Coverage Report

Created: 2025-06-22 06:28

/src/qpdf/libqpdf/sha2.c
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Count
Source (jump to first uncovered line)
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/* clang-format off */
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/* $Id: sha2.c 227 2010-06-16 17:28:38Z tp $ */
3
/*
4
 * SHA-224 / SHA-256 implementation.
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 *
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 * ==========================(LICENSE BEGIN)============================
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 *
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 * Copyright (c) 2007-2010  Projet RNRT SAPHIR
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 * 
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 * Permission is hereby granted, free of charge, to any person obtaining
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 * a copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sublicense, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 * 
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 * The above copyright notice and this permission notice shall be
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 * included in all copies or substantial portions of the Software.
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 * 
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
27
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 * ===========================(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
3.62M
#define SHA2_ROUND_BODY(in, r)   do { \
198
3.62M
                sph_u32 A, B, C, D, E, F, G, H, T1, T2; \
199
3.62M
                sph_u32 W00, W01, W02, W03, W04, W05, W06, W07; \
200
3.62M
                sph_u32 W08, W09, W10, W11, W12, W13, W14, W15; \
201
3.62M
 \
202
3.62M
                A = (r)[0]; \
203
3.62M
                B = (r)[1]; \
204
3.62M
                C = (r)[2]; \
205
3.62M
                D = (r)[3]; \
206
3.62M
                E = (r)[4]; \
207
3.62M
                F = (r)[5]; \
208
3.62M
                G = (r)[6]; \
209
3.62M
                H = (r)[7]; \
210
3.62M
                W00 = in(0); \
211
3.62M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
212
3.62M
                        + SPH_C32(0x428A2F98) + W00); \
213
3.62M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
214
3.62M
                D = SPH_T32(D + T1); \
215
3.62M
                H = SPH_T32(T1 + T2); \
216
3.62M
                W01 = in(1); \
217
3.62M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
218
3.62M
                        + SPH_C32(0x71374491) + W01); \
219
3.62M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
220
3.62M
                C = SPH_T32(C + T1); \
221
3.62M
                G = SPH_T32(T1 + T2); \
222
3.62M
                W02 = in(2); \
223
3.62M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
224
3.62M
                        + SPH_C32(0xB5C0FBCF) + W02); \
225
3.62M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
226
3.62M
                B = SPH_T32(B + T1); \
227
3.62M
                F = SPH_T32(T1 + T2); \
228
3.62M
                W03 = in(3); \
229
3.62M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
230
3.62M
                        + SPH_C32(0xE9B5DBA5) + W03); \
231
3.62M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
232
3.62M
                A = SPH_T32(A + T1); \
233
3.62M
                E = SPH_T32(T1 + T2); \
234
3.62M
                W04 = in(4); \
235
3.62M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
236
3.62M
                        + SPH_C32(0x3956C25B) + W04); \
237
3.62M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
238
3.62M
                H = SPH_T32(H + T1); \
239
3.62M
                D = SPH_T32(T1 + T2); \
240
3.62M
                W05 = in(5); \
241
3.62M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
242
3.62M
                        + SPH_C32(0x59F111F1) + W05); \
243
3.62M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
244
3.62M
                G = SPH_T32(G + T1); \
245
3.62M
                C = SPH_T32(T1 + T2); \
246
3.62M
                W06 = in(6); \
247
3.62M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
248
3.62M
                        + SPH_C32(0x923F82A4) + W06); \
249
3.62M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
250
3.62M
                F = SPH_T32(F + T1); \
