[linux-2.6-block.git] / include / linux / cryptouser.h

/*
 * Crypto user configuration API.
 *
 * Copyright (C) 2011 secunet Security Networks AG
 * Copyright (C) 2011 Steffen Klassert <steffen.klassert@secunet.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 */

/* Netlink configuration messages.  */
enum {
	CRYPTO_MSG_BASE = 0x10,
	CRYPTO_MSG_NEWALG = 0x10,
	CRYPTO_MSG_DELALG,
	CRYPTO_MSG_UPDATEALG,
	CRYPTO_MSG_GETALG,
	__CRYPTO_MSG_MAX
};
#define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1)
#define CRYPTO_NR_MSGTYPES (CRYPTO_MSG_MAX + 1 - CRYPTO_MSG_BASE)

#define CRYPTO_MAX_NAME CRYPTO_MAX_ALG_NAME

/* Netlink message attributes.  */
enum crypto_attr_type_t {
	CRYPTOCFGA_UNSPEC,
	CRYPTOCFGA_PRIORITY_VAL,	/* __u32 */
	CRYPTOCFGA_REPORT_LARVAL,	/* struct crypto_report_larval */
	CRYPTOCFGA_REPORT_HASH,		/* struct crypto_report_hash */
	CRYPTOCFGA_REPORT_BLKCIPHER,	/* struct crypto_report_blkcipher */
	CRYPTOCFGA_REPORT_AEAD,		/* struct crypto_report_aead */
	CRYPTOCFGA_REPORT_COMPRESS,	/* struct crypto_report_comp */
	CRYPTOCFGA_REPORT_RNG,		/* struct crypto_report_rng */
	CRYPTOCFGA_REPORT_CIPHER,	/* struct crypto_report_cipher */
	CRYPTOCFGA_REPORT_AKCIPHER,	/* struct crypto_report_akcipher */
	__CRYPTOCFGA_MAX

#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
};

struct crypto_user_alg {
	char cru_name[CRYPTO_MAX_ALG_NAME];
	char cru_driver_name[CRYPTO_MAX_ALG_NAME];
	char cru_module_name[CRYPTO_MAX_ALG_NAME];
	__u32 cru_type;
	__u32 cru_mask;
	__u32 cru_refcnt;
	__u32 cru_flags;
};

struct crypto_report_larval {
	char type[CRYPTO_MAX_NAME];
};

struct crypto_report_hash {
	char type[CRYPTO_MAX_NAME];
	unsigned int blocksize;
	unsigned int digestsize;
};

struct crypto_report_cipher {
	char type[CRYPTO_MAX_ALG_NAME];
	unsigned int blocksize;
	unsigned int min_keysize;
	unsigned int max_keysize;
};

struct crypto_report_blkcipher {
	char type[CRYPTO_MAX_NAME];
	char geniv[CRYPTO_MAX_NAME];
	unsigned int blocksize;
	unsigned int min_keysize;
	unsigned int max_keysize;
	unsigned int ivsize;
};

struct crypto_report_aead {
	char type[CRYPTO_MAX_NAME];
	char geniv[CRYPTO_MAX_NAME];
	unsigned int blocksize;
	unsigned int maxauthsize;
	unsigned int ivsize;
};

struct crypto_report_comp {
	char type[CRYPTO_MAX_NAME];
};

struct crypto_report_rng {
	char type[CRYPTO_MAX_NAME];
	unsigned int seedsize;
};

struct crypto_report_akcipher {
	char type[CRYPTO_MAX_NAME];
};

