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 BN_MONTBIN_H 17 #define BN_MONTBIN_H 18 19 #include "hitls_build.h" 20 #ifdef HITLS_CRYPTO_BN 21 22 #include <stdint.h> 23 #include "crypt_bn.h" 24 25 #ifdef __cplusplus 26 extern "c" { 27 #endif 28 29 /* r = reduce(r * r) mod mont */ 30 int32_t MontSqrBin(BN_UINT *r, BN_Mont *mont, BN_Optimizer *opt, bool consttime); 31 32 /* r = reduce(a * b) mod mont */ 33 int32_t MontMulBin(BN_UINT *r, const BN_UINT *a, const BN_UINT *b, BN_Mont *mont, 34 BN_Optimizer *opt, bool consttime); 35 36 /* r = reduce(r * montRR) mod mont */ 37 int32_t MontEncBin(BN_UINT *r, BN_Mont *mont, BN_Optimizer *opt, bool consttime); 38 39 /* r = reduce(x * 1) mod m = (x * R') mod m */ 40 void Reduce(BN_UINT *r, BN_UINT *x, const BN_UINT *one, const BN_UINT *m, uint32_t mSize, BN_UINT m0); 41 42 #ifdef __cplusplus 43 } 44 #endif 45 46 #endif /* HITLS_CRYPTO_BN */ 47 48 #endif