251
3.62M
                B = SPH_T32(T1 + T2); \
252
3.62M
                W07 = in(7); \
253
3.62M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
254
3.62M
                        + SPH_C32(0xAB1C5ED5) + W07); \
255
3.62M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
256
3.62M
                E = SPH_T32(E + T1); \
257
3.62M
                A = SPH_T32(T1 + T2); \
258
3.62M
                W08 = in(8); \
259
3.62M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
260
3.62M
                        + SPH_C32(0xD807AA98) + W08); \
261
3.62M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
262
3.62M
                D = SPH_T32(D + T1); \
263
3.62M
                H = SPH_T32(T1 + T2); \
264
3.62M
                W09 = in(9); \
265
3.62M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
266
3.62M
                        + SPH_C32(0x12835B01) + W09); \
267
3.62M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
268
3.62M
                C = SPH_T32(C + T1); \
269
3.62M
                G = SPH_T32(T1 + T2); \
270
3.62M
                W10 = in(10); \
271
3.62M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
272
3.62M
                        + SPH_C32(0x243185BE) + W10); \
273
3.62M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
274
3.62M
                B = SPH_T32(B + T1); \
275
3.62M
                F = SPH_T32(T1 + T2); \
276
3.62M
                W11 = in(11); \
277
3.62M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
278
3.62M
                        + SPH_C32(0x550C7DC3) + W11); \
279
3.62M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
280
3.62M
                A = SPH_T32(A + T1); \
281
3.62M
                E = SPH_T32(T1 + T2); \
282
3.62M
                W12 = in(12); \
283
3.62M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
284
3.62M
                        + SPH_C32(0x72BE5D74) + W12); \
285
3.62M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
286
3.62M
                H = SPH_T32(H + T1); \
287
3.62M
                D = SPH_T32(T1 + T2); \
288
3.62M
                W13 = in(13); \
289
3.62M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
290
3.62M
                        + SPH_C32(0x80DEB1FE) + W13); \
291
3.62M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
292
3.62M
                G = SPH_T32(G + T1); \
293
3.62M
                C = SPH_T32(T1 + T2); \
294
3.62M
                W14 = in(14); \
295
3.62M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
296
3.62M
                        + SPH_C32(0x9BDC06A7) + W14); \
297
3.62M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
298
3.62M
                F = SPH_T32(F + T1); \
299
3.62M
                B = SPH_T32(T1 + T2); \
300
3.62M
                W15 = in(15); \
301
3.62M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
302
3.62M
                        + SPH_C32(0xC19BF174) + W15); \
303
3.62M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
304
3.62M
                E = SPH_T32(E + T1); \
305
3.62M
                A = SPH_T32(T1 + T2); \
306
3.62M
                W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
307
3.62M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
308
3.62M
                        + SPH_C32(0xE49B69C1) + W00); \
309
3.62M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
310
3.62M
                D = SPH_T32(D + T1); \
311
3.62M
                H = SPH_T32(T1 + T2); \
312
3.62M
                W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
313
3.62M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
314
3.62M
                        + SPH_C32(0xEFBE4786) + W01); \
315
3.62M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
316
3.62M
                C = SPH_T32(C + T1); \
317
3.62M
                G = SPH_T32(T1 + T2); \
318
3.62M
                W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
319
3.62M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
320
3.62M
                        + SPH_C32(0x0FC19DC6) + W02); \
321
3.62M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
322
3.62M
                B = SPH_T32(B + T1); \
323
3.62M
                F = SPH_T32(T1 + T2); \
324
3.62M
                W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
325
3.62M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
326
3.62M
                        + SPH_C32(0x240CA1CC) + W03); \
327
3.62M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
328
3.62M
