[deliverable/linux.git] / include / crypto / internal / skcipher.h

/*
 * Symmetric key ciphers.
 * 
 * Copyright (c) 2007 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_INTERNAL_SKCIPHER_H
#define _CRYPTO_INTERNAL_SKCIPHER_H

#include <crypto/algapi.h>
#include <crypto/skcipher.h>
#include <linux/init.h>
#include <linux/types.h>

struct rtattr;

struct crypto_skcipher_spawn {
	struct crypto_spawn base;
};

extern const struct crypto_type crypto_givcipher_type;

static inline void crypto_set_skcipher_spawn(
	struct crypto_skcipher_spawn *spawn, struct crypto_instance *inst)
{
	crypto_set_spawn(&spawn->base, inst);
}

int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, const char *name,
			 u32 type, u32 mask);

static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn)
{
	crypto_drop_spawn(&spawn->base);
}

static inline struct crypto_alg *crypto_skcipher_spawn_alg(
	struct crypto_skcipher_spawn *spawn)
{
	return spawn->base.alg;
}

static inline struct crypto_ablkcipher *crypto_spawn_skcipher(
	struct crypto_skcipher_spawn *spawn)
{
	return __crypto_ablkcipher_cast(
		crypto_spawn_tfm(&spawn->base, crypto_skcipher_type(0),
				 crypto_skcipher_mask(0)));
}

int skcipher_null_givencrypt(struct skcipher_givcrypt_request *req);
int skcipher_null_givdecrypt(struct skcipher_givcrypt_request *req);
const char *crypto_default_geniv(const struct crypto_alg *alg);

struct crypto_instance *skcipher_geniv_alloc(struct crypto_template *tmpl,
					     struct rtattr **tb, u32 type,
					     u32 mask);
void skcipher_geniv_free(struct crypto_instance *inst);
int skcipher_geniv_init(struct crypto_tfm *tfm);
void skcipher_geniv_exit(struct crypto_tfm *tfm);

int __init eseqiv_module_init(void);
void __exit eseqiv_module_exit(void);
int __init chainiv_module_init(void);
void chainiv_module_exit(void);

static inline struct crypto_ablkcipher *skcipher_geniv_cipher(
	struct crypto_ablkcipher *geniv)
{
	return crypto_ablkcipher_crt(geniv)->base;
}

static inline int skcipher_enqueue_givcrypt(
	struct crypto_queue *queue, struct skcipher_givcrypt_request *request)
{
	return ablkcipher_enqueue_request(queue, &request->creq);
}

static inline struct skcipher_givcrypt_request *skcipher_dequeue_givcrypt(
	struct crypto_queue *queue)
{
	return container_of(ablkcipher_dequeue_request(queue),
			    struct skcipher_givcrypt_request, creq);
}

static inline void *skcipher_givcrypt_reqctx(
	struct skcipher_givcrypt_request *req)
{
	return ablkcipher_request_ctx(&req->creq);
}

static inline void ablkcipher_request_complete(struct ablkcipher_request *req,
					       int err)
{
	req->base.complete(&req->base, err);
}

static inline void skcipher_givcrypt_complete(
	struct skcipher_givcrypt_request *req, int err)
{
	ablkcipher_request_complete(&req->creq, err);
}

static inline u32 ablkcipher_request_flags(struct ablkcipher_request *req)
{
	return req->base.flags;
}

