Coverage Report

Created: 2026-06-15 06:21

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/qpdf/libqpdf/sha2.c
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Source
1
/* clang-format off */
2
/* $Id: sha2.c 227 2010-06-16 17:28:38Z tp $ */
3
/*
4
 * SHA-224 / SHA-256 implementation.
5
 *
6
 * ==========================(LICENSE BEGIN)============================
7
 *
8
 * Copyright (c) 2007-2010  Projet RNRT SAPHIR
9
 * 
10
 * Permission is hereby granted, free of charge, to any person obtaining
11
 * a copy of this software and associated documentation files (the
12
 * "Software"), to deal in the Software without restriction, including
13
 * without limitation the rights to use, copy, modify, merge, publish,
14
 * distribute, sublicense, and/or sell copies of the Software, and to
15
 * permit persons to whom the Software is furnished to do so, subject to
16
 * the following conditions:
17
 * 
18
 * The above copyright notice and this permission notice shall be
19
 * included in all copies or substantial portions of the Software.
20
 * 
21
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
24
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
25
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
26
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
27
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28
 *
29
 * ===========================(LICENSE END)=============================
30
 *
31
 * @author   Thomas Pornin <thomas.pornin@cryptolog.com>
32
 */
33
34
#include <stddef.h>
35
#include <string.h>
36
37
#include "sph/sph_sha2.h"
38
39
#if SPH_SMALL_FOOTPRINT && !defined SPH_SMALL_FOOTPRINT_SHA2
40
#define SPH_SMALL_FOOTPRINT_SHA2   1
41
#endif
42
43
#define CH(X, Y, Z)    ((((Y) ^ (Z)) & (X)) ^ (Z))
44
#define MAJ(X, Y, Z)   (((Y) & (Z)) | (((Y) | (Z)) & (X)))
45
46
#define ROTR    SPH_ROTR32
47
48
#define BSG2_0(x)      (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
49
#define BSG2_1(x)      (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
50
#define SSG2_0(x)      (ROTR(x, 7) ^ ROTR(x, 18) ^ SPH_T32((x) >> 3))
51
#define SSG2_1(x)      (ROTR(x, 17) ^ ROTR(x, 19) ^ SPH_T32((x) >> 10))
52
53
static const sph_u32 H224[8] = {
54
        SPH_C32(0xC1059ED8), SPH_C32(0x367CD507), SPH_C32(0x3070DD17),
55
        SPH_C32(0xF70E5939), SPH_C32(0xFFC00B31), SPH_C32(0x68581511),
56
        SPH_C32(0x64F98FA7), SPH_C32(0xBEFA4FA4)
57
};
58
59
static const sph_u32 H256[8] = {
60
        SPH_C32(0x6A09E667), SPH_C32(0xBB67AE85), SPH_C32(0x3C6EF372),
61
        SPH_C32(0xA54FF53A), SPH_C32(0x510E527F), SPH_C32(0x9B05688C),
62
        SPH_C32(0x1F83D9AB), SPH_C32(0x5BE0CD19)
63
};
64
65
/*
66
 * The SHA2_ROUND_BODY defines the body for a SHA-224 / SHA-256
67
 * compression function implementation. The "in" parameter should
68
 * evaluate, when applied to a numerical input parameter from 0 to 15,
69
 * to an expression which yields the corresponding input block. The "r"
70
 * parameter should evaluate to an array or pointer expression
71
 * designating the array of 8 words which contains the input and output
72
 * of the compression function.