                A = SPH_T32(A + T1); \
329
3.62M
                E = SPH_T32(T1 + T2); \
330
3.62M
                W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
331
3.62M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
332
3.62M
                        + SPH_C32(0x2DE92C6F) + W04); \
333
3.62M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
334
3.62M
                H = SPH_T32(H + T1); \
335
3.62M
                D = SPH_T32(T1 + T2); \
336
3.62M
                W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
337
3.62M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
338
3.62M
                        + SPH_C32(0x4A7484AA) + W05); \
339
3.62M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
340
3.62M
                G = SPH_T32(G + T1); \
341
3.62M
                C = SPH_T32(T1 + T2); \
342
3.62M
                W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
343
3.62M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
344
3.62M
                        + SPH_C32(0x5CB0A9DC) + W06); \
345
3.62M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
346
3.62M
                F = SPH_T32(F + T1); \
347
3.62M
                B = SPH_T32(T1 + T2); \
348
3.62M
                W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
349
3.62M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
350
3.62M
                        + SPH_C32(0x76F988DA) + W07); \
351
3.62M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
352
3.62M
                E = SPH_T32(E + T1); \
353
3.62M
                A = SPH_T32(T1 + T2); \
354
3.62M
                W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
355
3.62M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
356
3.62M
                        + SPH_C32(0x983E5152) + W08); \
357
3.62M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
358
3.62M
                D = SPH_T32(D + T1); \
359
3.62M
                H = SPH_T32(T1 + T2); \
360
3.62M
                W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
361
3.62M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
362
3.62M
                        + SPH_C32(0xA831C66D) + W09); \
363
3.62M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
364
3.62M
                C = SPH_T32(C + T1); \
365
3.62M
                G = SPH_T32(T1 + T2); \
366
3.62M
                W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
367
3.62M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
368
3.62M
                        + SPH_C32(0xB00327C8) + W10); \
369
3.62M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
370
3.62M
                B = SPH_T32(B + T1); \
371
3.62M
                F = SPH_T32(T1 + T2); \
372
3.62M
                W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
373
3.62M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
374
3.62M
                        + SPH_C32(0xBF597FC7) + W11); \
375
3.62M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
376
3.62M
                A = SPH_T32(A + T1); \
377
3.62M
                E = SPH_T32(T1 + T2); \
378
3.62M
                W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
379
3.62M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
380
3.62M
                        + SPH_C32(0xC6E00BF3) + W12); \
381
3.62M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
382
3.62M
                H = SPH_T32(H + T1); \
383
3.62M
                D = SPH_T32(T1 + T2); \
384
3.62M
                W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
385
3.62M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
386
3.62M
                        + SPH_C32(0xD5A79147) + W13); \
387
3.62M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
388
3.62M
                G = SPH_T32(G + T1); \
389
3.62M
                C = SPH_T32(T1 + T2); \
390
3.62M
                W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
391
3.62M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
392
3.62M
                        + SPH_C32(0x06CA6351) + W14); \
393
3.62M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
394
3.62M
                F = SPH_T32(F + T1); \
395
3.62M
                B = SPH_T32(T1 + T2); \
396
3.62M
                W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
397
3.62M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
398
3.62M
                        + SPH_C32(0x14292967) + W15); \
399
3.62M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
