xref: /openssl/crypto/sm3/sm3.c (revision 3c2bdd7d)
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