73
 */
74
75
#if SPH_SMALL_FOOTPRINT_SHA2
76
77
static const sph_u32 K[64] = {
78
        SPH_C32(0x428A2F98), SPH_C32(0x71374491),
79
        SPH_C32(0xB5C0FBCF), SPH_C32(0xE9B5DBA5),
80
        SPH_C32(0x3956C25B), SPH_C32(0x59F111F1),
81
        SPH_C32(0x923F82A4), SPH_C32(0xAB1C5ED5),
82
        SPH_C32(0xD807AA98), SPH_C32(0x12835B01),
83
        SPH_C32(0x243185BE), SPH_C32(0x550C7DC3),
84
        SPH_C32(0x72BE5D74), SPH_C32(0x80DEB1FE),
85
        SPH_C32(0x9BDC06A7), SPH_C32(0xC19BF174),
86
        SPH_C32(0xE49B69C1), SPH_C32(0xEFBE4786),
87
        SPH_C32(0x0FC19DC6), SPH_C32(0x240CA1CC),
88
        SPH_C32(0x2DE92C6F), SPH_C32(0x4A7484AA),
89
        SPH_C32(0x5CB0A9DC), SPH_C32(0x76F988DA),
90
        SPH_C32(0x983E5152), SPH_C32(0xA831C66D),
91
        SPH_C32(0xB00327C8), SPH_C32(0xBF597FC7),
92
        SPH_C32(0xC6E00BF3), SPH_C32(0xD5A79147),
93
        SPH_C32(0x06CA6351), SPH_C32(0x14292967),
94
        SPH_C32(0x27B70A85), SPH_C32(0x2E1B2138),
95
        SPH_C32(0x4D2C6DFC), SPH_C32(0x53380D13),
96
        SPH_C32(0x650A7354), SPH_C32(0x766A0ABB),
97
        SPH_C32(0x81C2C92E), SPH_C32(0x92722C85),
98
        SPH_C32(0xA2BFE8A1), SPH_C32(0xA81A664B),
99
        SPH_C32(0xC24B8B70), SPH_C32(0xC76C51A3),
100
        SPH_C32(0xD192E819), SPH_C32(0xD6990624),
101
        SPH_C32(0xF40E3585), SPH_C32(0x106AA070),
102
        SPH_C32(0x19A4C116), SPH_C32(0x1E376C08),
103
        SPH_C32(0x2748774C), SPH_C32(0x34B0BCB5),
104
        SPH_C32(0x391C0CB3), SPH_C32(0x4ED8AA4A),
105
        SPH_C32(0x5B9CCA4F), SPH_C32(0x682E6FF3),
106
        SPH_C32(0x748F82EE), SPH_C32(0x78A5636F),
107
        SPH_C32(0x84C87814), SPH_C32(0x8CC70208),
108
        SPH_C32(0x90BEFFFA), SPH_C32(0xA4506CEB),
109
        SPH_C32(0xBEF9A3F7), SPH_C32(0xC67178F2)
110
};
111
112
#define SHA2_MEXP1(in, pc)   do { \
113
                W[pc] = in(pc); \
114
        } while (0)
115
116
#define SHA2_MEXP2(in, pc)   do { \
117
                W[(pc) & 0x0F] = SPH_T32(SSG2_1(W[((pc) - 2) & 0x0F]) \
118
                        + W[((pc) - 7) & 0x0F] \
119
                        + SSG2_0(W[((pc) - 15) & 0x0F]) + W[(pc) & 0x0F]); \
120
        } while (0)
121
122
#define SHA2_STEPn(n, a, b, c, d, e, f, g, h, in, pc)   do { \
123
                sph_u32 t1, t2; \
124
                SHA2_MEXP ## n(in, pc); \
125
                t1 = SPH_T32(h + BSG2_1(e) + CH(e, f, g) \
126
                        + K[pcount + (pc)] + W[(pc) & 0x0F]); \
127
                t2 = SPH_T32(BSG2_0(a) + MAJ(a, b, c)); \
128
                d = SPH_T32(d + t1); \
129
                h = SPH_T32(t1 + t2); \
130
        } while (0)
131
132
#define SHA2_STEP1(a, b, c, d, e, f, g, h, in, pc) \
133
        SHA2_STEPn(1, a, b, c, d, e, f, g, h, in, pc)
134
#define SHA2_STEP2(a, b, c, d, e, f, g, h, in, pc) \
135
        SHA2_STEPn(2, a, b, c, d, e, f, g, h, in, pc)
136
137
#define SHA2_ROUND_BODY(in, r)   do { \
138
                sph_u32 A, B, C, D, E, F, G, H; \
139
                sph_u32 W[16]; \
140
                unsigned pcount; \
141
 \
142
                A = (r)[0]; \
143
                B = (r)[1]; \
144
                C = (r)[2]; \
145
                D = (r)[3]; \
146
                E = (r)[4]; \
147
                F = (r)[5]; \
148
                G = (r)[6]; \
149
                H = (r)[7]; \
150
                pcount = 0; \
151
                SHA2_STEP1(A, B, C, D, E, F, G, H, in,  0); \
152
                SHA2_STEP1(H, A, B, C, D, E, F, G, in,  1); \
153
                SHA2_STEP1(G, H, A, B, C, D, E, F, in,  2); \
154
                SHA2_STEP1(F, G, H, A, B, C, D, E, in,  3); \
155
                SHA2_STEP1(E, F, G, H, A, B, C, D, in,  4); \
156
                SHA2_STEP1(D, E, F, G, H, A, B, C, in,  5); \
157
                SHA2_STEP1(C, D, E, F, G, H, A, B, in,  6); \
158
                SHA2_STEP1(B, C, D, E, F, G, H, A, in,  7); \
159
                SHA2_STEP1(A, B, C, D, E, F, G, H, in,  8); \
160
                SHA2_STEP1(H, A, B, C, D, E, F, G, in,  9); \
161
                SHA2_STEP1(G, H, A, B, C, D, E, F, in, 10); \
162
                SHA2_STEP1(F, G, H, A, B, C, D, E, in, 11); \
163
                SHA2_STEP1(E, F, G, H, A, B, C, D, in, 12); \
164
                SHA2_STEP1(D, E, F, G, H, A, B, C, in, 13); \
165
                SHA2_STEP1(C, D, E, F, G, H, A, B, in, 14); \
166
                SHA2_STEP1(B, C, D, E, F, G, H, A, in, 15); \
167
                for (pcount = 16; pcount < 64; pcount += 16) { \
168
                        SHA2_STEP2(A, B, C, D, E, F, G, H, in,  0); \
169