400
3.62M
                E = SPH_T32(E + T1); \
401
3.62M
                A = SPH_T32(T1 + T2); \
402
3.62M
                W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
403
3.62M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
404
3.62M
                        + SPH_C32(0x27B70A85) + W00); \
405
3.62M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
406
3.62M
                D = SPH_T32(D + T1); \
407
3.62M
                H = SPH_T32(T1 + T2); \
408
3.62M
                W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
409
3.62M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
410
3.62M
                        + SPH_C32(0x2E1B2138) + W01); \
411
3.62M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
412
3.62M
                C = SPH_T32(C + T1); \
413
3.62M
                G = SPH_T32(T1 + T2); \
414
3.62M
                W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
415
3.62M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
416
3.62M
                        + SPH_C32(0x4D2C6DFC) + W02); \
417
3.62M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
418
3.62M
                B = SPH_T32(B + T1); \
419
3.62M
                F = SPH_T32(T1 + T2); \
420
3.62M
                W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
421
3.62M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
422
3.62M
                        + SPH_C32(0x53380D13) + W03); \
423
3.62M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
424
3.62M
                A = SPH_T32(A + T1); \
425
3.62M
                E = SPH_T32(T1 + T2); \
426
3.62M
                W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
427
3.62M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
428
3.62M
                        + SPH_C32(0x650A7354) + W04); \
429
3.62M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
430
3.62M
                H = SPH_T32(H + T1); \
431
3.62M
                D = SPH_T32(T1 + T2); \
432
3.62M
                W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
433
3.62M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
434
3.62M
                        + SPH_C32(0x766A0ABB) + W05); \
435
3.62M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
436
3.62M
                G = SPH_T32(G + T1); \
437
3.62M
                C = SPH_T32(T1 + T2); \
438
3.62M
                W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
439
3.62M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
440
3.62M
                        + SPH_C32(0x81C2C92E) + W06); \
441
3.62M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
442
3.62M
                F = SPH_T32(F + T1); \
443
3.62M
                B = SPH_T32(T1 + T2); \
444
3.62M
                W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
445
3.62M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
446
3.62M
                        + SPH_C32(0x92722C85) + W07); \
447
3.62M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
448
3.62M
                E = SPH_T32(E + T1); \
449
3.62M
                A = SPH_T32(T1 + T2); \
450
3.62M
                W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
451
3.62M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
452
3.62M
                        + SPH_C32(0xA2BFE8A1) + W08); \
453
3.62M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
454
3.62M
                D = SPH_T32(D + T1); \
455
3.62M
                H = SPH_T32(T1 + T2); \
456
3.62M
                W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
457
3.62M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
458
3.62M
                        + SPH_C32(0xA81A664B) + W09); \
459
3.62M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
460
3.62M
                C = SPH_T32(C + T1); \
461
3.62M
                G = SPH_T32(T1 + T2); \
462
3.62M
                W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
463
3.62M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
464
3.62M
                        + SPH_C32(0xC24B8B70) + W10); \
465
3.62M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
466
3.62M
                B = SPH_T32(B + T1); \
467
3.62M
                F = SPH_T32(T1 + T2); \
468
3.62M
                W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
469
3.62M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
470
3.62M
                        + SPH_C32(0xC76C51A3) + W11); \
471
3.62M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
