PIVX Core  5.6.99
P2P Digital Currency
blake.c
Go to the documentation of this file.
1 /* $Id: blake.c 252 2011-06-07 17:55:14Z tp $ */
2 /*
3  * BLAKE implementation.
4  *
5  * ==========================(LICENSE BEGIN)============================
6  *
7  * Copyright (c) 2007-2010 Projet RNRT SAPHIR
8  *
9  * Permission is hereby granted, free of charge, to any person obtaining
10  * a copy of this software and associated documentation files (the
11  * "Software"), to deal in the Software without restriction, including
12  * without limitation the rights to use, copy, modify, merge, publish,
13  * distribute, sublicense, and/or sell copies of the Software, and to
14  * permit persons to whom the Software is furnished to do so, subject to
15  * the following conditions:
16  *
17  * The above copyright notice and this permission notice shall be
18  * included in all copies or substantial portions of the Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
24  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27  *
28  * ===========================(LICENSE END)=============================
29  *
30  * @author Thomas Pornin <thomas.pornin@cryptolog.com>
31  */
32 
33 #include <stddef.h>
34 #include <string.h>
35 #include <limits.h>
36 
37 #include "sph_blake.h"
38 
39 #ifdef __cplusplus
40 extern "C"{
41 #endif
42 
43 #if SPH_SMALL_FOOTPRINT && !defined SPH_SMALL_FOOTPRINT_BLAKE
44 #define SPH_SMALL_FOOTPRINT_BLAKE 1
45 #endif
46 
47 #if SPH_SMALL_FOOTPRINT_BLAKE
48 #define SPH_COMPACT_BLAKE_32 1
49 #endif
50 
51 #if SPH_64 && (SPH_SMALL_FOOTPRINT_BLAKE || !SPH_64_TRUE)
52 #define SPH_COMPACT_BLAKE_64 1
53 #endif
54 
55 #ifdef _MSC_VER
56 #pragma warning (disable: 4146)
57 #endif
58 
59 static const sph_u32 IV224[8] = {
60  SPH_C32(0xC1059ED8), SPH_C32(0x367CD507),
61  SPH_C32(0x3070DD17), SPH_C32(0xF70E5939),
62  SPH_C32(0xFFC00B31), SPH_C32(0x68581511),
63  SPH_C32(0x64F98FA7), SPH_C32(0xBEFA4FA4)
64 };
65 
66 static const sph_u32 IV256[8] = {
67  SPH_C32(0x6A09E667), SPH_C32(0xBB67AE85),
68  SPH_C32(0x3C6EF372), SPH_C32(0xA54FF53A),
69  SPH_C32(0x510E527F), SPH_C32(0x9B05688C),
70  SPH_C32(0x1F83D9AB), SPH_C32(0x5BE0CD19)
71 };
72 
73 #if SPH_64
74 
75 static const sph_u64 IV384[8] = {
76  SPH_C64(0xCBBB9D5DC1059ED8), SPH_C64(0x629A292A367CD507),
77  SPH_C64(0x9159015A3070DD17), SPH_C64(0x152FECD8F70E5939),
78  SPH_C64(0x67332667FFC00B31), SPH_C64(0x8EB44A8768581511),
79  SPH_C64(0xDB0C2E0D64F98FA7), SPH_C64(0x47B5481DBEFA4FA4)
80 };
81 
82 static const sph_u64 IV512[8] = {
83  SPH_C64(0x6A09E667F3BCC908), SPH_C64(0xBB67AE8584CAA73B),
84  SPH_C64(0x3C6EF372FE94F82B), SPH_C64(0xA54FF53A5F1D36F1),
85  SPH_C64(0x510E527FADE682D1), SPH_C64(0x9B05688C2B3E6C1F),
86  SPH_C64(0x1F83D9ABFB41BD6B), SPH_C64(0x5BE0CD19137E2179)
87 };
88 
89 #endif
90 
