/*
 * Copyright (c) 2009 Chris K Cockrum <ckc@cockrum.net>
 *
 * Copyright (c) 2013 Jens Trillmann <jtrillma@tzi.de>
 * Copyright (c) 2013 Marc Müller-Weinhardt <muewei@tzi.de>
 * Copyright (c) 2013 Lars Schmertmann <lars@tzi.de>
 * Copyright (c) 2013 Hauke Mehrtens <hauke@hauke-m.de>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 *
 * This implementation is based in part on the paper Implementation of an
 * Elliptic Curve Cryptosystem on an 8-bit Microcontroller [0] by
 * Chris K Cockrum <ckc@cockrum.net>.
 *
 * [0]: http://cockrum.net/Implementation_of_ECC_on_an_8-bit_microcontroller.pdf
 *
 * This is a efficient ECC implementation on the secp256r1 curve for 32 Bit CPU
 * architectures. It provides basic operations on the secp256r1 curve and support
 * for ECDH and ECDSA.
 */
#include <inttypes.h>

extern const uint32_t ecc_prime_m[8];
extern const uint32_t ecc_prime_r[8];

//debug function to print long numbers
void ecc_printNumber(const uint32_t *x, int numberLength);
void ecc_setRandom(uint32_t *secret);

#ifdef CONTIKI
#undef assert
#define assert(e) ((e) ? (void)0 : test_assert(__FILE__, __LINE__))
void test_assert(const char *, int);
#endif