472
3.62M
                A = SPH_T32(A + T1); \
473
3.62M
                E = SPH_T32(T1 + T2); \
474
3.62M
                W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
475
3.62M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
476
3.62M
                        + SPH_C32(0xD192E819) + W12); \
477
3.62M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
478
3.62M
                H = SPH_T32(H + T1); \
479
3.62M
                D = SPH_T32(T1 + T2); \
480
3.62M
                W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
481
3.62M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
482
3.62M
                        + SPH_C32(0xD6990624) + W13); \
483
3.62M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
484
3.62M
                G = SPH_T32(G + T1); \
485
3.62M
                C = SPH_T32(T1 + T2); \
486
3.62M
                W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
487
3.62M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
488
3.62M
                        + SPH_C32(0xF40E3585) + W14); \
489
3.62M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
490
3.62M
                F = SPH_T32(F + T1); \
491
3.62M
                B = SPH_T32(T1 + T2); \
492
3.62M
                W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
493
3.62M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
494
3.62M
                        + SPH_C32(0x106AA070) + W15); \
495
3.62M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
496
3.62M
                E = SPH_T32(E + T1); \
497
3.62M
                A = SPH_T32(T1 + T2); \
498
3.62M
                W00 = SPH_T32(SSG2_1(W14) + W09 + SSG2_0(W01) + W00); \
499
3.62M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
500
3.62M
                        + SPH_C32(0x19A4C116) + W00); \
501
3.62M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
502
3.62M
                D = SPH_T32(D + T1); \
503
3.62M
                H = SPH_T32(T1 + T2); \
504
3.62M
                W01 = SPH_T32(SSG2_1(W15) + W10 + SSG2_0(W02) + W01); \
505
3.62M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
506
3.62M
                        + SPH_C32(0x1E376C08) + W01); \
507
3.62M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
508
3.62M
                C = SPH_T32(C + T1); \
509
3.62M
                G = SPH_T32(T1 + T2); \
510
3.62M
                W02 = SPH_T32(SSG2_1(W00) + W11 + SSG2_0(W03) + W02); \
511
3.62M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
512
3.62M
                        + SPH_C32(0x2748774C) + W02); \
513
3.62M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
514
3.62M
                B = SPH_T32(B + T1); \
515
3.62M
                F = SPH_T32(T1 + T2); \
516
3.62M
                W03 = SPH_T32(SSG2_1(W01) + W12 + SSG2_0(W04) + W03); \
517
3.62M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
518
3.62M
                        + SPH_C32(0x34B0BCB5) + W03); \
519
3.62M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
520
3.62M
                A = SPH_T32(A + T1); \
521
3.62M
                E = SPH_T32(T1 + T2); \
522
3.62M
                W04 = SPH_T32(SSG2_1(W02) + W13 + SSG2_0(W05) + W04); \
523
3.62M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
524
3.62M
                        + SPH_C32(0x391C0CB3) + W04); \
525
3.62M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
526
3.62M
                H = SPH_T32(H + T1); \
527
3.62M
                D = SPH_T32(T1 + T2); \
528
3.62M
                W05 = SPH_T32(SSG2_1(W03) + W14 + SSG2_0(W06) + W05); \
529
3.62M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
530
3.62M
                        + SPH_C32(0x4ED8AA4A) + W05); \
531
3.62M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
532
3.62M
                G = SPH_T32(G + T1); \
533
3.62M
                C = SPH_T32(T1 + T2); \
534
3.62M
                W06 = SPH_T32(SSG2_1(W04) + W15 + SSG2_0(W07) + W06); \
535
3.62M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
536
3.62M
                        + SPH_C32(0x5B9CCA4F) + W06); \
537
3.62M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
538
3.62M
                F = SPH_T32(F + T1); \
539
3.62M
                B = SPH_T32(T1 + T2); \
540
3.62M
                W07 = SPH_T32(SSG2_1(W05) + W00 + SSG2_0(W08) + W07); \
541
3.62M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
542
3.62M
                        + SPH_C32(0x682E6FF3) + W07); \
543
