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authorHerbert Xu <herbert@gondor.apana.org.au>2006-08-06 07:16:34 -0400
committerHerbert Xu <herbert@gondor.apana.org.au>2006-09-20 21:17:12 -0400
commit4cc7720cd165273b08a72b4193146dffee58e34b (patch)
tree19c49af8a8195624ae101f665a05efc086c7f53b /include
parentcce9e06d100df19a327b19f23adad76e7bf63edd (diff)
[CRYPTO] api: Add template registration
A crypto_template generates a crypto_alg object when given a set of parameters. this patch adds the basic data structure fo templates and code to handle their registration/deregistration. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/crypto/algapi.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index ed68d494b364..ffec530d52fb 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -14,5 +14,36 @@
14 14
15#include <linux/crypto.h> 15#include <linux/crypto.h>
16 16
17struct module;
18
19struct crypto_instance {
20 struct crypto_alg alg;
21
22 struct crypto_template *tmpl;
23 struct hlist_node list;
24
25 void *__ctx[] CRYPTO_MINALIGN_ATTR;
26};
27
28struct crypto_template {
29 struct list_head list;
30 struct hlist_head instances;
31 struct module *module;
32
33 struct crypto_instance *(*alloc)(void *param, unsigned int len);
34 void (*free)(struct crypto_instance *inst);
35
36 char name[CRYPTO_MAX_ALG_NAME];
37};
38
39int crypto_register_template(struct crypto_template *tmpl);
40void crypto_unregister_template(struct crypto_template *tmpl);
41struct crypto_template *crypto_lookup_template(const char *name);
42
43static inline void *crypto_instance_ctx(struct crypto_instance *inst)
44{
45 return inst->__ctx;
46}
47
17#endif /* _CRYPTO_ALGAPI_H */ 48#endif /* _CRYPTO_ALGAPI_H */
18 49