91 #if SPH_COMPACT_BLAKE_32 || SPH_COMPACT_BLAKE_64
92 
93 static const unsigned sigma[16][16] = {
94  { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
95  { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 },
96  { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 },
97  { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 },
98  { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 },
99  { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 },
100  { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 },
101  { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 },
102  { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 },
103  { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0 },
104  { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
105  { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 },
106  { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 },
107  { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 },
108  { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 },
109  { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 }
110 };
111 
112 /*
113  0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
114  14 10 4 8 9 15 13 6 1 12 0 2 11 7 5 3
115  11 8 12 0 5 2 15 13 10 14 3 6 7 1 9 4
116  7 9 3 1 13 12 11 14 2 6 5 10 4 0 15 8
117  9 0 5 7 2 4 10 15 14 1 11 12 6 8 3 13
118  2 12 6 10 0 11 8 3 4 13 7 5 15 14 1 9
119  12 5 1 15 14 13 4 10 0 7 6 3 9 2 8 11
120  13 11 7 14 12 1 3 9 5 0 15 4 8 6 2 10
121  6 15 14 9 11 3 0 8 12 2 13 7 1 4 10 5
122  10 2 8 4 7 6 1 5 15 11 9 14 3 12 13 0
123 */
124 #endif
125 
126 #define Z00 0
127 #define Z01 1
128 #define Z02 2
129 #define Z03 3
130 #define Z04 4
131 #define Z05 5
132 #define Z06 6
133 #define Z07 7
134 #define Z08 8
135 #define Z09 9
136 #define Z0A A
137 #define Z0B B
138 #define Z0C C
139 #define Z0D D
140 #define Z0E E
141 #define Z0F F
142 
143 #define Z10 E
144 #define Z11 A
145 #define Z12 4
146 #define Z13 8
147 #define Z14 9
148 #define Z15 F
149 #define Z16 D
150 #define Z17 6
151 #define Z18 1
152 #define Z19 C
153 #define Z1A 0
154 #define Z1B 2
155 #define Z1C B
156 #define Z1D 7
157 #define Z1E 5
158 #define Z1F 3
159 
160 #define Z20 B
161 #define Z21 8
162 #define Z22 C
163 #define Z23 0
164 #define Z24 5
165 #define Z25 2
166 #define Z26 F
167 #define Z27 D
168 #define Z28 A
169 #define Z29 E
170 #define Z2A 3
171 #define Z2B 6
172 #define Z2C 7
173 #define Z2D 1
174 #define Z2E 9
175 #define Z2F 4
176 
177 #define Z30 7
178 #define Z31 9
179 #define Z32 3
180 #define Z33 1
181 #define Z34 D
182 #define Z35 C
183 #define Z36 B
184 #define Z37 E
185 #define Z38 2
186 #define Z39 6
187 #define Z3A 5
188 #define Z3B A
189 #define Z3C 4
190 #define Z3D 0
191 #define Z3E F
192 #define Z3F 8
193 
194 #define Z40 9
195 #define Z41 0
196 #define Z42 5
197 #define Z43 7
198 #define Z44 2