#define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \
			       sizeof(struct crypto_report_blkcipher))
Commit	Line	Data
a38f7907 SK	1	/*
	2	* Crypto user configuration API.
	3	*
	4	* Copyright (C) 2011 secunet Security Networks AG
	5	* Copyright (C) 2011 Steffen Klassert <steffen.klassert@secunet.com>
	6	*
	7	* This program is free software; you can redistribute it and/or modify it
	8	* under the terms and conditions of the GNU General Public License,
	9	* version 2, as published by the Free Software Foundation.
	10	*
	11	* This program is distributed in the hope it will be useful, but WITHOUT
	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	14	* more details.
	15	*
	16	* You should have received a copy of the GNU General Public License along with
	17	* this program; if not, write to the Free Software Foundation, Inc.,
	18	* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
	19	*/
	20
	21	/* Netlink configuration messages. */
	22	enum {
	23	CRYPTO_MSG_BASE = 0x10,
	24	CRYPTO_MSG_NEWALG = 0x10,
	25	CRYPTO_MSG_DELALG,
	26	CRYPTO_MSG_UPDATEALG,
	27	CRYPTO_MSG_GETALG,
	28	__CRYPTO_MSG_MAX
	29	};
	30	#define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1)
	31	#define CRYPTO_NR_MSGTYPES (CRYPTO_MSG_MAX + 1 - CRYPTO_MSG_BASE)
	32
	33	#define CRYPTO_MAX_NAME CRYPTO_MAX_ALG_NAME
	34
	35	/* Netlink message attributes. */
	36	enum crypto_attr_type_t {
	37	CRYPTOCFGA_UNSPEC,
	38	CRYPTOCFGA_PRIORITY_VAL, /* __u32 */
6c5a86f5	39	CRYPTOCFGA_REPORT_LARVAL, /* struct crypto_report_larval */
f4d663ce	40	CRYPTOCFGA_REPORT_HASH, /* struct crypto_report_hash */
50496a1f	41	CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */
6ad414fe	42	CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */
a55465dc	43	CRYPTOCFGA_REPORT_COMPRESS, /* struct crypto_report_comp */
792608e9	44	CRYPTOCFGA_REPORT_RNG, /* struct crypto_report_rng */
07a5fa4a	45	CRYPTOCFGA_REPORT_CIPHER, /* struct crypto_report_cipher */
3c339ab8	46	CRYPTOCFGA_REPORT_AKCIPHER, /* struct crypto_report_akcipher */
a38f7907 SK	47	__CRYPTOCFGA_MAX
	48
	49	#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
	50	};
	51
	52	struct crypto_user_alg {
	53	char cru_name[CRYPTO_MAX_ALG_NAME];
	54	char cru_driver_name[CRYPTO_MAX_ALG_NAME];
	55	char cru_module_name[CRYPTO_MAX_ALG_NAME];
	56	__u32 cru_type;
	57	__u32 cru_mask;
	58	__u32 cru_refcnt;
	59	__u32 cru_flags;
	60	};
6c5a86f5 SK	61
	62	struct crypto_report_larval {
	63	char type[CRYPTO_MAX_NAME];
	64	};
f4d663ce SK	65
	66	struct crypto_report_hash {
	67	char type[CRYPTO_MAX_NAME];
	68	unsigned int blocksize;
	69	unsigned int digestsize;
	70	};
50496a1f	71
07a5fa4a SK	72	struct crypto_report_cipher {
	73	char type[CRYPTO_MAX_ALG_NAME];
	74	unsigned int blocksize;
	75	unsigned int min_keysize;
	76	unsigned int max_keysize;
	77	};
	78
50496a1f SK	79	struct crypto_report_blkcipher {
	80	char type[CRYPTO_MAX_NAME];
	81	char geniv[CRYPTO_MAX_NAME];
	82	unsigned int blocksize;
	83	unsigned int min_keysize;
	84	unsigned int max_keysize;
	85	unsigned int ivsize;
	86	};
6ad414fe SK	87
	88	struct crypto_report_aead {
	89	char type[CRYPTO_MAX_NAME];
	90	char geniv[CRYPTO_MAX_NAME];
	91	unsigned int blocksize;
	92	unsigned int maxauthsize;
	93	unsigned int ivsize;
	94	};
a55465dc SK	95
	96	struct crypto_report_comp {
	97	char type[CRYPTO_MAX_NAME];
	98	};
792608e9 SK	99
	100	struct crypto_report_rng {
	101	char type[CRYPTO_MAX_NAME];
	102	unsigned int seedsize;
	103	};
5219a534	104
3c339ab8 TS	105	struct crypto_report_akcipher {
	106	char type[CRYPTO_MAX_NAME];
	107	};
	108
5219a534 SK	109	#define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \
5219a534 SK	110	sizeof(struct crypto_report_blkcipher))