                        SHA2_STEP2(H, A, B, C, D, E, F, G, in,  1); \
170
                        SHA2_STEP2(G, H, A, B, C, D, E, F, in,  2); \
171
                        SHA2_STEP2(F, G, H, A, B, C, D, E, in,  3); \
172
                        SHA2_STEP2(E, F, G, H, A, B, C, D, in,  4); \
173
                        SHA2_STEP2(D, E, F, G, H, A, B, C, in,  5); \
174
                        SHA2_STEP2(C, D, E, F, G, H, A, B, in,  6); \
175
                        SHA2_STEP2(B, C, D, E, F, G, H, A, in,  7); \
176
                        SHA2_STEP2(A, B, C, D, E, F, G, H, in,  8); \
177
                        SHA2_STEP2(H, A, B, C, D, E, F, G, in,  9); \
178
                        SHA2_STEP2(G, H, A, B, C, D, E, F, in, 10); \
179
                        SHA2_STEP2(F, G, H, A, B, C, D, E, in, 11); \
180
                        SHA2_STEP2(E, F, G, H, A, B, C, D, in, 12); \
181
                        SHA2_STEP2(D, E, F, G, H, A, B, C, in, 13); \
182
                        SHA2_STEP2(C, D, E, F, G, H, A, B, in, 14); \
183
                        SHA2_STEP2(B, C, D, E, F, G, H, A, in, 15); \
184
                } \
185
                (r)[0] = SPH_T32((r)[0] + A); \
186
                (r)[1] = SPH_T32((r)[1] + B); \
187
                (r)[2] = SPH_T32((r)[2] + C); \
188
                (r)[3] = SPH_T32((r)[3] + D); \
189
                (r)[4] = SPH_T32((r)[4] + E); \
190
                (r)[5] = SPH_T32((r)[5] + F); \
191
                (r)[6] = SPH_T32((r)[6] + G); \
192
                (r)[7] = SPH_T32((r)[7] + H); \
193
        } while (0)
194
195
#else
196
197
139M
#define SHA2_ROUND_BODY(in, r)   do { \
198
139M
                sph_u32 A, B, C, D, E, F, G, H, T1, T2; \
199
139M
                sph_u32 W00, W01, W02, W03, W04, W05, W06, W07; \
200
139M
                sph_u32 W08, W09, W10, W11, W12, W13, W14, W15; \
201
139M
 \
202
139M
                A = (r)[0]; \
203
139M
                B = (r)[1]; \
204
139M
                C = (r)[2]; \
205
139M
                D = (r)[3]; \
206
139M
                E = (r)[4]; \
207
139M
                F = (r)[5]; \
208
139M
                G = (r)[6]; \
209
139M
                H = (r)[7]; \
210
139M
                W00 = in(0); \
211
139M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
212
139M
                        + SPH_C32(0x428A2F98) + W00); \
213
139M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
214
139M
                D = SPH_T32(D + T1); \
215
139M
                H = SPH_T32(T1 + T2); \
216
139M
                W01 = in(1); \
217
139M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
218
139M
                        + SPH_C32(0x71374491) + W01); \
219
139M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
220
139M
                C = SPH_T32(C + T1); \
221
139M
                G = SPH_T32(T1 + T2); \
222
139M
                W02 = in(2); \
223
139M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
224
139M
                        + SPH_C32(0xB5C0FBCF) + W02); \
225
139M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
226
139M
                B = SPH_T32(B + T1); \
227
139M
                F = SPH_T32(T1 + T2); \
228
139M
                W03 = in(3); \
229
139M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
230
139M
                        + SPH_C32(0xE9B5DBA5) + W03); \
231
139M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
232
139M
                A = SPH_T32(A + T1); \
233
139M
                E = SPH_T32(T1 + T2); \
234
139M
                W04 = in(4); \
235
139M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
236
139M
                        + SPH_C32(0x3956C25B) + W04); \
237
139M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
238
139M
                H = SPH_T32(H + T1); \
239
139M
                D = SPH_T32(T1 + T2); \
240
139M
                W05 = in(5); \
241
139M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
242
139M
                        + SPH_C32(0x59F111F1) + W05); \
243
139M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
244
139M
                G = SPH_T32(G + T1); \
245
139M
                C = SPH_T32(T1 + T2); \
246
139M
                W06 = in(6); \
247
139M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
248
139M
                        + SPH_C32(0x923F82A4) + W06); \
249
139M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
250
139M
                F = SPH_T32(F + T1); \
251
139M
                B = SPH_T32(T1 + T2); \
252
139M
                W07 = in(7); \
253
139M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
254
139M
                        + SPH_C32(0xAB1C5ED5) + W07); \
