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-rw-r--r--include/crypto/algapi.h36
-rw-r--r--include/crypto/hash.h154
-rw-r--r--include/crypto/internal/hash.h37
3 files changed, 191 insertions, 36 deletions
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index fef272a8ceeb..60d06e784be3 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -98,7 +98,6 @@ extern const struct crypto_type crypto_ablkcipher_type;
98extern const struct crypto_type crypto_aead_type; 98extern const struct crypto_type crypto_aead_type;
99extern const struct crypto_type crypto_blkcipher_type; 99extern const struct crypto_type crypto_blkcipher_type;
100extern const struct crypto_type crypto_hash_type; 100extern const struct crypto_type crypto_hash_type;
101extern const struct crypto_type crypto_ahash_type;
102 101
103void crypto_mod_put(struct crypto_alg *alg); 102void crypto_mod_put(struct crypto_alg *alg);
104 103
@@ -315,40 +314,5 @@ static inline int crypto_requires_sync(u32 type, u32 mask)
315 return (type ^ CRYPTO_ALG_ASYNC) & mask & CRYPTO_ALG_ASYNC; 314 return (type ^ CRYPTO_ALG_ASYNC) & mask & CRYPTO_ALG_ASYNC;
316} 315}
317 316
318static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm)
319{
320 return crypto_tfm_ctx(&tfm->base);
321}
322
323static inline struct ahash_alg *crypto_ahash_alg(
324 struct crypto_ahash *tfm)
325{
326 return &crypto_ahash_tfm(tfm)->__crt_alg->cra_ahash;
327}
328
329static inline int ahash_enqueue_request(struct crypto_queue *queue,
330 struct ahash_request *request)
331{
332 return crypto_enqueue_request(queue, &request->base);
333}
334
335static inline struct ahash_request *ahash_dequeue_request(
336 struct crypto_queue *queue)
337{
338 return ahash_request_cast(crypto_dequeue_request(queue));
339}
340
341static inline void *ahash_request_ctx(struct ahash_request *req)
342{
343 return req->__ctx;
344}
345
346static inline int ahash_tfm_in_queue(struct crypto_queue *queue,
347 struct crypto_ahash *tfm)
348{
349 return crypto_tfm_in_queue(queue, crypto_ahash_tfm(tfm));
350}
351
352
353#endif /* _CRYPTO_ALGAPI_H */ 317#endif /* _CRYPTO_ALGAPI_H */
354 318
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
new file mode 100644
index 000000000000..d12498ec8a4e
--- /dev/null
+++ b/include/crypto/hash.h
@@ -0,0 +1,154 @@
1/*
2 * Hash: Hash algorithms under the crypto API
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_HASH_H
14#define _CRYPTO_HASH_H
15
16#include <linux/crypto.h>
17
18struct crypto_ahash {
19 struct crypto_tfm base;
20};
21
22static inline struct crypto_ahash *__crypto_ahash_cast(struct crypto_tfm *tfm)
23{
24 return (struct crypto_ahash *)tfm;
25}
26
27static inline struct crypto_ahash *crypto_alloc_ahash(const char *alg_name,
28 u32 type, u32 mask)
29{
30 type &= ~CRYPTO_ALG_TYPE_MASK;
31 mask &= ~CRYPTO_ALG_TYPE_MASK;
32 type |= CRYPTO_ALG_TYPE_AHASH;
33 mask |= CRYPTO_ALG_TYPE_AHASH_MASK;
34
35 return __crypto_ahash_cast(crypto_alloc_base(alg_name, type, mask));
36}
37
38static inline struct crypto_tfm *crypto_ahash_tfm(struct crypto_ahash *tfm)
39{
40 return &tfm->base;
41}
42
43static inline void crypto_free_ahash(struct crypto_ahash *tfm)
44{
45 crypto_free_tfm(crypto_ahash_tfm(tfm));
46}
47
48static inline unsigned int crypto_ahash_alignmask(
49 struct crypto_ahash *tfm)
50{
51 return crypto_tfm_alg_alignmask(crypto_ahash_tfm(tfm));
52}
53
54static inline struct ahash_tfm *crypto_ahash_crt(struct crypto_ahash *tfm)
55{
56 return &crypto_ahash_tfm(tfm)->crt_ahash;
57}
58
