1 /*
2 * Copyright 2017-2021 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 <openssl/e_os2.h>
13 #include "sm3_local.h"
14
ossl_sm3_init(SM3_CTX * c)15 int ossl_sm3_init(SM3_CTX *c)
16 {
17 memset(c, 0, sizeof(*c));
18 c->A = SM3_A;
19 c->B = SM3_B;
20 c->C = SM3_C;
21 c->D = SM3_D;
22 c->E = SM3_E;
23 c->F = SM3_F;
24 c->G = SM3_G;
25 c->H = SM3_H;
26 return 1;
27 }
28
ossl_sm3_block_data_order(SM3_CTX * ctx,const void * p,size_t num)29 void ossl_sm3_block_data_order(SM3_CTX *ctx, const void *p, size_t num)
30 {
31 const unsigned char *data = p;
32 register unsigned MD32_REG_T A, B, C, D, E, F, G, H;
33
34 unsigned MD32_REG_T W00, W01, W02, W03, W04, W05, W06, W07,
35 W08, W09, W10, W11, W12, W13, W14, W15;
36
37 for (; num--;) {
38
39 A = ctx->A;
40 B = ctx->B;
41 C = ctx->C;
42 D = ctx->D;
43 E = ctx->E;
44 F = ctx->F;
45 G = ctx->G;
46 H = ctx->H;
47
48 /*
49 * We have to load all message bytes immediately since SM3 reads
50 * them slightly out of order.
51 */
52 (void)HOST_c2l(data, W00);
53 (void)HOST_c2l(data, W01);
54 (void)HOST_c2l(data, W02);
55 (void)HOST_c2l(data, W03);
56 (void)HOST_c2l(data, W04);
57 (void)HOST_c2l(data, W05);
58 (void)HOST_c2l(data, W06);
59 (void)HOST_c2l(data, W07);
60 (void)HOST_c2l(data, W08);
61 (void)HOST_c2l(data, W09);
62 (void)HOST_c2l(data, W10);
63 (void)HOST_c2l(data, W11);
64 (void)HOST_c2l(data, W12);
65 (void)HOST_c2l(data, W13);
66 (void)HOST_c2l(data, W14);
67 (void)HOST_c2l(data, W15);
68
69 R1(A, B, C, D, E, F, G, H, 0x79CC4519, W00, W00 ^ W04);
70 W00 = EXPAND(W00, W07, W13, W03, W10);
71 R1(D, A, B, C, H, E, F, G, 0xF3988A32, W01, W01 ^ W05);
72 W01 = EXPAND(W01, W08, W14, W04, W11);
73 R1(C, D, A, B, G, H, E, F, 0xE7311465, W02, W02 ^ W06);
74 W02 = EXPAND(W02, W09, W15, W05, W12);
75 R1(B, C, D, A, F, G, H, E, 0xCE6228CB, W03, W03 ^ W07);
76 W03 = EXPAND(W03, W10, W00, W06, W13);
77 R1(A, B, C, D, E, F, G, H, 0x9CC45197, W04, W04 ^ W08);
78 W04 = EXPAND(W04, W11, W01, W07, W14);
79 R1(D, A, B, C, H, E, F, G, 0x3988A32F, W05, W05 ^ W09);
80 W05 = EXPAND(W05, W12, W02, W08, W15);
81 R1(C, D, A, B, G, H, E, F, 0x7311465E, W06, W06 ^ W10);
82 W06 = EXPAND(W06, W13, W03, W09, W00);
83 R1(B, C, D, A, F, G, H, E, 0xE6228CBC, W07, W07 ^ W11);
84 W07 = EXPAND(W07, W14, W04, W10, W01);
85 R1(A, B, C, D, E, F, G, H, 0xCC451979, W08, W08 ^ W12);
86 W08 = EXPAND(W08, W15, W05, W11, W02);
87 R1(D, A, B, C, H, E, F, G, 0x988A32F3, W09, W09 ^ W13);
88 W09 = EXPAND(W09, W00, W06, W12, W03);
89 R1(C, D, A, B, G, H, E, F, 0x311465E7, W10, W10 ^ W14);