255
139M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
256
139M
                E = SPH_T32(E + T1); \
257
139M
                A = SPH_T32(T1 + T2); \
258
139M
                W08 = in(8); \
259
139M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
260
139M
                        + SPH_C32(0xD807AA98) + W08); \
261
139M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
262
139M
                D = SPH_T32(D + T1); \
263
139M
                H = SPH_T32(T1 + T2); \
264
139M
                W09 = in(9); \
265
139M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
266
139M
                        + SPH_C32(0x12835B01) + W09); \
267
139M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
268
139M
                C = SPH_T32(C + T1); \
269
139M
                G = SPH_T32(T1 + T2); \
270
139M
                W10 = in(10); \
271
139M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
272
139M
                        + SPH_C32(0x243185BE) + W10); \
273
139M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
274
139M
                B = SPH_T32(B + T1); \
275
139M
                F = SPH_T32(T1 + T2); \
276
139M
                W11 = in(11); \
277
139M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
278
139M
                        + SPH_C32(0x550C7DC3) + W11); \
279
139M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
280
139M
                A = SPH_T32(A + T1); \
281
139M
                E = SPH_T32(T1 + T2); \
282
139M
                W12 = in(12); \
283
139M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
284
139M
                        + SPH_C32(0x72BE5D74) + W12); \
285
139M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
286
139M
                H = SPH_T32(H + T1); \
287
139M
                D = SPH_T32(T1 + T2); \
288
139M
                W13 = in(13); \
289
139M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
290
139M
                        + SPH_C32(0x80DEB1FE) + W13); \
291
139M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
292
139M
                G = SPH_T32(G + T1); \
293
139M
                C = SPH_T32(T1 + T2); \
294
139M
                W14 = in(14); \
295
139M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
296
139M
                        + SPH_C32(0x9BDC06A7) + W14); \
297
139M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
298
139M
                F = SPH_T32(F + T1); \
299
139M
                B = SPH_T32(T1 + T2); \
300
139M
                W15 = in(15); \
301
139M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
302
139M
                        + SPH_C32(0xC19BF174) + W15); \
303
139M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
304
139M
                E = SPH_T32(E + T1); \
305
139M
                A = SPH_T32(T1 + T2); \
306
139M
                W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
307
139M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
308
139M
                        + SPH_C32(0xE49B69C1) + W00); \
309
139M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
310
139M
                D = SPH_T32(D + T1); \
311
139M
                H = SPH_T32(T1 + T2); \
312
139M
                W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
313
139M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
314
139M
                        + SPH_C32(0xEFBE4786) + W01); \
315
139M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
316
139M
                C = SPH_T32(C + T1); \
317
139M
                G = SPH_T32(T1 + T2); \
318
139M
                W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
319
139M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
320
139M
                        + SPH_C32(0x0FC19DC6) + W02); \
321
139M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
322
139M
                B = SPH_T32(B + T1); \
323
139M
                F = SPH_T32(T1 + T2); \
324
139M
                W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
325
139M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
326
139M
                        + SPH_C32(0x240CA1CC) + W03); \
327
139M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
328
139M
                A = SPH_T32(A + T1); \
329
139M
                E = SPH_T32(T1 + T2); \
330
139M
                W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
331
139M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
332
139M
                        + SPH_C32(0x2DE92C6F) + W04); \
333
139M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
334
139M
                H = SPH_T32(H + T1); \
335
139M
                D = SPH_T32(T1 + T2); \