199 #define Z45 4
200 #define Z46 A
201 #define Z47 F
202 #define Z48 E
203 #define Z49 1
204 #define Z4A B
205 #define Z4B C
206 #define Z4C 6
207 #define Z4D 8
208 #define Z4E 3
209 #define Z4F D
210 
211 #define Z50 2
212 #define Z51 C
213 #define Z52 6
214 #define Z53 A
215 #define Z54 0
216 #define Z55 B
217 #define Z56 8
218 #define Z57 3
219 #define Z58 4
220 #define Z59 D
221 #define Z5A 7
222 #define Z5B 5
223 #define Z5C F
224 #define Z5D E
225 #define Z5E 1
226 #define Z5F 9
227 
228 #define Z60 C
229 #define Z61 5
230 #define Z62 1
231 #define Z63 F
232 #define Z64 E
233 #define Z65 D
234 #define Z66 4
235 #define Z67 A
236 #define Z68 0
237 #define Z69 7
238 #define Z6A 6
239 #define Z6B 3
240 #define Z6C 9
241 #define Z6D 2
242 #define Z6E 8
243 #define Z6F B
244 
245 #define Z70 D
246 #define Z71 B
247 #define Z72 7
248 #define Z73 E
249 #define Z74 C
250 #define Z75 1
251 #define Z76 3
252 #define Z77 9
253 #define Z78 5
254 #define Z79 0
255 #define Z7A F
256 #define Z7B 4
257 #define Z7C 8
258 #define Z7D 6
259 #define Z7E 2
260 #define Z7F A
261 
262 #define Z80 6
263 #define Z81 F
264 #define Z82 E
265 #define Z83 9
266 #define Z84 B
267 #define Z85 3
268 #define Z86 0
269 #define Z87 8
270 #define Z88 C
271 #define Z89 2
272 #define Z8A D
273 #define Z8B 7
274 #define Z8C 1
275 #define Z8D 4
276 #define Z8E A
277 #define Z8F 5
278 
279 #define Z90 A
280 #define Z91 2
281 #define Z92 8
282 #define Z93 4
283 #define Z94 7
284 #define Z95 6
285 #define Z96 1
286 #define Z97 5
287 #define Z98 F
288 #define Z99 B
289 #define Z9A 9
290 #define Z9B E
291 #define Z9C 3
292 #define Z9D C
293 #define Z9E D
294 #define Z9F 0
295 
296 #define Mx(r, i) Mx_(Z ## r ## i)
297 #define Mx_(n) Mx__(n)
298 #define Mx__(n) M ## n
299 
300 #define CSx(r, i) CSx_(Z ## r ## i)
301 #define CSx_(n) CSx__(n)
302 #define CSx__(n) CS ## n
303 
304 #define CS0 SPH_C32(0x243F6A88)
305 #define CS1 SPH_C32(0x85A308D3)
306 #define CS2 SPH_C32(0x13198A2E)
307 #define CS3 SPH_C32(0x03707344)
308 #define CS4 SPH_C32(0xA4093822)
309 #define CS5 SPH_C32(0x299F31D0)
310 #define CS6 SPH_C32(0x082EFA98)
311 #define CS7 SPH_C32(0xEC4E6C89)
312 #define CS8 SPH_C32(0x452821E6)
313 #define CS9 SPH_C32(0x38D01377)
314 #define CSA SPH_C32(0xBE5466CF)
315 #define CSB SPH_C32(0x34E90C6C)
316 #define CSC SPH_C32(0xC0AC29B7)
317 #define CSD SPH_C32(0xC97C50DD)
318 #define CSE SPH_C32(0x3F84D5B5)
319 #define CSF SPH_C32(0xB5470917)
320 
321 #if SPH_COMPACT_BLAKE_32
322 
323 static const sph_u32 CS[16] = {
324  SPH_C32(0x243F6A88), SPH_C32(0x85A308D3),
325  SPH_C32(0x13198A2E), SPH_C32(0x03707344),
326  SPH_C32(0xA4093822), SPH_C32(0x299F31D0),
327  SPH_C32(0x082EFA98), SPH_C32(0xEC4E6C89),
328  SPH_C32(0x452821E6), SPH_C32(0x38D01377),
329  SPH_C32(0xBE5466CF), SPH_C32(0x34E90C6C),