3.62M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
544
3.62M
                E = SPH_T32(E + T1); \
545
3.62M
                A = SPH_T32(T1 + T2); \
546
3.62M
                W08 = SPH_T32(SSG2_1(W06) + W01 + SSG2_0(W09) + W08); \
547
3.62M
                T1 = SPH_T32(H + BSG2_1(E) + CH(E, F, G) \
548
3.62M
                        + SPH_C32(0x748F82EE) + W08); \
549
3.62M
                T2 = SPH_T32(BSG2_0(A) + MAJ(A, B, C)); \
550
3.62M
                D = SPH_T32(D + T1); \
551
3.62M
                H = SPH_T32(T1 + T2); \
552
3.62M
                W09 = SPH_T32(SSG2_1(W07) + W02 + SSG2_0(W10) + W09); \
553
3.62M
                T1 = SPH_T32(G + BSG2_1(D) + CH(D, E, F) \
554
3.62M
                        + SPH_C32(0x78A5636F) + W09); \
555
3.62M
                T2 = SPH_T32(BSG2_0(H) + MAJ(H, A, B)); \
556
3.62M
                C = SPH_T32(C + T1); \
557
3.62M
                G = SPH_T32(T1 + T2); \
558
3.62M
                W10 = SPH_T32(SSG2_1(W08) + W03 + SSG2_0(W11) + W10); \
559
3.62M
                T1 = SPH_T32(F + BSG2_1(C) + CH(C, D, E) \
560
3.62M
                        + SPH_C32(0x84C87814) + W10); \
561
3.62M
                T2 = SPH_T32(BSG2_0(G) + MAJ(G, H, A)); \
562
3.62M
                B = SPH_T32(B + T1); \
563
3.62M
                F = SPH_T32(T1 + T2); \
564
3.62M
                W11 = SPH_T32(SSG2_1(W09) + W04 + SSG2_0(W12) + W11); \
565
3.62M
                T1 = SPH_T32(E + BSG2_1(B) + CH(B, C, D) \
566
3.62M
                        + SPH_C32(0x8CC70208) + W11); \
567
3.62M
                T2 = SPH_T32(BSG2_0(F) + MAJ(F, G, H)); \
568
3.62M
                A = SPH_T32(A + T1); \
569
3.62M
                E = SPH_T32(T1 + T2); \
570
3.62M
                W12 = SPH_T32(SSG2_1(W10) + W05 + SSG2_0(W13) + W12); \
571
3.62M
                T1 = SPH_T32(D + BSG2_1(A) + CH(A, B, C) \
572
3.62M
                        + SPH_C32(0x90BEFFFA) + W12); \
573
3.62M
                T2 = SPH_T32(BSG2_0(E) + MAJ(E, F, G)); \
574
3.62M
                H = SPH_T32(H + T1); \
575
3.62M
                D = SPH_T32(T1 + T2); \
576
3.62M
                W13 = SPH_T32(SSG2_1(W11) + W06 + SSG2_0(W14) + W13); \
577
3.62M
                T1 = SPH_T32(C + BSG2_1(H) + CH(H, A, B) \
578
3.62M
                        + SPH_C32(0xA4506CEB) + W13); \
579
3.62M
                T2 = SPH_T32(BSG2_0(D) + MAJ(D, E, F)); \
580
3.62M
                G = SPH_T32(G + T1); \
581
3.62M
                C = SPH_T32(T1 + T2); \
582
3.62M
                W14 = SPH_T32(SSG2_1(W12) + W07 + SSG2_0(W15) + W14); \
583
3.62M
                T1 = SPH_T32(B + BSG2_1(G) + CH(G, H, A) \
584
3.62M
                        + SPH_C32(0xBEF9A3F7) + W14); \
585
3.62M
                T2 = SPH_T32(BSG2_0(C) + MAJ(C, D, E)); \
586
3.62M
                F = SPH_T32(F + T1); \
587
3.62M
                B = SPH_T32(T1 + T2); \
588
3.62M
                W15 = SPH_T32(SSG2_1(W13) + W08 + SSG2_0(W00) + W15); \
589
3.62M
                T1 = SPH_T32(A + BSG2_1(F) + CH(F, G, H) \
590
3.62M
                        + SPH_C32(0xC67178F2) + W15); \
591
3.62M
                T2 = SPH_T32(BSG2_0(B) + MAJ(B, C, D)); \
592
3.62M
                E = SPH_T32(E + T1); \
593
3.62M
                A = SPH_T32(T1 + T2); \
594
3.62M
                (r)[0] = SPH_T32((r)[0] + A); \
595
3.62M
                (r)[1] = SPH_T32((r)[1] + B); \
596
3.62M
                (r)[2] = SPH_T32((r)[2] + C); \
597
3.62M
                (r)[3] = SPH_T32((r)[3] + D); \
598
3.62M
                (r)[4] = SPH_T32((r)[4] + E); \
599
3.62M
                (r)[5] = SPH_T32((r)[5] + F); \
600
3.62M
                (r)[6] = SPH_T32((r)[6] + G); \
601
3.62M
                (r)[7] = SPH_T32((r)[7] + H); \
602
3.62M
        } 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
3.62M
{
612
58.0M
#define SHA2_IN(x)   sph_dec32be_aligned(data + (4 * (x)))
613
58.0M
        SHA2_ROUND_BODY(SHA2_IN, r);
614
3.62M
#undef SHA2_IN
615
3.62M
}
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
109k
{
636
109k
        sph_sha256_context *sc;
637
638
109k
        sc = cc;
639
109k
        memcpy(sc->val, H256, sizeof H256);
640
109k
#if SPH_64
641
109k
        sc->count = 0;
642
#else
643
        sc->count_high = sc->count_low = 0;
644
#endif
645
109k
}
646
647
3.62M
#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
54.7k
{
672
54.7k
        sha224_close(cc, dst, 8);
673
54.7k
        sph_sha256_init(cc);
674
54.7k
}
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
}