336
139M
                W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
337
139M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
338
139M
                        + SPH_C32(0x4A7484AA) + W05); \
339
139M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
340
139M
                G = SPH_T32(G + T1); \
341
139M
                C = SPH_T32(T1 + T2); \
342
139M
                W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
343
139M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
344
139M
                        + SPH_C32(0x5CB0A9DC) + W06); \
345
139M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
346
139M
                F = SPH_T32(F + T1); \
347
139M
                B = SPH_T32(T1 + T2); \
348
139M
                W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
349
139M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
350
139M
                        + SPH_C32(0x76F988DA) + W07); \
351
139M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
352
139M
                E = SPH_T32(E + T1); \
353
139M
                A = SPH_T32(T1 + T2); \
354
139M
                W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
355
139M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
356
139M
                        + SPH_C32(0x983E5152) + W08); \
357
139M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
358
139M
                D = SPH_T32(D + T1); \
359
139M
                H = SPH_T32(T1 + T2); \
360
139M
                W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
361
139M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
362
139M
                        + SPH_C32(0xA831C66D) + W09); \
363
139M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
364
139M
                C = SPH_T32(C + T1); \
365
139M
                G = SPH_T32(T1 + T2); \
366
139M
                W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
367
139M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
368
139M
                        + SPH_C32(0xB00327C8) + W10); \
369
139M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
370
139M
                B = SPH_T32(B + T1); \
371
139M
                F = SPH_T32(T1 + T2); \
372
139M
                W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
373
139M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
374
139M
                        + SPH_C32(0xBF597FC7) + W11); \
375
139M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
376
139M
                A = SPH_T32(A + T1); \
377
139M
                E = SPH_T32(T1 + T2); \
378
139M
                W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
379
139M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
380
139M
                        + SPH_C32(0xC6E00BF3) + W12); \
381
139M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
382
139M
                H = SPH_T32(H + T1); \
383
139M
                D = SPH_T32(T1 + T2); \
384
139M
                W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
385
139M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
386
139M
                        + SPH_C32(0xD5A79147) + W13); \
387
139M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
388
139M
                G = SPH_T32(G + T1); \
389
139M
                C = SPH_T32(T1 + T2); \
390
139M
                W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
391
139M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
392
139M
                        + SPH_C32(0x06CA6351) + W14); \
393
139M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
394
139M
                F = SPH_T32(F + T1); \
395
139M
                B = SPH_T32(T1 + T2); \
396
139M
                W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
397
139M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
398
139M
                        + SPH_C32(0x14292967) + W15); \
399
139M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
400
139M
                E = SPH_T32(E + T1); \
401
139M
                A = SPH_T32(T1 + T2); \
402
139M
                W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
403
139M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
404
139M
                        + SPH_C32(0x27B70A85) + W00); \
405
139M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
406
139M
                D = SPH_T32(D + T1); \
407
139M
                H = SPH_T32(T1 + T2); \
408
139M
                W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
409
139M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
410
139M
                        + SPH_C32(0x2E1B2138) + W01); \
