[linux-block.git] / include / crypto / internal / aead.h

/*
 * AEAD: Authenticated Encryption with Associated Data
 * 
 * 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_AEAD_H
#define _CRYPTO_INTERNAL_AEAD_H

#include <crypto/aead.h>
#include <crypto/algapi.h>
#include <linux/types.h>

struct rtattr;

struct crypto_aead_spawn {
	struct crypto_spawn base;
};

extern const struct crypto_type crypto_aead_type;
extern const struct crypto_type crypto_nivaead_type;

static inline struct old_aead_alg *crypto_old_aead_alg(struct crypto_aead *tfm)
{
	return &crypto_aead_tfm(tfm)->__crt_alg->cra_aead;
}

static inline struct aead_alg *crypto_aead_alg(struct crypto_aead *tfm)
{
	return &crypto_aead_tfm(tfm)->__crt_alg->cra_aead;
}

static inline void *crypto_aead_ctx(struct crypto_aead *tfm)
{
	return crypto_tfm_ctx(&tfm->base);
}

static inline struct crypto_instance *crypto_aead_alg_instance(
	struct crypto_aead *aead)
{
	return crypto_tfm_alg_instance(&aead->base);
}

static inline void *aead_request_ctx(struct aead_request *req)
{
	return req->__ctx;
}

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

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

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

struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask);

int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name,
		     u32 type, u32 mask);

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

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

static inline struct crypto_aead *crypto_spawn_aead(
	struct crypto_aead_spawn *spawn)
{
	return crypto_spawn_tfm2(&spawn->base);
}

struct crypto_instance *aead_geniv_alloc(struct crypto_template *tmpl,
					 struct rtattr **tb, u32 type,
					 u32 mask);
void aead_geniv_free(struct crypto_instance *inst);
int aead_geniv_init(struct crypto_tfm *tfm);
void aead_geniv_exit(struct crypto_tfm *tfm);

static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv)
{
	return geniv->child;
}

static inline void *aead_givcrypt_reqctx(struct aead_givcrypt_request *req)
{
	return aead_request_ctx(&req->areq);
}

static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req,
					  int err)
{
	aead_request_complete(&req->areq, err);
}

static inline void crypto_aead_set_reqsize(struct crypto_aead *aead,
					   unsigned int reqsize)
{
	crypto_aead_crt(aead)->reqsize = reqsize;
}

#endif	/* _CRYPTO_INTERNAL_AEAD_H */
Commit	Line	Data
5b6d2d7f HX	1	/*
	2	* AEAD: Authenticated Encryption with Associated Data
	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_AEAD_H
	14	#define _CRYPTO_INTERNAL_AEAD_H
	15
	16	#include <crypto/aead.h>
	17	#include <crypto/algapi.h>
	18	#include <linux/types.h>
	19
	20	struct rtattr;
	21
	22	struct crypto_aead_spawn {
	23	struct crypto_spawn base;
	24	};
	25
5d1d65f8	26	extern const struct crypto_type crypto_aead_type;
5b6d2d7f HX	27	extern const struct crypto_type crypto_nivaead_type;
5b6d2d7f HX	28
2d0f230f HX	29	static inline struct old_aead_alg crypto_old_aead_alg(struct crypto_aead tfm)
	30	{
	31	return &crypto_aead_tfm(tfm)->__crt_alg->cra_aead;
	32	}
	33
5d1d65f8 HX	34	static inline struct aead_alg crypto_aead_alg(struct crypto_aead tfm)
	35	{
	36	return &crypto_aead_tfm(tfm)->__crt_alg->cra_aead;
	37	}
	38
	39	static inline void crypto_aead_ctx(struct crypto_aead tfm)
	40	{
	41	return crypto_tfm_ctx(&tfm->base);
	42	}
	43
	44	static inline struct crypto_instance *crypto_aead_alg_instance(
	45	struct crypto_aead *aead)
	46	{
	47	return crypto_tfm_alg_instance(&aead->base);
	48	}
	49
	50	static inline void aead_request_ctx(struct aead_request req)
	51	{
	52	return req->__ctx;
	53	}
	54
	55	static inline void aead_request_complete(struct aead_request *req, int err)
	56	{
	57	req->base.complete(&req->base, err);
	58	}
	59
	60	static inline u32 aead_request_flags(struct aead_request *req)
	61	{
	62	return req->base.flags;
	63	}
	64
5b6d2d7f HX	65	static inline void crypto_set_aead_spawn(
	66	struct crypto_aead_spawn spawn, struct crypto_instance inst)
	67	{
	68	crypto_set_spawn(&spawn->base, inst);
	69	}
	70
1e122994 SK	71	struct crypto_alg crypto_lookup_aead(const char name, u32 type, u32 mask);
1e122994 SK	72
d29ce988 HX	73	int crypto_grab_aead(struct crypto_aead_spawn spawn, const char name,
	74	u32 type, u32 mask);
	75
5b6d2d7f HX	76	static inline void crypto_drop_aead(struct crypto_aead_spawn *spawn)
	77	{
	78	crypto_drop_spawn(&spawn->base);
	79	}
	80
	81	static inline struct crypto_alg *crypto_aead_spawn_alg(
	82	struct crypto_aead_spawn *spawn)
	83	{
	84	return spawn->base.alg;
	85	}
	86
	87	static inline struct crypto_aead *crypto_spawn_aead(
	88	struct crypto_aead_spawn *spawn)
	89	{
5d1d65f8	90	return crypto_spawn_tfm2(&spawn->base);
5b6d2d7f HX	91	}
	92
	93	struct crypto_instance aead_geniv_alloc(struct crypto_template tmpl,
	94	struct rtattr **tb, u32 type,
	95	u32 mask);
	96	void aead_geniv_free(struct crypto_instance *inst);
	97	int aead_geniv_init(struct crypto_tfm *tfm);
	98	void aead_geniv_exit(struct crypto_tfm *tfm);
	99
	100	static inline struct crypto_aead aead_geniv_base(struct crypto_aead geniv)
	101	{
5d1d65f8	102	return geniv->child;
5b6d2d7f HX	103	}
	104
	105	static inline void aead_givcrypt_reqctx(struct aead_givcrypt_request req)
	106	{
	107	return aead_request_ctx(&req->areq);
	108	}
	109
	110	static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req,
	111	int err)
	112	{
	113	aead_request_complete(&req->areq, err);
	114	}
	115
21b70134 HX	116	static inline void crypto_aead_set_reqsize(struct crypto_aead *aead,
	117	unsigned int reqsize)
	118	{
	119	crypto_aead_crt(aead)->reqsize = reqsize;
	120	}
	121
5b6d2d7f HX	122	#endif /* _CRYPTO_INTERNAL_AEAD_H */
5b6d2d7f HX	123