90 W10 = EXPAND(W10, W01, W07, W13, W04);
91 R1(B, C, D, A, F, G, H, E, 0x6228CBCE, W11, W11 ^ W15);
92 W11 = EXPAND(W11, W02, W08, W14, W05);
93 R1(A, B, C, D, E, F, G, H, 0xC451979C, W12, W12 ^ W00);
94 W12 = EXPAND(W12, W03, W09, W15, W06);
95 R1(D, A, B, C, H, E, F, G, 0x88A32F39, W13, W13 ^ W01);
96 W13 = EXPAND(W13, W04, W10, W00, W07);
97 R1(C, D, A, B, G, H, E, F, 0x11465E73, W14, W14 ^ W02);
98 W14 = EXPAND(W14, W05, W11, W01, W08);
99 R1(B, C, D, A, F, G, H, E, 0x228CBCE6, W15, W15 ^ W03);
100 W15 = EXPAND(W15, W06, W12, W02, W09);
101 R2(A, B, C, D, E, F, G, H, 0x9D8A7A87, W00, W00 ^ W04);
102 W00 = EXPAND(W00, W07, W13, W03, W10);
103 R2(D, A, B, C, H, E, F, G, 0x3B14F50F, W01, W01 ^ W05);
104 W01 = EXPAND(W01, W08, W14, W04, W11);
105 R2(C, D, A, B, G, H, E, F, 0x7629EA1E, W02, W02 ^ W06);
106 W02 = EXPAND(W02, W09, W15, W05, W12);
107 R2(B, C, D, A, F, G, H, E, 0xEC53D43C, W03, W03 ^ W07);
108 W03 = EXPAND(W03, W10, W00, W06, W13);
109 R2(A, B, C, D, E, F, G, H, 0xD8A7A879, W04, W04 ^ W08);
110 W04 = EXPAND(W04, W11, W01, W07, W14);
111 R2(D, A, B, C, H, E, F, G, 0xB14F50F3, W05, W05 ^ W09);
112 W05 = EXPAND(W05, W12, W02, W08, W15);
113 R2(C, D, A, B, G, H, E, F, 0x629EA1E7, W06, W06 ^ W10);
114 W06 = EXPAND(W06, W13, W03, W09, W00);
115 R2(B, C, D, A, F, G, H, E, 0xC53D43CE, W07, W07 ^ W11);
116 W07 = EXPAND(W07, W14, W04, W10, W01);
117 R2(A, B, C, D, E, F, G, H, 0x8A7A879D, W08, W08 ^ W12);
118 W08 = EXPAND(W08, W15, W05, W11, W02);
119 R2(D, A, B, C, H, E, F, G, 0x14F50F3B, W09, W09 ^ W13);
120 W09 = EXPAND(W09, W00, W06, W12, W03);
121 R2(C, D, A, B, G, H, E, F, 0x29EA1E76, W10, W10 ^ W14);
122 W10 = EXPAND(W10, W01, W07, W13, W04);
123 R2(B, C, D, A, F, G, H, E, 0x53D43CEC, W11, W11 ^ W15);
124 W11 = EXPAND(W11, W02, W08, W14, W05);
125 R2(A, B, C, D, E, F, G, H, 0xA7A879D8, W12, W12 ^ W00);
126 W12 = EXPAND(W12, W03, W09, W15, W06);
127 R2(D, A, B, C, H, E, F, G, 0x4F50F3B1, W13, W13 ^ W01);
128 W13 = EXPAND(W13, W04, W10, W00, W07);
129 R2(C, D, A, B, G, H, E, F, 0x9EA1E762, W14, W14 ^ W02);
130 W14 = EXPAND(W14, W05, W11, W01, W08);
131 R2(B, C, D, A, F, G, H, E, 0x3D43CEC5, W15, W15 ^ W03);
132 W15 = EXPAND(W15, W06, W12, W02, W09);
133 R2(A, B, C, D, E, F, G, H, 0x7A879D8A, W00, W00 ^ W04);
134 W00 = EXPAND(W00, W07, W13, W03, W10);
135 R2(D, A, B, C, H, E, F, G, 0xF50F3B14, W01, W01 ^ W05);
136 W01 = EXPAND(W01, W08, W14, W04, W11);
137 R2(C, D, A, B, G, H, E, F, 0xEA1E7629, W02, W02 ^ W06);
138 W02 = EXPAND(W02, W09, W15, W05, W12);
139 R2(B, C, D, A, F, G, H, E, 0xD43CEC53, W03, W03 ^ W07);