411
139M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
412
139M
                C = SPH_T32(C + T1); \
413
139M
                G = SPH_T32(T1 + T2); \
414
139M
                W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
415
139M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
416
139M
                        + SPH_C32(0x4D2C6DFC) + W02); \
417
139M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
418
139M
                B = SPH_T32(B + T1); \
419
139M
                F = SPH_T32(T1 + T2); \
420
139M
                W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
421
139M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
422
139M
                        + SPH_C32(0x53380D13) + W03); \
423
139M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
424
139M
                A = SPH_T32(A + T1); \
425
139M
                E = SPH_T32(T1 + T2); \
426
139M
                W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
427
139M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
428
139M
                        + SPH_C32(0x650A7354) + W04); \
429
139M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
430
139M
                H = SPH_T32(H + T1); \
431
139M
                D = SPH_T32(T1 + T2); \
432
139M
                W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
433
139M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
434
139M
                        + SPH_C32(0x766A0ABB) + W05); \
435
139M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
436
139M
                G = SPH_T32(G + T1); \
437
139M
                C = SPH_T32(T1 + T2); \
438
139M
                W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
439
139M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
440
139M
                        + SPH_C32(0x81C2C92E) + W06); \
441
139M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
442
139M
                F = SPH_T32(F + T1); \
443
139M
                B = SPH_T32(T1 + T2); \
444
139M
                W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
445
139M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
446
139M
                        + SPH_C32(0x92722C85) + W07); \
447
139M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
448
139M
                E = SPH_T32(E + T1); \
449
139M
                A = SPH_T32(T1 + T2); \
450
139M
                W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
451
139M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
452
139M
                        + SPH_C32(0xA2BFE8A1) + W08); \
453
139M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
454
139M
                D = SPH_T32(D + T1); \
455
139M
                H = SPH_T32(T1 + T2); \
456
139M
                W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
457
139M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
458
139M
                        + SPH_C32(0xA81A664B) + W09); \
459
139M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
460
139M
                C = SPH_T32(C + T1); \
461
139M
                G = SPH_T32(T1 + T2); \
462
139M
                W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
463
139M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
464
139M
                        + SPH_C32(0xC24B8B70) + W10); \
465
139M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
466
139M
                B = SPH_T32(B + T1); \
467
139M
                F = SPH_T32(T1 + T2); \
468
139M
                W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
469
139M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
470
139M
                        + SPH_C32(0xC76C51A3) + W11); \
471
139M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
472
139M
                A = SPH_T32(A + T1); \
473
139M
                E = SPH_T32(T1 + T2); \
474
139M
                W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
475
139M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
476
139M
                        + SPH_C32(0xD192E819) + W12); \
477
139M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
478
139M
                H = SPH_T32(H + T1); \
479
139M
                D = SPH_T32(T1 + T2); \
480
139M
                W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
481
139M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
482
139M
                        + SPH_C32(0xD6990624) + W13); \
483
139M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
484
139M
                G = SPH_T32(G + T1); \
485
139M
                C = SPH_T32(T1 + T2); \
486
139M
