]>
Commit | Line | Data |
---|---|---|
20036252 HX |
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> | |
18e33e6d | 17 | #include <crypto/hash.h> |
20036252 HX |
18 | |
19 | struct ahash_request; | |
20 | struct scatterlist; | |
21 | ||
22 | struct 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 | ||
01c2dece HX |
37 | struct ahash_instance { |
38 | struct ahash_alg alg; | |
39 | }; | |
40 | ||
2e4fddd8 HX |
41 | struct shash_instance { |
42 | struct shash_alg alg; | |
43 | }; | |
44 | ||
01c2dece HX |
45 | struct crypto_ahash_spawn { |
46 | struct crypto_spawn base; | |
47 | }; | |
48 | ||
94296999 HX |
49 | struct crypto_shash_spawn { |
50 | struct crypto_spawn base; | |
51 | }; | |
52 | ||
18e33e6d HX |
53 | extern const struct crypto_type crypto_ahash_type; |
54 | ||
20036252 HX |
55 | int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err); |
56 | int crypto_hash_walk_first(struct ahash_request *req, | |
57 | struct crypto_hash_walk *walk); | |
75ecb231 HX |
58 | int crypto_ahash_walk_first(struct ahash_request *req, |
59 | struct crypto_hash_walk *walk); | |
20036252 | 60 | |
75ecb231 HX |
61 | static inline int crypto_ahash_walk_done(struct crypto_hash_walk *walk, |
62 | int err) | |
63 | { | |
64 | return crypto_hash_walk_done(walk, err); | |
65 | } | |
66 | ||
66f6ce5e HX |
67 | static inline int crypto_hash_walk_last(struct crypto_hash_walk *walk) |
68 | { | |
69 | return !(walk->entrylen | walk->total); | |
70 | } | |
71 | ||
75ecb231 HX |
72 | static inline int crypto_ahash_walk_last(struct crypto_hash_walk *walk) |
73 | { | |
74 | return crypto_hash_walk_last(walk); | |
75 | } | |
76 | ||
88056ec3 HX |
77 | int crypto_register_ahash(struct ahash_alg *alg); |
78 | int crypto_unregister_ahash(struct ahash_alg *alg); | |
6f7473c5 RV |
79 | int crypto_register_ahashes(struct ahash_alg *algs, int count); |
80 | void crypto_unregister_ahashes(struct ahash_alg *algs, int count); | |
01c2dece HX |
81 | int ahash_register_instance(struct crypto_template *tmpl, |
82 | struct ahash_instance *inst); | |
83 | void ahash_free_instance(struct crypto_instance *inst); | |
84 | ||
af3ff804 EB |
85 | int shash_no_setkey(struct crypto_shash *tfm, const u8 *key, |
86 | unsigned int keylen); | |
87 | ||
88 | static inline bool crypto_shash_alg_has_setkey(struct shash_alg *alg) | |
89 | { | |
90 | return alg->setkey != shash_no_setkey; | |
91 | } | |
92 | ||
01c2dece HX |
93 | int crypto_init_ahash_spawn(struct crypto_ahash_spawn *spawn, |
94 | struct hash_alg_common *alg, | |
95 | struct crypto_instance *inst); | |
96 | ||
52861c7c HX |
97 | static inline void crypto_drop_ahash(struct crypto_ahash_spawn *spawn) |
98 | { | |
99 | crypto_drop_spawn(&spawn->base); | |
100 | } | |
101 | ||
01c2dece | 102 | struct hash_alg_common *ahash_attr_alg(struct rtattr *rta, u32 type, u32 mask); |
88056ec3 | 103 | |
7b5a080b HX |
104 | int crypto_register_shash(struct shash_alg *alg); |
105 | int crypto_unregister_shash(struct shash_alg *alg); | |
50fc3e8d JK |
106 | int crypto_register_shashes(struct shash_alg *algs, int count); |
107 | int crypto_unregister_shashes(struct shash_alg *algs, int count); | |
619a6ebd HX |
108 | int shash_register_instance(struct crypto_template *tmpl, |
109 | struct shash_instance *inst); | |
2e4fddd8 HX |
110 | void shash_free_instance(struct crypto_instance *inst); |
111 | ||
94296999 HX |
112 | int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn, |
113 | struct shash_alg *alg, | |
114 | struct crypto_instance *inst); | |
115 | ||
52861c7c HX |
116 | static inline void crypto_drop_shash(struct crypto_shash_spawn *spawn) |
117 | { | |
118 | crypto_drop_spawn(&spawn->base); | |
119 | } | |
120 | ||
7d6f5640 HX |
121 | struct shash_alg *shash_attr_alg(struct rtattr *rta, u32 type, u32 mask); |
122 | ||
7eddf95e | 123 | int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc); |
66f6ce5e | 124 | int shash_ahash_finup(struct ahash_request *req, struct shash_desc *desc); |
7eddf95e | 125 | int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc); |
1e65b81a | 126 | |
331bf739 MD |
127 | int ahash_mcryptd_update(struct ahash_request *desc); |
128 | int ahash_mcryptd_final(struct ahash_request *desc); | |
129 | int ahash_mcryptd_finup(struct ahash_request *desc); | |
130 | int ahash_mcryptd_digest(struct ahash_request *desc); | |
7eddf95e | 131 | |
88056ec3 HX |
132 | int crypto_init_shash_ops_async(struct crypto_tfm *tfm); |
133 | ||
18e33e6d HX |
134 | static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm) |