140 W03 = EXPAND(W03, W10, W00, W06, W13);
141 R2(A, B, C, D, E, F, G, H, 0xA879D8A7, W04, W04 ^ W08);
142 W04 = EXPAND(W04, W11, W01, W07, W14);
143 R2(D, A, B, C, H, E, F, G, 0x50F3B14F, W05, W05 ^ W09);
144 W05 = EXPAND(W05, W12, W02, W08, W15);
145 R2(C, D, A, B, G, H, E, F, 0xA1E7629E, W06, W06 ^ W10);
146 W06 = EXPAND(W06, W13, W03, W09, W00);
147 R2(B, C, D, A, F, G, H, E, 0x43CEC53D, W07, W07 ^ W11);
148 W07 = EXPAND(W07, W14, W04, W10, W01);
149 R2(A, B, C, D, E, F, G, H, 0x879D8A7A, W08, W08 ^ W12);
150 W08 = EXPAND(W08, W15, W05, W11, W02);
151 R2(D, A, B, C, H, E, F, G, 0x0F3B14F5, W09, W09 ^ W13);
152 W09 = EXPAND(W09, W00, W06, W12, W03);
153 R2(C, D, A, B, G, H, E, F, 0x1E7629EA, W10, W10 ^ W14);
154 W10 = EXPAND(W10, W01, W07, W13, W04);
155 R2(B, C, D, A, F, G, H, E, 0x3CEC53D4, W11, W11 ^ W15);
156 W11 = EXPAND(W11, W02, W08, W14, W05);
157 R2(A, B, C, D, E, F, G, H, 0x79D8A7A8, W12, W12 ^ W00);
158 W12 = EXPAND(W12, W03, W09, W15, W06);
159 R2(D, A, B, C, H, E, F, G, 0xF3B14F50, W13, W13 ^ W01);
160 W13 = EXPAND(W13, W04, W10, W00, W07);
161 R2(C, D, A, B, G, H, E, F, 0xE7629EA1, W14, W14 ^ W02);
162 W14 = EXPAND(W14, W05, W11, W01, W08);
163 R2(B, C, D, A, F, G, H, E, 0xCEC53D43, W15, W15 ^ W03);
164 W15 = EXPAND(W15, W06, W12, W02, W09);
165 R2(A, B, C, D, E, F, G, H, 0x9D8A7A87, W00, W00 ^ W04);
166 W00 = EXPAND(W00, W07, W13, W03, W10);
167 R2(D, A, B, C, H, E, F, G, 0x3B14F50F, W01, W01 ^ W05);
168 W01 = EXPAND(W01, W08, W14, W04, W11);
169 R2(C, D, A, B, G, H, E, F, 0x7629EA1E, W02, W02 ^ W06);
170 W02 = EXPAND(W02, W09, W15, W05, W12);
171 R2(B, C, D, A, F, G, H, E, 0xEC53D43C, W03, W03 ^ W07);
172 W03 = EXPAND(W03, W10, W00, W06, W13);
173 R2(A, B, C, D, E, F, G, H, 0xD8A7A879, W04, W04 ^ W08);
174 R2(D, A, B, C, H, E, F, G, 0xB14F50F3, W05, W05 ^ W09);
175 R2(C, D, A, B, G, H, E, F, 0x629EA1E7, W06, W06 ^ W10);
176 R2(B, C, D, A, F, G, H, E, 0xC53D43CE, W07, W07 ^ W11);
177 R2(A, B, C, D, E, F, G, H, 0x8A7A879D, W08, W08 ^ W12);
178 R2(D, A, B, C, H, E, F, G, 0x14F50F3B, W09, W09 ^ W13);
179 R2(C, D, A, B, G, H, E, F, 0x29EA1E76, W10, W10 ^ W14);
180 R2(B, C, D, A, F, G, H, E, 0x53D43CEC, W11, W11 ^ W15);
181 R2(A, B, C, D, E, F, G, H, 0xA7A879D8, W12, W12 ^ W00);
182 R2(D, A, B, C, H, E, F, G, 0x4F50F3B1, W13, W13 ^ W01);
183 R2(C, D, A, B, G, H, E, F, 0x9EA1E762, W14, W14 ^ W02);
184 R2(B, C, D, A, F, G, H, E, 0x3D43CEC5, W15, W15 ^ W03);
185
186 ctx->A ^= A;
187 ctx->B ^= B;
188 ctx->C ^= C;
189 ctx->D ^= D;
190 ctx->E ^= E;
191 ctx->F ^= F;
192 ctx->G ^= G;
193 ctx->H ^= H;
194 }
195 }
196