+++ /dev/null
-/*
- * Hash: Hash algorithms under the crypto API
- *
- * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- */
-
-#ifndef _CRYPTO_HASH_H
-#define _CRYPTO_HASH_H
-
-#include <linux/crypto.h>
-
-struct shash_desc;
-
-struct shash_alg {
- int (*init)(struct shash_desc *desc);
- int (*update)(struct shash_desc *desc, const u8 *data, unsigned len);
- int (*final)(struct shash_desc *desc, u8 *out);
- int (*finup)(struct shash_desc *desc, const u8 *data,
- unsigned len, u8 *out);
- int (*digest)(struct shash_desc *desc, const u8 *data,
- unsigned len, u8 *out);
-
- unsigned descsize;
- unsigned digestsize;
- struct crypto_alg base;
-};
-
-int crypto_register_shash(struct shash_alg *alg);
-
-struct crypto_shash {
- unsigned descsize;
- struct crypto_tfm base;
-};
-
-struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type,
- u32 mask);
-
-static inline void crypto_free_shash(struct crypto_shash *tfm)
-{
- kfree(tfm);
-}
-
-static inline struct shash_alg *crypto_shash_alg(struct crypto_shash *tfm)
-{
- return container_of(tfm->base.alg, struct shash_alg, base);
-}
-
-static inline unsigned crypto_shash_digestsize(struct crypto_shash *tfm)
-{
- return crypto_shash_alg(tfm)->digestsize;
-}
-
-static inline unsigned crypto_shash_descsize(struct crypto_shash *tfm)
-{
- return tfm->descsize;
-}
-
-struct shash_desc {
- struct crypto_shash *tfm;
- u32 flags;
-
- void *ctx[] CRYPTO_MINALIGN_ATTR;
-};
-
-#define SHASH_DESC_ON_STACK(shash, tfm) \
- char __##shash##_desc[sizeof(struct shash_desc) + \
- crypto_shash_descsize(tfm)] CRYPTO_MINALIGN_ATTR; \
- struct shash_desc *shash = (struct shash_desc *)__##shash##_desc
-
-static inline int crypto_shash_init(struct shash_desc *desc)
-{
- return crypto_shash_alg(desc->tfm)->init(desc);
-}
-
-static inline int crypto_shash_update(struct shash_desc *desc,
- const u8 *data, unsigned len)
-{
- return crypto_shash_alg(desc->tfm)->update(desc, data, len);
-}
-
-static inline int crypto_shash_final(struct shash_desc *desc, u8 *out)
-{
- return crypto_shash_alg(desc->tfm)->final(desc, out);
-}
-
-static inline int crypto_shash_finup(struct shash_desc *desc, const u8 *data,
- unsigned len, u8 *out)
-{
- return crypto_shash_alg(desc->tfm)->finup(desc, data, len, out);
-}
-
-static inline int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
- unsigned len, u8 *out)
-{
- return crypto_shash_alg(desc->tfm)->digest(desc, data, len, out);
-}
-
-#endif /* _CRYPTO_HASH_H */