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[CRYPTO] api: Add template registration

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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>
This commit is contained in:
Herbert Xu 2006-08-06 21:16:34 +10:00
parent cce9e06d10
commit 4cc7720cd1
3 changed files with 182 additions and 22 deletions
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31
include/crypto/algapi.h
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@ -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 */