                W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
487
139M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
488
139M
                        + SPH_C32(0xF40E3585) + W14); \
489
139M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
490
139M
                F = SPH_T32(F + T1); \
491
139M
                B = SPH_T32(T1 + T2); \
492
139M
                W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
493
139M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
494
139M
                        + SPH_C32(0x106AA070) + W15); \
495
139M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
496
139M
                E = SPH_T32(E + T1); \
497
139M
                A = SPH_T32(T1 + T2); \
498
139M
                W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
499
139M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
500
139M
                        + SPH_C32(0x19A4C116) + W00); \
501
139M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
502
139M
                D = SPH_T32(D + T1); \
503
139M
                H = SPH_T32(T1 + T2); \
504
139M
                W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
505
139M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
506
139M
                        + SPH_C32(0x1E376C08) + W01); \
507
139M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
508
139M
                C = SPH_T32(C + T1); \
509
139M
                G = SPH_T32(T1 + T2); \
510
139M
                W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
511
139M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
512
139M
                        + SPH_C32(0x2748774C) + W02); \
513
139M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
514
139M
                B = SPH_T32(B + T1); \
515
139M
                F = SPH_T32(T1 + T2); \
516
139M
                W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
517
139M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
518
139M
                        + SPH_C32(0x34B0BCB5) + W03); \
519
139M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
520
139M
                A = SPH_T32(A + T1); \
521
139M
                E = SPH_T32(T1 + T2); \
522
139M
                W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
523
139M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
524
139M
                        + SPH_C32(0x391C0CB3) + W04); \
525
139M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
526
139M
                H = SPH_T32(H + T1); \
527
139M
                D = SPH_T32(T1 + T2); \
528
139M
                W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
529
139M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
530
139M
                        + SPH_C32(0x4ED8AA4A) + W05); \
531
139M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
532
139M
                G = SPH_T32(G + T1); \
533
139M
                C = SPH_T32(T1 + T2); \
534
139M
                W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
535
139M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
536
139M
                        + SPH_C32(0x5B9CCA4F) + W06); \
537
139M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
538
139M
                F = SPH_T32(F + T1); \
539
139M
                B = SPH_T32(T1 + T2); \
540
139M
                W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
541
139M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
542
139M
                        + SPH_C32(0x682E6FF3) + W07); \
543
139M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
544
139M
                E = SPH_T32(E + T1); \
545
139M
                A = SPH_T32(T1 + T2); \
546
139M
                W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
547
139M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
548
139M
                        + SPH_C32(0x748F82EE) + W08); \
549
139M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
550
139M
                D = SPH_T32(D + T1); \
551
139M
                H = SPH_T32(T1 + T2); \
552
139M
                W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
553
139M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
554
139M
                        + SPH_C32(0x78A5636F) + W09); \
555
139M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
556
139M
                C = SPH_T32(C + T1); \
557
139M
                G = SPH_T32(T1 + T2); \
558
139M
                W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
559
139M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
560
139M
                        + SPH_C32(0x84C87814) + W10); \
561
