1
linux/include/crypto/algapi.h
Herbert Xu 4cc7720cd1 [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>
2006-09-21 11:17:12 +10:00

50 lines
1.2 KiB
C

/*
* Cryptographic API for algorithms (i.e., low-level API).
*
* Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
*/
#ifndef _CRYPTO_ALGAPI_H
#define _CRYPTO_ALGAPI_H
#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 */