1 /* 2 * Copyright 2017-2022 The OpenSSL Project Authors. All Rights Reserved. 3 * Copyright 2017 Ribose Inc. All Rights Reserved. 4 * Ported from Ribose contributions from Botan. 5 * 6 * Licensed under the Apache License 2.0 (the "License"). You may not use 7 * this file except in compliance with the License. You can obtain a copy 8 * in the file LICENSE in the source distribution or at 9 * https://www.openssl.org/source/license.html 10 */ 11 12 #include <string.h> 13 #include "internal/sm3.h" 14 15 #define DATA_ORDER_IS_BIG_ENDIAN 16 17 #define HASH_LONG SM3_WORD 18 #define HASH_CTX SM3_CTX 19 #define HASH_CBLOCK SM3_CBLOCK 20 #define HASH_UPDATE ossl_sm3_update 21 #define HASH_TRANSFORM ossl_sm3_transform 22 #define HASH_FINAL ossl_sm3_final 23 #define HASH_MAKE_STRING(c, s) \ 24 do { \ 25 unsigned long ll; \ 26 ll=(c)->A; (void)HOST_l2c(ll, (s)); \ 27 ll=(c)->B; (void)HOST_l2c(ll, (s)); \ 28 ll=(c)->C; (void)HOST_l2c(ll, (s)); \ 29 ll=(c)->D; (void)HOST_l2c(ll, (s)); \ 30 ll=(c)->E; (void)HOST_l2c(ll, (s)); \ 31 ll=(c)->F; (void)HOST_l2c(ll, (s)); \ 32 ll=(c)->G; (void)HOST_l2c(ll, (s)); \ 33 ll=(c)->H; (void)HOST_l2c(ll, (s)); \ 34 } while (0) 35 36 #if defined(OPENSSL_SM3_ASM) 37 # if defined(__aarch64__) 38 # include "crypto/arm_arch.h" 39 # define HWSM3_CAPABLE (OPENSSL_armcap_P & ARMV8_SM3) 40 void ossl_hwsm3_block_data_order(SM3_CTX *c, const void *p, size_t num); 41 # endif 42 #endif 43 44 #if defined(HWSM3_CAPABLE) 45 # define HASH_BLOCK_DATA_ORDER (HWSM3_CAPABLE ? ossl_hwsm3_block_data_order \ 46 : ossl_sm3_block_data_order) 47 #else 48 # define HASH_BLOCK_DATA_ORDER ossl_sm3_block_data_order 49 #endif 50 51 void ossl_sm3_block_data_order(SM3_CTX *c, const void *p, size_t num); 52 void ossl_sm3_transform(SM3_CTX *c, const unsigned char *data); 53 54 #include "crypto/md32_common.h" 55 56 #ifndef PEDANTIC 57 # if defined(__GNUC__) && __GNUC__>=2 && \ 58 !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) 59 # if defined(__riscv_zksh) 60 # define P0(x) ({ MD32_REG_T ret; \ 61 asm ("sm3p0 %0, %1" \ 62 : "=r"(ret) \ 63 : "r"(x)); ret; }) 64 # define P1(x) ({ MD32_REG_T ret; \ 65 asm ("sm3p1 %0, %1" \ 66 : "=r"(ret) \ 67 : "r"(x)); ret; }) 68 # endif 69 # endif 70 #endif 71 72 #ifndef P0 73 # define P0(X) (X ^ ROTATE(X, 9) ^ ROTATE(X, 17)) 74 #endif 75 #ifndef P1 76 # define P1(X) (X ^ ROTATE(X, 15) ^ ROTATE(X, 23)) 77 #endif 78 79 #define FF0(X,Y,Z) (X ^ Y ^ Z) 80 #define GG0(X,Y,Z) (X ^ Y ^ Z) 81 82 #define FF1(X,Y,Z) ((X & Y) | ((X | Y) & Z)) 83 #define GG1(X,Y,Z) ((Z ^ (X & (Y ^ Z)))) 84 85 #define EXPAND(W0,W7,W13,W3,W10) \ 86 (P1(W0 ^ W7 ^ ROTATE(W13, 15)) ^ ROTATE(W3, 7) ^ W10) 87 88 #define RND(A, B, C, D, E, F, G, H, TJ, Wi, Wj, FF, GG) \ 89 do { \ 90 const SM3_WORD A12 = ROTATE(A, 12); \ 91 const SM3_WORD A12_SM = A12 + E + TJ; \ 92 const SM3_WORD SS1 = ROTATE(A12_SM, 7); \ 93 const SM3_WORD TT1 = FF(A, B, C) + D + (SS1 ^ A12) + (Wj); \ 94 const SM3_WORD TT2 = GG(E, F, G) + H + SS1 + Wi; \ 95 B = ROTATE(B, 9); \ 96 D = TT1; \ 97 F = ROTATE(F, 19); \ 98 H = P0(TT2); \ 99 } while(0) 100 101 #define R1(A,B,C,D,E,F,G,H,TJ,Wi,Wj) \ 102 RND(A,B,C,D,E,F,G,H,TJ,Wi,Wj,FF0,GG0) 103 104 #define R2(A,B,C,D,E,F,G,H,TJ,Wi,Wj) \ 105 RND(A,B,C,D,E,F,G,H,TJ,Wi,Wj,FF1,GG1) 106 107 #define SM3_A 0x7380166fUL 108 #define SM3_B 0x4914b2b9UL 109 #define SM3_C 0x172442d7UL 110 #define SM3_D 0xda8a0600UL 111 #define SM3_E 0xa96f30bcUL 112 #define SM3_F 0x163138aaUL 113 #define SM3_G 0xe38dee4dUL 114 #define SM3_H 0xb0fb0e4eUL 115