xref: /openssl/crypto/sm3/sm3_local.h (revision eea820f3)
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