59static inline unsigned int crypto_ahash_digestsize(struct crypto_ahash *tfm)
60{
61 return crypto_ahash_crt(tfm)->digestsize;
62}
63
64static inline u32 crypto_ahash_get_flags(struct crypto_ahash *tfm)
65{
66 return crypto_tfm_get_flags(crypto_ahash_tfm(tfm));
67}
68
69static inline void crypto_ahash_set_flags(struct crypto_ahash *tfm, u32 flags)
70{
71 crypto_tfm_set_flags(crypto_ahash_tfm(tfm), flags);
72}
73
74static inline void crypto_ahash_clear_flags(struct crypto_ahash *tfm, u32 flags)
75{
76 crypto_tfm_clear_flags(crypto_ahash_tfm(tfm), flags);
77}
78
79static inline struct crypto_ahash *crypto_ahash_reqtfm(
80 struct ahash_request *req)
81{
82 return __crypto_ahash_cast(req->base.tfm);
83}
84
85static inline unsigned int crypto_ahash_reqsize(struct crypto_ahash *tfm)
86{
87 return crypto_ahash_crt(tfm)->reqsize;
88}
89
90static inline int crypto_ahash_setkey(struct crypto_ahash *tfm,
91 const u8 *key, unsigned int keylen)
92{
93 struct ahash_tfm *crt = crypto_ahash_crt(tfm);
94
95 return crt->setkey(tfm, key, keylen);
96}
97
98static inline int crypto_ahash_digest(struct ahash_request *req)
99{
100 struct ahash_tfm *crt = crypto_ahash_crt(crypto_ahash_reqtfm(req));
101 return crt->digest(req);
102}
103
104static inline void ahash_request_set_tfm(struct ahash_request *req,
105 struct crypto_ahash *tfm)
106{
107 req->base.tfm = crypto_ahash_tfm(tfm);
108}
109
110static inline struct ahash_request *ahash_request_alloc(
111 struct crypto_ahash *tfm, gfp_t gfp)
112{
113 struct ahash_request *req;
114
115 req = kmalloc(sizeof(struct ahash_request) +
116 crypto_ahash_reqsize(tfm), gfp);
117
118 if (likely(req))
119 ahash_request_set_tfm(req, tfm);
120
121 return req;
122}
123
124static inline void ahash_request_free(struct ahash_request *req)
125{
126 kfree(req);
127}
128
129static inline struct ahash_request *ahash_request_cast(
130 struct crypto_async_request *req)
131{
132 return container_of(req, struct ahash_request, base);
133}
134
135static inline void ahash_request_set_callback(struct ahash_request *req,
136 u32 flags,
137 crypto_completion_t complete,
138 void *data)
139{
140 req->base.complete = complete;
141 req->base.data = data;
142 req->base.flags = flags;
143}
144
145static inline void ahash_request_set_crypt(struct ahash_request *req,
146 struct scatterlist *src, u8 *result,
147 unsigned int nbytes)
148{
149 req->src = src;
150 req->nbytes = nbytes;
151 req->result = result;
152}
153
154#endif /* _CRYPTO_HASH_H */
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index 93ac42280221..917ae57bad4a 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -14,6 +14,7 @@
14#define _CRYPTO_INTERNAL_HASH_H 14#define _CRYPTO_INTERNAL_HASH_H
15 15
16#include <crypto/algapi.h> 16#include <crypto/algapi.h>
17#include <crypto/hash.h>
17 18
18struct ahash_request; 19struct ahash_request;
19struct scatterlist; 20struct scatterlist;
@@ -33,9 +34,45 @@ struct crypto_hash_walk {
33 unsigned int flags; 34 unsigned int flags;
34}; 35};
35 36
37extern const struct crypto_type crypto_ahash_type;
38
36int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err); 39int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err);
37int crypto_hash_walk_first(struct ahash_request *req, 40int crypto_hash_walk_first(struct ahash_request *req,
38 struct crypto_hash_walk *walk); 41 struct crypto_hash_walk *walk);
39 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
40#endif /* _CRYPTO_INTERNAL_HASH_H */ 77#endif /* _CRYPTO_INTERNAL_HASH_H */
41 78