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 #ifndef ti_drivers_cryptoutils_ecc_ECCInitLPF3SW__include 34 #define ti_drivers_cryptoutils_ecc_ECCInitLPF3SW__include 35 36 #include <stdint.h> 37 38 #include <third_party/ecc/include/ECCSW.h> 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 /*! 45 * @brief Initializes the ECC state with NIST P256 curve params. 46 * 47 * @param state Points to ECC state. 48 * @param windowSize ECC SW window size used for computations. 49 * @param workZone Points to ECC workzone buffer. 50 */ 51 void ECCInitLPF3SW_NISTP256(ECC_State *state, uint8_t windowSize, uint32_t *workZone); 52 53 /*! 54 * @brief Initializes the ECC state with NIST P224 curve params. 55 * 56 * @param state Points to ECC state. 57 * @param windowSize ECC SW window size used for computations. 58 * @param workZone Points to ECC workzone buffer. 59 */ 60 void ECCInitLPF3SW_NISTP224(ECC_State *state, uint8_t windowSize, uint32_t *workZone); 61 62 /*! 63 * @brief Initializes the ECC state with Curve25519 curve params. 64 * 65 * @param state Points to ECC state. 66 * @param windowSize ECC SW window size used for computations. 67 * @param workZone Points to ECC workzone buffer. 68 */ 69 void ECCInitLPF3SW_Curve25519(ECC_State *state, uint8_t windowSize, uint32_t *workZone); 70 71 #ifdef __cplusplus 72 } 73 #endif 74 75 #endif /* ti_drivers_cryptoutils_ecc_ECCInitLPF3SW__include */ 76