4 * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the Free
8 * Software Foundation; either version 2 of the License, or (at your option)
13 #ifndef _CRYPTO_INTERNAL_HASH_H
14 #define _CRYPTO_INTERNAL_HASH_H
16 #include <crypto/algapi.h>
17 #include <crypto/hash.h>
22 struct crypto_hash_walk
{
26 unsigned int alignmask
;
29 unsigned int entrylen
;
32 struct scatterlist
*sg
;
37 extern const struct crypto_type crypto_ahash_type
;
39 int crypto_hash_walk_done(struct crypto_hash_walk
*walk
, int err
);
40 int crypto_hash_walk_first(struct ahash_request
*req
,
41 struct crypto_hash_walk
*walk
);
42 int crypto_hash_walk_first_compat(struct hash_desc
*hdesc
,
43 struct crypto_hash_walk
*walk
,
44 struct scatterlist
*sg
, unsigned int len
);
46 int crypto_register_shash(struct shash_alg
*alg
);
47 int crypto_unregister_shash(struct shash_alg
*alg
);
49 static inline void *crypto_ahash_ctx(struct crypto_ahash
*tfm
)
51 return crypto_tfm_ctx(&tfm
->base
);
54 static inline struct ahash_alg
*crypto_ahash_alg(
55 struct crypto_ahash
*tfm
)
57 return &crypto_ahash_tfm(tfm
)->__crt_alg
->cra_ahash
;
60 static inline int ahash_enqueue_request(struct crypto_queue
*queue
,
61 struct ahash_request
*request
)
63 return crypto_enqueue_request(queue
, &request
->base
);
66 static inline struct ahash_request
*ahash_dequeue_request(
67 struct crypto_queue
*queue
)
69 return ahash_request_cast(crypto_dequeue_request(queue
));
72 static inline int ahash_tfm_in_queue(struct crypto_queue
*queue
,
73 struct crypto_ahash
*tfm
)
75 return crypto_tfm_in_queue(queue
, crypto_ahash_tfm(tfm
));
78 static inline void *crypto_shash_ctx(struct crypto_shash
*tfm
)
80 return crypto_tfm_ctx(&tfm
->base
);
83 #endif /* _CRYPTO_INTERNAL_HASH_H */