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authorLen Brown <len.brown@intel.com>2009-09-19 00:11:26 -0400
committerLen Brown <len.brown@intel.com>2009-09-19 00:11:26 -0400
commitc602c65b2f81d14456771d1e3f15d1381f4b7efa (patch)
treef1f833c8dd6c1519eeb101be32f7fe54a9605af5 /include/crypto/internal/hash.h
parent3834f47291df475be3f0f0fb7ccaa098967cc054 (diff)
parent78f28b7c555359c67c2a0d23f7436e915329421e (diff)
Merge branch 'linus' into sfi-release
Conflicts: arch/x86/kernel/setup.c drivers/acpi/power.c init/main.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/crypto/internal/hash.h')
-rw-r--r--include/crypto/internal/hash.h147
1 files changed, 143 insertions, 4 deletions
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index 82b70564bcab..5bfad8c80595 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -34,6 +34,22 @@ struct crypto_hash_walk {
34 unsigned int flags; 34 unsigned int flags;
35}; 35};
36 36
37struct ahash_instance {
38 struct ahash_alg alg;
39};
40
41struct shash_instance {
42 struct shash_alg alg;
43};
44
45struct crypto_ahash_spawn {
46 struct crypto_spawn base;
47};
48
49struct crypto_shash_spawn {
50 struct crypto_spawn base;
51};
52
37extern const struct crypto_type crypto_ahash_type; 53extern const struct crypto_type crypto_ahash_type;
38 54
39int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err); 55int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err);
@@ -43,18 +59,100 @@ int crypto_hash_walk_first_compat(struct hash_desc *hdesc,
43 struct crypto_hash_walk *walk, 59 struct crypto_hash_walk *walk,
44 struct scatterlist *sg, unsigned int len); 60 struct scatterlist *sg, unsigned int len);
45 61
62static inline int crypto_hash_walk_last(struct crypto_hash_walk *walk)
63{
64 return !(walk->entrylen | walk->total);
65}
66
67int crypto_register_ahash(struct ahash_alg *alg);
68int crypto_unregister_ahash(struct ahash_alg *alg);
69int ahash_register_instance(struct crypto_template *tmpl,
70 struct ahash_instance *inst);
71void ahash_free_instance(struct crypto_instance *inst);
72
73int crypto_init_ahash_spawn(struct crypto_ahash_spawn *spawn,
74 struct hash_alg_common *alg,
75 struct crypto_instance *inst);
76
77static inline void crypto_drop_ahash(struct crypto_ahash_spawn *spawn)
78{
79 crypto_drop_spawn(&spawn->base);
80}
81
82struct hash_alg_common *ahash_attr_alg(struct rtattr *rta, u32 type, u32 mask);
83
46int crypto_register_shash(struct shash_alg *alg); 84int crypto_register_shash(struct shash_alg *alg);
47int crypto_unregister_shash(struct shash_alg *alg); 85int crypto_unregister_shash(struct shash_alg *alg);
86int shash_register_instance(struct crypto_template *tmpl,
87 struct shash_instance *inst);
88void shash_free_instance(struct crypto_instance *inst);
89
90int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn,
91 struct shash_alg *alg,
92 struct crypto_instance *inst);
93
94static inline void crypto_drop_shash(struct crypto_shash_spawn *spawn)
95{
96 crypto_drop_spawn(&spawn->base);
97}
98
99struct shash_alg *shash_attr_alg(struct rtattr *rta, u32 type, u32 mask);
100
101int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc);
102int shash_ahash_finup(struct ahash_request *req, struct shash_desc *desc);
103int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc);
104
105int crypto_init_shash_ops_async(struct crypto_tfm *tfm);
48 106
49static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm) 107static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm)
50{ 108{
51 return crypto_tfm_ctx(&tfm->base); 109 return crypto_tfm_ctx(crypto_ahash_tfm(tfm));
110}
111
112static inline struct ahash_alg *__crypto_ahash_alg(struct crypto_alg *alg)
113{
114 return container_of(__crypto_hash_alg_common(alg), struct ahash_alg,
115 halg);
116}
117
118static inline void crypto_ahash_set_reqsize(struct crypto_ahash *tfm,
119 unsigned int reqsize)
120{
121 tfm->reqsize = reqsize;
122}
123
124static inline struct crypto_instance *ahash_crypto_instance(
125 struct ahash_instance *inst)
126{
127 return container_of(&inst->alg.halg.base, struct crypto_instance, alg);
52} 128}
53 129
54static inline struct ahash_alg *crypto_ahash_alg( 130static inline struct ahash_instance *ahash_instance(
55 struct crypto_ahash *tfm) 131 struct crypto_instance *inst)
56{ 132{
57 return &crypto_ahash_tfm(tfm)->__crt_alg->cra_ahash; 133 return container_of(&inst->alg, struct ahash_instance, alg.halg.base);
134}
135
136static inline void *ahash_instance_ctx(struct ahash_instance *inst)
137{
138 return crypto_instance_ctx(ahash_crypto_instance(inst));
139}
140
141static inline unsigned int ahash_instance_headroom(void)
142{
143 return sizeof(struct ahash_alg) - sizeof(struct crypto_alg);
144}
145
146static inline struct ahash_instance *ahash_alloc_instance(
147 const char *name, struct crypto_alg *alg)
148{
149 return crypto_alloc_instance2(name, alg, ahash_instance_headroom());
150}
151
152static inline struct crypto_ahash *crypto_spawn_ahash(
153 struct crypto_ahash_spawn *spawn)
154{
155 return crypto_spawn_tfm2(&spawn->base);
58} 156}
59 157
60static inline int ahash_enqueue_request(struct crypto_queue *queue, 158static inline int ahash_enqueue_request(struct crypto_queue *queue,
@@ -80,5 +178,46 @@ static inline void *crypto_shash_ctx(struct crypto_shash *tfm)
80 return crypto_tfm_ctx(&tfm->base); 178 return crypto_tfm_ctx(&tfm->base);
81} 179}
82 180
181static inline struct crypto_instance *shash_crypto_instance(
182 struct shash_instance *inst)
183{
184 return container_of(&inst->alg.base, struct crypto_instance, alg);
185}
186
187static inline struct shash_instance *shash_instance(
188 struct crypto_instance *inst)
189{
190 return container_of(__crypto_shash_alg(&inst->alg),
191 struct shash_instance, alg);
192}
193
194static inline void *shash_instance_ctx(struct shash_instance *inst)
195{
196 return crypto_instance_ctx(shash_crypto_instance(inst));
197}
198
199static inline struct shash_instance *shash_alloc_instance(
200 const char *name, struct crypto_alg *alg)
201{
202 return crypto_alloc_instance2(name, alg,
203 sizeof(struct shash_alg) - sizeof(*alg));
204}
205
206static inline struct crypto_shash *crypto_spawn_shash(
207 struct crypto_shash_spawn *spawn)
208{
209 return crypto_spawn_tfm2(&spawn->base);
210}
211
212static inline void *crypto_shash_ctx_aligned(struct crypto_shash *tfm)
213{
214 return crypto_tfm_ctx_aligned(&tfm->base);
215}
216
217static inline struct crypto_shash *__crypto_shash_cast(struct crypto_tfm *tfm)
218{
219 return container_of(tfm, struct crypto_shash, base);
220}
221
83#endif /* _CRYPTO_INTERNAL_HASH_H */ 222#endif /* _CRYPTO_INTERNAL_HASH_H */
84 223