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-rw-r--r--include/crypto/internal/hash.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
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1/*
2 * Hash algorithms.
3 *
4 * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
5 *
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)
9 * any later version.
10 *
11 */
12
13#ifndef _CRYPTO_INTERNAL_HASH_H
14#define _CRYPTO_INTERNAL_HASH_H
15
16#include <crypto/algapi.h>
17#include <crypto/hash.h>
18
19struct ahash_request;
20struct scatterlist;
21
22struct crypto_hash_walk {
23 char *data;
24
25 unsigned int offset;
26 unsigned int alignmask;
27
28 struct page *pg;
29 unsigned int entrylen;
30
31 unsigned int total;
32 struct scatterlist *sg;
33
34 unsigned int flags;
35};
36
37extern const struct crypto_type crypto_ahash_type;
38
39int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err);
40int crypto_hash_walk_first(struct ahash_request *req,
41 struct crypto_hash_walk *walk);
42
43static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm)
44{
45 return crypto_tfm_ctx(&tfm->base);
46}
47
48static inline struct ahash_alg *crypto_ahash_alg(
49 struct crypto_ahash *tfm)
50{
51 return &crypto_ahash_tfm(tfm)->__crt_alg->cra_ahash;
52}
53
54static inline int ahash_enqueue_request(struct crypto_queue *queue,
55 struct ahash_request *request)
56{
57 return crypto_enqueue_request(queue, &request->base);
58}
59
60static inline struct ahash_request *ahash_dequeue_request(
61 struct crypto_queue *queue)
62{
63 return ahash_request_cast(crypto_dequeue_request(queue));
64}
65
66static inline void *ahash_request_ctx(struct ahash_request *req)
67{
68 return req->__ctx;
69}
70
71static inline int ahash_tfm_in_queue(struct crypto_queue *queue,
72 struct crypto_ahash *tfm)
73{
74 return crypto_tfm_in_queue(queue, crypto_ahash_tfm(tfm));
75}
76
77#endif /* _CRYPTO_INTERNAL_HASH_H */
78