mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-26 16:11:07 +00:00
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/* libanode: the Anode C reference implementation
|
|
* Copyright (C) 2009-2010 Adam Ierymenko <adam.ierymenko@gmail.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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that 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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
/* Elliptic curve glue -- hides OpenSSL code behind this source module */
|
|
|
|
#ifndef _ANODE_EC_H
|
|
#define _ANODE_EC_H
|
|
|
|
#include "misc.h"
|
|
|
|
/* Right now, only one mode is supported: NIST-P-256. This is the only mode
|
|
* supported in the spec as well, and should be good for quite some time.
|
|
* If other modes are needed this code will need to be refactored. */
|
|
|
|
/* NIST-P-256 prime size in bytes */
|
|
#define ANODE_EC_PRIME_BYTES 32
|
|
|
|
/* Sizes of key fields */
|
|
#define ANODE_EC_GROUP NID_X9_62_prime256v1
|
|
#define ANODE_EC_PUBLIC_KEY_BYTES (ANODE_EC_PRIME_BYTES + 1)
|
|
#define ANODE_EC_PRIVATE_KEY_BYTES ANODE_EC_PRIME_BYTES
|
|
|
|
/* Larger of public or private key bytes, used for buffers */
|
|
#define ANODE_EC_MAX_BYTES ANODE_EC_PUBLIC_KEY_BYTES
|
|
|
|
struct AnodeECKey
|
|
{
|
|
unsigned char key[ANODE_EC_MAX_BYTES];
|
|
unsigned int bytes;
|
|
};
|
|
|
|
struct AnodeECKeyPair
|
|
{
|
|
struct AnodeECKey pub;
|
|
struct AnodeECKey priv;
|
|
void *internal_key;
|
|
};
|
|
|
|
/* Key management functions */
|
|
int AnodeECKeyPair_generate(struct AnodeECKeyPair *pair);
|
|
int AnodeECKeyPair_init(struct AnodeECKeyPair *pair,const struct AnodeECKey *pub,const struct AnodeECKey *priv);
|
|
void AnodeECKeyPair_destroy(struct AnodeECKeyPair *pair);
|
|
int AnodeECKeyPair_agree(const struct AnodeECKeyPair *my_key_pair,const struct AnodeECKey *their_pub_key,unsigned char *key_buf,unsigned int key_len);
|
|
|
|
/* Provides access to the secure PRNG used to generate keys */
|
|
void AnodeEC_random(unsigned char *buf,unsigned int len);
|
|
|
|
#endif
|