139M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
562
139M
                B = SPH_T32(B + T1); \
563
139M
                F = SPH_T32(T1 + T2); \
564
139M
                W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
565
139M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
566
139M
                        + SPH_C32(0x8CC70208) + W11); \
567
139M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
568
139M
                A = SPH_T32(A + T1); \
569
139M
                E = SPH_T32(T1 + T2); \
570
139M
                W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
571
139M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
572
139M
                        + SPH_C32(0x90BEFFFA) + W12); \
573
139M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
574
139M
                H = SPH_T32(H + T1); \
575
139M
                D = SPH_T32(T1 + T2); \
576
139M
                W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
577
139M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
578
139M
                        + SPH_C32(0xA4506CEB) + W13); \
579
139M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
580
139M
                G = SPH_T32(G + T1); \
581
139M
                C = SPH_T32(T1 + T2); \
582
139M
                W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
583
139M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
584
139M
                        + SPH_C32(0xBEF9A3F7) + W14); \
585
139M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
586
139M
                F = SPH_T32(F + T1); \
587
139M
                B = SPH_T32(T1 + T2); \
588
139M
                W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
589
139M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
590
139M
                        + SPH_C32(0xC67178F2) + W15); \
591
139M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
592
139M
                E = SPH_T32(E + T1); \
593
139M
                A = SPH_T32(T1 + T2); \
594
139M
                (r)[0] = SPH_T32((r)[0] + A); \
595
139M
                (r)[1] = SPH_T32((r)[1] + B); \
596
139M
                (r)[2] = SPH_T32((r)[2] + C); \
597
139M
                (r)[3] = SPH_T32((r)[3] + D); \
598
139M
                (r)[4] = SPH_T32((r)[4] + E); \
599
139M
                (r)[5] = SPH_T32((r)[5] + F); \
600
139M
                (r)[6] = SPH_T32((r)[6] + G); \
601
139M
                (r)[7] = SPH_T32((r)[7] + H); \
602
139M
        } while (0)
603
604
#endif
605
606
/*
607
 * One round of SHA-224 / SHA-256. The data must be aligned for 32-bit access.
608
 */
609
static void
610
sha2_round(const unsigned char *data, sph_u32 r[8])
611
139M
{
612
2.23G
#define SHA2_IN(x)   sph_dec32be_aligned(data + (4 * (x)))
613
2.23G
        SHA2_ROUND_BODY(SHA2_IN, r);
614
139M
#undef SHA2_IN
615
139M
}
616
617
/* see sph_sha2.h */
618
void
619
sph_sha224_init(void *cc)
620
0
{
621
0
        sph_sha224_context *sc;
622
623
0
        sc = cc;
624
0
        memcpy(sc->val, H224, sizeof H224);
625
0
#if SPH_64
626
0
        sc->count = 0;
627
#else
628
        sc->count_high = sc->count_low = 0;
629
#endif
630
0
}
631
632
/* see sph_sha2.h */
633
void
634
sph_sha256_init(void *cc)
635
4.01M
{
636
4.01M
        sph_sha256_context *sc;
637
638
4.01M
        sc = cc;
639
4.01M
        memcpy(sc->val, H256, sizeof H256);
640
4.01M
#if SPH_64
641
4.01M
        sc->count = 0;
642
#else
643
        sc->count_high = sc->count_low = 0;
644
#endif
645
4.01M
}
646
647
139M
#define RFUN   sha2_round
648
#define HASH   sha224
649
#define BE32   1
650
#include "sph/md_helper.c"
651
652
/* see sph_sha2.h */
653
void
654
sph_sha224_close(void *cc, void *dst)
655
0
{
656
0
        sha224_close(cc, dst, 7);
657
0
        sph_sha224_init(cc);
658
0
}
659
660
/* see sph_sha2.h */
661
void
662
sph_sha224_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
663
0
{
664
0
        sha224_addbits_and_close(cc, ub, n, dst, 7);
665
0
        sph_sha224_init(cc);
666
0
}
667
668
/* see sph_sha2.h */
669
void
670
sph_sha256_close(void *cc, void *dst)
671
2.00M
{
672
2.00M
        sha224_close(cc, dst, 8);
673
2.00M
        sph_sha256_init(cc);
674
2.00M
}
675
676
/* see sph_sha2.h */
677
void
678
sph_sha256_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
679
0
{
680
0
        sha224_addbits_and_close(cc, ub, n, dst, 8);
681
0
        sph_sha256_init(cc);
682
0
}
683
684
/* see sph_sha2.h */
685
void
686
sph_sha224_comp(const sph_u32 msg[16], sph_u32 val[8])
687
0
{
688
0
#define SHA2_IN(x)   msg[x]
689
0
        SHA2_ROUND_BODY(SHA2_IN, val);
690
0
#undef SHA2_IN
691
0
}