1 /*
2 * Copyright (c) 2021-2023, Texas Instruments Incorporated
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * * 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 *
16 * * Neither the name of Texas Instruments Incorporated nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <stdint.h>
34
35 #include <ti/drivers/cryptoutils/ecc/ECCInitLPF3SW.h>
36 #include <ti/drivers/cryptoutils/ecc/ECCParams.h>
37
38 #include <third_party/ecc/include/ECCSW.h>
39
40 /*
41 * ======== ECCInitLPF3SW_NISTP256 ========
42 */
ECCInitLPF3SW_NISTP256(ECC_State * state,uint8_t windowSize,uint32_t * workZone)43 void ECCInitLPF3SW_NISTP256(ECC_State *state, uint8_t windowSize, uint32_t *workZone)
44 {
45 state->data_Gx = ECC_NISTP256_generatorX.word;
46 state->data_Gy = ECC_NISTP256_generatorY.word;
47 state->data_p = ECC_NISTP256_prime.word;
48 state->data_r = ECC_NISTP256_order.word;
49 state->data_a = ECC_NISTP256_a.word;
50 state->data_b = ECC_NISTP256_b.word;
51 state->data_a_mont = ECC_NISTP256_a_mont.word;
52 state->data_b_mont = ECC_NISTP256_b_mont.word;
53 state->data_k_mont = ECC_NISTP256_k_mont.word;
54 state->win = windowSize;
55
56 state->workzone = workZone;
57 }
58
59 /*
60 * ======== ECCInitLPF3SW_NISTP224 ========
61 */
ECCInitLPF3SW_NISTP224(ECC_State * state,uint8_t windowSize,uint32_t * workZone)62 void ECCInitLPF3SW_NISTP224(ECC_State *state, uint8_t windowSize, uint32_t *workZone)
63 {
64 state->data_Gx = ECC_NISTP224_generatorX.word;
65 state->data_Gy = ECC_NISTP224_generatorY.word;
66 state->data_p = ECC_NISTP224_prime.word;
67 state->data_r = ECC_NISTP224_order.word;
68 state->data_a = ECC_NISTP224_a.word;
69 state->data_b = ECC_NISTP224_b.word;
70 state->data_a_mont = ECC_NISTP224_a_mont.word;
71 state->data_b_mont = ECC_NISTP224_b_mont.word;
72 state->data_k_mont = ECC_NISTP224_k_mont.word;
73 state->win = windowSize;
74
75 state->workzone = workZone;
76 }
77
78 /*
79 * ======== ECCInitLPF3SW_Curve25519 ========
80 */
ECCInitLPF3SW_Curve25519(ECC_State * state,uint8_t windowSize,uint32_t * workZone)81 void ECCInitLPF3SW_Curve25519(ECC_State *state, uint8_t windowSize, uint32_t *workZone)
82 {
83 state->data_Gx = ECC_Curve25519_generatorX.word;
84 state->data_Gy = ECC_Curve25519_generatorY.word;
85 state->data_p = ECC_Curve25519_prime.word;
86 state->data_r = ECC_Curve25519_order.word;
87 state->data_a = ECC_Curve25519_a.word;
88 state->data_b = ECC_Curve25519_b.word;
89 /* The following montgomery curve params are not used for any Curve25519 functions */
90 state->data_a_mont = NULL;
91 state->data_b_mont = NULL;
92 state->data_k_mont = NULL;
93 state->win = windowSize;
94
95 state->workzone = workZone;
96 }
97
