Contiki-NG
ecc-curve.c
1/*
2 * Copyright (c) 2014, Institute for Pervasive Computing, ETH Zurich.
3 * All rights reserved.
4 *
5 * Author: Andreas Dröscher <contiki@anticat.ch>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the Institute nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31/**
32 * \addtogroup cc2538-ecc-curves
33 * @{
34 */
35#include "contiki.h"
36#include "dev/ecc-driver.h"
37
38/* [NIST P-256, X9.62 prime256v1] */
39static const uint32_t nist_p_256_p[8] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000,
40 0x00000000, 0x00000000, 0x00000001, 0xFFFFFFFF };
41static const uint32_t nist_p_256_n[8] = { 0xFC632551, 0xF3B9CAC2, 0xA7179E84, 0xBCE6FAAD,
42 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000, 0xFFFFFFFF };
43static const uint32_t nist_p_256_a[8] = { 0xFFFFFFFC, 0xFFFFFFFF, 0xFFFFFFFF, 0x00000000,
44 0x00000000, 0x00000000, 0x00000001, 0xFFFFFFFF };
45static const uint32_t nist_p_256_b[8] = { 0x27D2604B, 0x3BCE3C3E, 0xCC53B0F6, 0x651D06B0,
46 0x769886BC, 0xB3EBBD55, 0xAA3A93E7, 0x5AC635D8 };
47static const uint32_t nist_p_256_x[8] = { 0xD898C296, 0xF4A13945, 0x2DEB33A0, 0x77037D81,
48 0x63A440F2, 0xF8BCE6E5, 0xE12C4247, 0x6B17D1F2 };
49static const uint32_t nist_p_256_y[8] = { 0x37BF51F5, 0xCBB64068, 0x6B315ECE, 0x2BCE3357,
50 0x7C0F9E16, 0x8EE7EB4A, 0xFE1A7F9B, 0x4FE342E2 };
51
52ecc_curve_info_t nist_p_256 = {
53 .name = "NIST P-256",
54 .size = 8,
55 .prime = nist_p_256_p,
56 .n = nist_p_256_n,
57 .a = nist_p_256_a,
58 .b = nist_p_256_b,
59 .x = nist_p_256_x,
60 .y = nist_p_256_y
61};
62
63/* [NIST P-192, X9.62 prime192v1] */
64static const uint32_t nist_p_192_p[6] = { 0xffffffff, 0xffffffff, 0xfffffffe, 0xffffffff,
65 0xffffffff, 0xffffffff };
66static const uint32_t nist_p_192_a[6] = { 0xfffffffc, 0xffffffff, 0xfffffffe, 0xffffffff,
67 0xffffffff, 0xffffffff };
68static const uint32_t nist_p_192_b[6] = { 0xc146b9b1, 0xfeb8deec, 0x72243049, 0x0fa7e9ab,
69 0xe59c80e7, 0x64210519 };
70static const uint32_t nist_p_192_x[6] = { 0x82ff1012, 0xf4ff0afd, 0x43a18800, 0x7cbf20eb,
71 0xb03090f6, 0x188da80e };
72static const uint32_t nist_p_192_y[6] = { 0x1e794811, 0x73f977a1, 0x6b24cdd5, 0x631011ed,
73 0xffc8da78, 0x07192b95 };
74static const uint32_t nist_p_192_n[6] = { 0xb4d22831, 0x146bc9b1, 0x99def836, 0xffffffff,
75 0xffffffff, 0xffffffff };
76
77ecc_curve_info_t nist_p_192 = {
78 .name = "NIST P-192",
79 .size = 6,
80 .prime = nist_p_192_p,
81 .n = nist_p_192_n,
82 .a = nist_p_192_a,
83 .b = nist_p_192_b,
84 .x = nist_p_192_x,
85 .y = nist_p_192_y
86};
87
88/**
89 * @}
90 */
ecc-driver.h
Header file for the cc2538 ECC driver.