1 /*	$OpenBSD: sm3_locl.h,v 1.1 2018/11/11 06:53:31 tb Exp $	*/
2 /*
3  * Copyright (c) 2018, Ribose Inc
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #include <string.h>
19 
20 #include <openssl/opensslconf.h>
21 
22 #define DATA_ORDER_IS_BIG_ENDIAN
23 
24 #define HASH_LONG		SM3_WORD
25 #define HASH_CTX		SM3_CTX
26 #define HASH_CBLOCK		SM3_CBLOCK
27 #define HASH_UPDATE		SM3_Update
28 #define HASH_TRANSFORM		SM3_Transform
29 #define HASH_FINAL		SM3_Final
30 #define HASH_MAKE_STRING(c, s) do {		\
31 	unsigned long ll;			\
32 	ll = (c)->A; HOST_l2c(ll, (s));		\
33 	ll = (c)->B; HOST_l2c(ll, (s));		\
34 	ll = (c)->C; HOST_l2c(ll, (s));		\
35 	ll = (c)->D; HOST_l2c(ll, (s));		\
36 	ll = (c)->E; HOST_l2c(ll, (s));		\
37 	ll = (c)->F; HOST_l2c(ll, (s));		\
38 	ll = (c)->G; HOST_l2c(ll, (s));		\
39 	ll = (c)->H; HOST_l2c(ll, (s));		\
40 } while (0)
41 #define HASH_BLOCK_DATA_ORDER   SM3_block_data_order
42 
43 void SM3_block_data_order(SM3_CTX *c, const void *p, size_t num);
44 void SM3_transform(SM3_CTX *c, const unsigned char *data);
45 
46 #include "md32_common.h"
47 
48 #define P0(X) (X ^ ROTATE(X, 9) ^ ROTATE(X, 17))
49 #define P1(X) (X ^ ROTATE(X, 15) ^ ROTATE(X, 23))
50 
51 #define FF0(X, Y, Z) (X ^ Y ^ Z)
52 #define GG0(X, Y, Z) (X ^ Y ^ Z)
53 
54 #define FF1(X, Y, Z) ((X & Y) | ((X | Y) & Z))
55 #define GG1(X, Y, Z) ((Z ^ (X & (Y ^ Z))))
56 
57 #define EXPAND(W0, W7, W13, W3, W10) \
58 	(P1(W0 ^ W7 ^ ROTATE(W13, 15)) ^ ROTATE(W3, 7) ^ W10)
59 
60 #define ROUND(A, B, C, D, E, F, G, H, TJ, Wi, Wj, FF, GG)	do {	\
61 	const SM3_WORD A12 = ROTATE(A, 12);				\
62 	const SM3_WORD A12_SM = A12 + E + TJ;				\
63 	const SM3_WORD SS1 = ROTATE(A12_SM, 7);				\
64 	const SM3_WORD TT1 = FF(A, B, C) + D + (SS1 ^ A12) + (Wj);	\
65 	const SM3_WORD TT2 = GG(E, F, G) + H + SS1 + Wi;		\
66 	B = ROTATE(B, 9);						\
67 	D = TT1;							\
68 	F = ROTATE(F, 19);						\
69 	H = P0(TT2);							\
70 } while(0)
71 
72 #define R1(A, B, C, D, E, F, G, H, TJ, Wi, Wj) \
73 	ROUND(A, B, C, D, E, F, G, H, TJ, Wi, Wj, FF0, GG0)
74 
75 #define R2(A, B, C, D, E, F, G, H, TJ, Wi, Wj) \
76 	ROUND(A, B, C, D, E, F, G, H, TJ, Wi, Wj, FF1, GG1)
77 
78 #define SM3_A 0x7380166fUL
79 #define SM3_B 0x4914b2b9UL
80 #define SM3_C 0x172442d7UL
81 #define SM3_D 0xda8a0600UL
82 #define SM3_E 0xa96f30bcUL
83 #define SM3_F 0x163138aaUL
84 #define SM3_G 0xe38dee4dUL
85 #define SM3_H 0xb0fb0e4eUL
86