[linux-2.6-block.git] / include / crypto / ecdh.h

/*
 * ECDH params to be used with kpp API
 *
 * Copyright (c) 2016, Intel Corporation
 * Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>
 *
 * 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_ECDH_
#define _CRYPTO_ECDH_

/* Curves IDs */
#define ECC_CURVE_NIST_P192	0x0001
#define ECC_CURVE_NIST_P256	0x0002

struct ecdh {
	unsigned short curve_id;
	char *key;
	unsigned short key_size;
};

int crypto_ecdh_key_len(const struct ecdh *params);
int crypto_ecdh_encode_key(char *buf, unsigned int len, const struct ecdh *p);
int crypto_ecdh_decode_key(const char *buf, unsigned int len, struct ecdh *p);

#endif
Commit	Line	Data
3c4b2390 SB	1	/*
	2	* ECDH params to be used with kpp API
	3	*
	4	* Copyright (c) 2016, Intel Corporation
	5	* Authors: Salvatore Benedetto <salvatore.benedetto@intel.com>
	6	*
	7	* This program is free software; you can redistribute it and/or modify it
	8	* under the terms of the GNU General Public License as published by the Free
	9	* Software Foundation; either version 2 of the License, or (at your option)
	10	* any later version.
	11	*
	12	*/
	13	#ifndef _CRYPTO_ECDH_
	14	#define _CRYPTO_ECDH_
	15
	16	/* Curves IDs */
	17	#define ECC_CURVE_NIST_P192 0x0001
	18	#define ECC_CURVE_NIST_P256 0x0002
	19
	20	struct ecdh {
	21	unsigned short curve_id;
	22	char *key;
	23	unsigned short key_size;
	24	};
	25
	26	int crypto_ecdh_key_len(const struct ecdh *params);
	27	int crypto_ecdh_encode_key(char buf, unsigned int len, const struct ecdh p);
	28	int crypto_ecdh_decode_key(const char buf, unsigned int len, struct ecdh p);
	29
	30	#endif