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authorHerbert Xu <herbert@gondor.apana.org.au>2006-08-06 21:16:34 +1000
committerHerbert Xu <herbert@gondor.apana.org.au>2006-09-21 11:17:12 +1000
commit4cc7720cd165273b08a72b4193146dffee58e34b (patch)
tree19c49af8a8195624ae101f665a05efc086c7f53b /include/crypto
parentcce9e06d100df19a327b19f23adad76e7bf63edd (diff)
downloadlinux-4cc7720cd165273b08a72b4193146dffee58e34b.tar.bz2
[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/crypto')
-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 @@
#include <linux/crypto.h>
+struct module;
+
+struct crypto_instance {
+ struct crypto_alg alg;
+
+ struct crypto_template *tmpl;
+ struct hlist_node list;
+
+ void *__ctx[] CRYPTO_MINALIGN_ATTR;
+};
+
+struct crypto_template {
+ struct list_head list;
+ struct hlist_head instances;
+ struct module *module;
+
+ struct crypto_instance *(*alloc)(void *param, unsigned int len);
+ void (*free)(struct crypto_instance *inst);
+
+ char name[CRYPTO_MAX_ALG_NAME];
+};
+
+int crypto_register_template(struct crypto_template *tmpl);
+void crypto_unregister_template(struct crypto_template *tmpl);
+struct crypto_template *crypto_lookup_template(const char *name);
+
+static inline void *crypto_instance_ctx(struct crypto_instance *inst)
+{
+ return inst->__ctx;
+}
+
#endif /* _CRYPTO_ALGAPI_H */