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* ECDH params to be used with kpp API
* Copyright (c) 2016, Intel Corporation
* Authors: Salvatore Benedetto <>
* 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);