#endif	/* _CRYPTO_INTERNAL_SKCIPHER_H */
Commit	Line	Data
378f4f51 HX	1	/*
	2	* Symmetric key ciphers.
	3	*
	4	* Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License as published by the Free
	8	* Software Foundation; either version 2 of the License, or (at your option)
	9	* any later version.
	10	*
	11	*/
	12
	13	#ifndef _CRYPTO_INTERNAL_SKCIPHER_H
	14	#define _CRYPTO_INTERNAL_SKCIPHER_H
	15
	16	#include <crypto/algapi.h>
61da88e2	17	#include <crypto/skcipher.h>
76fc60a2	18	#include <linux/init.h>
ecfc4329 HX	19	#include <linux/types.h>
	20
	21	struct rtattr;
378f4f51 HX	22
	23	struct crypto_skcipher_spawn {
	24	struct crypto_spawn base;
	25	};
	26
61da88e2 HX	27	extern const struct crypto_type crypto_givcipher_type;
61da88e2 HX	28
378f4f51 HX	29	static inline void crypto_set_skcipher_spawn(
	30	struct crypto_skcipher_spawn spawn, struct crypto_instance inst)
	31	{
	32	crypto_set_spawn(&spawn->base, inst);
	33	}
	34
	35	int crypto_grab_skcipher(struct crypto_skcipher_spawn spawn, const char name,
	36	u32 type, u32 mask);
	37
	38	static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn)
	39	{
	40	crypto_drop_spawn(&spawn->base);
	41	}
	42
	43	static inline struct crypto_alg *crypto_skcipher_spawn_alg(
	44	struct crypto_skcipher_spawn *spawn)
	45	{
	46	return spawn->base.alg;
	47	}
	48
	49	static inline struct crypto_ablkcipher *crypto_spawn_skcipher(
	50	struct crypto_skcipher_spawn *spawn)
	51	{
	52	return __crypto_ablkcipher_cast(
	53	crypto_spawn_tfm(&spawn->base, crypto_skcipher_type(0),
	54	crypto_skcipher_mask(0)));
	55	}
	56
b9c55aa4 HX	57	int skcipher_null_givencrypt(struct skcipher_givcrypt_request *req);
b9c55aa4 HX	58	int skcipher_null_givdecrypt(struct skcipher_givcrypt_request *req);
ecfc4329 HX	59	const char crypto_default_geniv(const struct crypto_alg alg);
	60
	61	struct crypto_instance skcipher_geniv_alloc(struct crypto_template tmpl,
	62	struct rtattr **tb, u32 type,
	63	u32 mask);
	64	void skcipher_geniv_free(struct crypto_instance *inst);
	65	int skcipher_geniv_init(struct crypto_tfm *tfm);
	66	void skcipher_geniv_exit(struct crypto_tfm *tfm);
	67
76fc60a2 HX	68	int __init eseqiv_module_init(void);
	69	void __exit eseqiv_module_exit(void);
	70	int __init chainiv_module_init(void);
f13ba2f7	71	void chainiv_module_exit(void);
76fc60a2	72
ecfc4329 HX	73	static inline struct crypto_ablkcipher *skcipher_geniv_cipher(
	74	struct crypto_ablkcipher *geniv)
	75	{
	76	return crypto_ablkcipher_crt(geniv)->base;
	77	}
	78
e7cd2514 HX	79	static inline int skcipher_enqueue_givcrypt(
	80	struct crypto_queue queue, struct skcipher_givcrypt_request request)
	81	{
	82	return ablkcipher_enqueue_request(queue, &request->creq);
	83	}
	84
	85	static inline struct skcipher_givcrypt_request *skcipher_dequeue_givcrypt(
	86	struct crypto_queue *queue)
	87	{
	88	return container_of(ablkcipher_dequeue_request(queue),
	89	struct skcipher_givcrypt_request, creq);
	90	}
	91
61da88e2 HX	92	static inline void *skcipher_givcrypt_reqctx(
	93	struct skcipher_givcrypt_request *req)
	94	{
	95	return ablkcipher_request_ctx(&req->creq);
	96	}
	97
15c67286 HX	98	static inline void ablkcipher_request_complete(struct ablkcipher_request *req,
	99	int err)
	100	{
	101	req->base.complete(&req->base, err);
	102	}
	103
	104	static inline void skcipher_givcrypt_complete(
	105	struct skcipher_givcrypt_request *req, int err)
	106	{
	107	ablkcipher_request_complete(&req->creq, err);
	108	}
	109
3631c650 HX	110	static inline u32 ablkcipher_request_flags(struct ablkcipher_request *req)
	111	{
	112	return req->base.flags;
	113	}
	114
378f4f51 HX	115	#endif /* _CRYPTO_INTERNAL_SKCIPHER_H */
378f4f51 HX	116