135 | { | |
88056ec3 | 136 | return crypto_tfm_ctx(crypto_ahash_tfm(tfm)); |
18e33e6d HX |
137 | } |
138 | ||
4dc10c01 HX |
139 | static inline struct ahash_alg *__crypto_ahash_alg(struct crypto_alg *alg) |
140 | { | |
141 | return container_of(__crypto_hash_alg_common(alg), struct ahash_alg, | |
142 | halg); | |
143 | } | |
144 | ||
fc00127f HX |
145 | static inline void crypto_ahash_set_reqsize(struct crypto_ahash *tfm, |
146 | unsigned int reqsize) | |
147 | { | |
88056ec3 | 148 | tfm->reqsize = reqsize; |
fc00127f HX |
149 | } |
150 | ||
01c2dece HX |
151 | static inline struct crypto_instance *ahash_crypto_instance( |
152 | struct ahash_instance *inst) | |
153 | { | |
154 | return container_of(&inst->alg.halg.base, struct crypto_instance, alg); | |
155 | } | |
156 | ||
157 | static inline struct ahash_instance *ahash_instance( | |
158 | struct crypto_instance *inst) | |
159 | { | |
160 | return container_of(&inst->alg, struct ahash_instance, alg.halg.base); | |
161 | } | |
162 | ||
163 | static inline void *ahash_instance_ctx(struct ahash_instance *inst) | |
164 | { | |
165 | return crypto_instance_ctx(ahash_crypto_instance(inst)); | |
166 | } | |
167 | ||
168 | static inline unsigned int ahash_instance_headroom(void) | |
169 | { | |
170 | return sizeof(struct ahash_alg) - sizeof(struct crypto_alg); | |
171 | } | |
172 | ||
173 | static inline struct ahash_instance *ahash_alloc_instance( | |
174 | const char *name, struct crypto_alg *alg) | |
175 | { | |
176 | return crypto_alloc_instance2(name, alg, ahash_instance_headroom()); | |
177 | } | |
178 | ||
ef0579b6 HX |
179 | static inline void ahash_request_complete(struct ahash_request *req, int err) |
180 | { | |
181 | req->base.complete(&req->base, err); | |
182 | } | |
183 | ||
184 | static inline u32 ahash_request_flags(struct ahash_request *req) | |
185 | { | |
186 | return req->base.flags; | |
187 | } | |
188 | ||
01c2dece HX |
189 | static inline struct crypto_ahash *crypto_spawn_ahash( |
190 | struct crypto_ahash_spawn *spawn) | |
191 | { | |
192 | return crypto_spawn_tfm2(&spawn->base); | |
193 | } | |
194 | ||
18e33e6d HX |
195 | static inline int ahash_enqueue_request(struct crypto_queue *queue, |
196 | struct ahash_request *request) | |
197 | { | |
198 | return crypto_enqueue_request(queue, &request->base); | |
199 | } | |
200 | ||
201 | static inline struct ahash_request *ahash_dequeue_request( | |
202 | struct crypto_queue *queue) | |
203 | { | |
204 | return ahash_request_cast(crypto_dequeue_request(queue)); | |
205 | } | |
206 | ||
18e33e6d HX |
207 | static inline int ahash_tfm_in_queue(struct crypto_queue *queue, |
208 | struct crypto_ahash *tfm) | |
209 | { | |
210 | return crypto_tfm_in_queue(queue, crypto_ahash_tfm(tfm)); | |
211 | } | |
212 | ||
7b5a080b HX |
213 | static inline void *crypto_shash_ctx(struct crypto_shash *tfm) |
214 | { | |
215 | return crypto_tfm_ctx(&tfm->base); | |
216 | } | |
217 | ||
2e4fddd8 HX |
218 | static inline struct crypto_instance *shash_crypto_instance( |
219 | struct shash_instance *inst) | |
220 | { | |
221 | return container_of(&inst->alg.base, struct crypto_instance, alg); | |
222 | } | |
223 | ||
224 | static inline struct shash_instance *shash_instance( | |
225 | struct crypto_instance *inst) | |
226 | { | |
227 | return container_of(__crypto_shash_alg(&inst->alg), | |
228 | struct shash_instance, alg); | |
229 | } | |
230 | ||
ef5d590c HX |
231 | static inline void *shash_instance_ctx(struct shash_instance *inst) |
232 | { | |
233 | return crypto_instance_ctx(shash_crypto_instance(inst)); | |
234 | } | |
235 | ||
2e4fddd8 HX |
236 | static inline struct shash_instance *shash_alloc_instance( |
237 | const char *name, struct crypto_alg *alg) | |
238 | { | |
239 | return crypto_alloc_instance2(name, alg, | |
240 | sizeof(struct shash_alg) - sizeof(*alg)); | |
241 | } | |
242 | ||
94296999 HX |
243 | static inline struct crypto_shash *crypto_spawn_shash( |
244 | struct crypto_shash_spawn *spawn) | |
245 | { | |
246 | return crypto_spawn_tfm2(&spawn->base); | |
247 | } | |
248 | ||
cde6263f HX |
249 | static inline void *crypto_shash_ctx_aligned(struct crypto_shash *tfm) |
250 | { | |
251 | return crypto_tfm_ctx_aligned(&tfm->base); | |
252 | } | |
253 | ||
0390e6ae HX |
254 | static inline struct crypto_shash *__crypto_shash_cast(struct crypto_tfm *tfm) |
255 | { | |
113adefc | 256 | return container_of(tfm, struct crypto_shash, base); |
0390e6ae HX |
257 | } |
258 | ||
20036252 HX |
259 | #endif /* _CRYPTO_INTERNAL_HASH_H */ |
260 |