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 ASM_ECP_NISTP256_H 17 #define ASM_ECP_NISTP256_H 18 19 #include "hitls_build.h" 20 21 #ifdef __cplusplus 22 extern "C" { 23 #endif 24 25 #define P256_BYTES 32 26 #define P256_SIZE (P256_BYTES / sizeof(BN_UINT)) 27 28 typedef struct { 29 BN_UINT value[P256_SIZE]; 30 } Coord; // Point Coordinates 31 32 typedef struct p256_point { 33 Coord x; 34 Coord y; 35 Coord z; 36 } P256_Point; 37 38 typedef struct p256_pointaffine { 39 Coord x; 40 Coord y; 41 } P256_AffinePoint; 42 43 #if defined(HITLS_CRYPTO_CURVE_NISTP256_ASM) && defined(HITLS_CRYPTO_NIST_ECC_ACCELERATE) 44 45 typedef P256_AffinePoint ECP256_TableRow[64]; 46 47 const ECP256_TableRow *ECP256_GetPreCompTable(void); 48 49 void ECP256_FromMont(Coord *r, const Coord *a); 50 51 void ECP256_Mul(Coord *r, const Coord *a, const Coord *b); 52 53 void ECP256_Sqr(Coord *r, const Coord *a); 54 55 void ECP256_Neg(Coord *r, const Coord *a); 56 57 void ECP256_OrdMul(Coord *r, const Coord *a, const Coord *b); 58 59 void ECP256_OrdSqr(Coord *r, const Coord *a, int32_t repeat); 60 61 void ECP256_PointDouble(P256_Point *r, const P256_Point *a); 62 63 void ECP256_PointAdd(P256_Point *r, const P256_Point *a, const P256_Point *b); 64 65 void ECP256_AddAffine(P256_Point *r, const P256_Point *a, const P256_AffinePoint *b); 66 67 void ECP256_Scatterw5(P256_Point *table, const P256_Point *point, uint32_t index); 68 69 void ECP256_Gatherw5(P256_Point *point, const P256_Point *table, uint32_t index); 70 71 void ECP256_Gatherw7(P256_AffinePoint *point, const P256_AffinePoint *table, uint32_t index); 72 73 #endif /* HITLS_CRYPTO_CURVE_NISTP256_ASM && HITLS_CRYPTO_NIST_ECC_ACCELERATE */ 74 75 #ifdef __cplusplus 76 } 77 #endif 78 79 80 #endif