfm), flags); +} + +static inline void crypto_shash_clear_flags(struct crypto_shash *tfm, u32 flags) +{ + crypto_tfm_clear_flags(crypto_shash_tfm(tfm), flags); +} + +static inline unsigned int crypto_shash_descsize(struct crypto_shash *tfm) +{ + return crypto_shash_alg(tfm)->descsize; +} + +static inline void *shash_desc_ctx(struct shash_desc *desc) +{ + return desc->__ctx; +} + +int crypto_shash_setkey(struct crypto_shash *tfm, const u8 *key, + unsigned int keylen); +int crypto_shash_digest(struct shash_desc *desc, const u8 *data, + unsigned int len, u8 *out); + +static inline void crypto_shash_export(struct shash_desc *desc, u8 *out) +{ + memcpy(out, shash_desc_ctx(desc), crypto_shash_descsize(desc->tfm)); +} + +int crypto_shash_import(struct shash_desc *desc, const u8 *in); + +static inline int crypto_shash_init(struct shash_desc *desc) +{ + return crypto_shash_alg(desc->tfm)->init(desc); +} + +int crypto_shash_update(struct shash_desc *desc, const u8 *data, + unsigned int len); +int crypto_shash_final(struct shash_desc *desc, u8 *out); +int crypto_shash_finup(struct shash_desc *desc, const u8 *data, + unsigned int len, u8 *out); + #endif /* _CRYPTO_HASH_H */ |