1 /* 2 * This file is part of the openHiTLS project. 3 * 4 * openHiTLS is licensed under the Mulan PSL v2. 5 * You can use this software according to the terms and conditions of the Mulan PSL v2. 6 * You may obtain a copy of Mulan PSL v2 at: 7 * 8 * http://license.coscl.org.cn/MulanPSL2 9 * 10 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, 11 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, 12 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. 13 * See the Mulan PSL v2 for more details. 14 */ 15 16 #ifndef ECP_NISTP224_H 17 #define ECP_NISTP224_H 18 19 #include "hitls_build.h" 20 #if defined(HITLS_CRYPTO_CURVE_NISTP224) && defined(HITLS_CRYPTO_NIST_USE_ACCEL) 21 22 #include "ecc_local.h" 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 /** 29 * @brief Convert the point information pt to the affine coordinate system and refresh the data to r. 30 * 31 * @param para [IN] Curve parameters 32 * @param r [OUT] Output point information 33 * @param pt [IN] Input point information 34 * 35 * @retval CRYPT_SUCCESS succeeded 36 * @retval For details about other errors, see crypt_errno.h 37 */ 38 int32_t ECP224_Point2Affine(const ECC_Para *para, ECC_Point *r, const ECC_Point *pt); 39 40 /** 41 * @brief Calculate r = k1 * G + k2 * pt 42 * 43 * @param para [IN] Curve parameters 44 * @param r [OUT] Output point information 45 * @param k1 [IN] Scalar 1, with a maximum of 224 bits 46 * @param k2 [IN] Scalar 2, with a maximum of 224 bits 47 * @param pt [IN] Point data 48 * 49 * @retval CRYPT_SUCCESS succeeded 50 * @retval For details about other errors, see crypt_errno.h 51 */ 52 int32_t ECP224_PointMulAdd( 53 ECC_Para *para, ECC_Point *r, const BN_BigNum *k1, const BN_BigNum *k2, const ECC_Point *pt); 54 55 /** 56 * @brief If pt != NULL, calculate r = k * pt; otherwise, calculate r = k * G 57 * 58 * @param para [IN] Curve parameter information 59 * @param r [OUT] Output point information 60 * @param k [IN] scalar with a maximum of 224 bits. 61 * @param pt [IN] Point data, which can be set to NULL. 62 * 63 * @retval CRYPT_SUCCESS set successfully 64 * @retval For details about other errors, see crypt_errno.h 65 */ 66 int32_t ECP224_PointMul(ECC_Para *para, ECC_Point *r, const BN_BigNum *k, const ECC_Point *pt); 67 68 #ifdef __cplusplus 69 } 70 #endif 71 72 #endif /* defined(HITLS_CRYPTO_CURVE_NISTP224) && defined(HITLS_CRYPTO_NIST_USE_ACCEL) */ 73 74 #endif 75