330  SPH_C32(0xC0AC29B7), SPH_C32(0xC97C50DD),
331  SPH_C32(0x3F84D5B5), SPH_C32(0xB5470917)
332 };
333 
334 #endif
335 
336 #if SPH_64
337 
338 #define CBx(r, i) CBx_(Z ## r ## i)
339 #define CBx_(n) CBx__(n)
340 #define CBx__(n) CB ## n
341 
342 #define CB0 SPH_C64(0x243F6A8885A308D3)
343 #define CB1 SPH_C64(0x13198A2E03707344)
344 #define CB2 SPH_C64(0xA4093822299F31D0)
345 #define CB3 SPH_C64(0x082EFA98EC4E6C89)
346 #define CB4 SPH_C64(0x452821E638D01377)
347 #define CB5 SPH_C64(0xBE5466CF34E90C6C)
348 #define CB6 SPH_C64(0xC0AC29B7C97C50DD)
349 #define CB7 SPH_C64(0x3F84D5B5B5470917)
350 #define CB8 SPH_C64(0x9216D5D98979FB1B)
351 #define CB9 SPH_C64(0xD1310BA698DFB5AC)
352 #define CBA SPH_C64(0x2FFD72DBD01ADFB7)
353 #define CBB SPH_C64(0xB8E1AFED6A267E96)
354 #define CBC SPH_C64(0xBA7C9045F12C7F99)
355 #define CBD SPH_C64(0x24A19947B3916CF7)
356 #define CBE SPH_C64(0x0801F2E2858EFC16)
357 #define CBF SPH_C64(0x636920D871574E69)
358 
359 #if SPH_COMPACT_BLAKE_64
360 
361 static const sph_u64 CB[16] = {
362  SPH_C64(0x243F6A8885A308D3), SPH_C64(0x13198A2E03707344),
363  SPH_C64(0xA4093822299F31D0), SPH_C64(0x082EFA98EC4E6C89),
364  SPH_C64(0x452821E638D01377), SPH_C64(0xBE5466CF34E90C6C),
365  SPH_C64(0xC0AC29B7C97C50DD), SPH_C64(0x3F84D5B5B5470917),
366  SPH_C64(0x9216D5D98979FB1B), SPH_C64(0xD1310BA698DFB5AC),
367  SPH_C64(0x2FFD72DBD01ADFB7), SPH_C64(0xB8E1AFED6A267E96),
368  SPH_C64(0xBA7C9045F12C7F99), SPH_C64(0x24A19947B3916CF7),
369  SPH_C64(0x0801F2E2858EFC16), SPH_C64(0x636920D871574E69)
370 };
371 
372 #endif
373 
374 #endif
375 
376 #define GS(m0, m1, c0, c1, a, b, c, d) do { \
377  a = SPH_T32(a + b + (m0 ^ c1)); \
378  d = SPH_ROTR32(d ^ a, 16); \
379  c = SPH_T32(c + d); \
380  b = SPH_ROTR32(b ^ c, 12); \
381  a = SPH_T32(a + b + (m1 ^ c0)); \
382  d = SPH_ROTR32(d ^ a, 8); \
383  c = SPH_T32(c + d); \
384  b = SPH_ROTR32(b ^ c, 7); \
385  } while (0)
386 
387 #if SPH_COMPACT_BLAKE_32
388 
389 #define ROUND_S(r) do { \
390  GS(M[sigma[r][0x0]], M[sigma[r][0x1]], \
391  CS[sigma[r][0x0]], CS[sigma[r][0x1]], V0, V4, V8, VC); \
392  GS(M[sigma[r][0x2]], M[sigma[r][0x3]], \
393  CS[sigma[r][0x2]], CS[sigma[r][0x3]], V1, V5, V9, VD); \
394  GS(M[sigma[r][0x4]], M[sigma[r][0x5]], \
395  CS[sigma[r][0x4]], CS[sigma[r][0x5]], V2, V6, VA, VE); \
396  GS(M[sigma[r][0x6]], M[sigma[r][0x7]], \
397  CS[sigma[r][0x6]], CS[sigma[r][0x7]], V3, V7, VB, VF); \
398  GS(M[sigma[r][0x8]], M[sigma[r][0x9]], \
399  CS[sigma[r][0x8]], CS[sigma[r][0x9]], V0, V5, VA, VF); \
400  GS(M[sigma[r][0xA]], M[sigma[r][0xB]], \
401  CS[sigma[r][0xA]], CS[sigma[r][0xB]], V1, V6, VB, VC); \
402  GS(M[sigma[r][0xC]], M[sigma[r][0xD]], \
403  CS[sigma[r][0xC]], CS[sigma[r][0xD]], V2, V7, V8, VD); \
404  GS(M[sigma[r][0xE]], M[sigma[r][0xF]], \
405  CS[sigma[r][0xE]], CS[sigma[r][0xF]], V3, V4, V9, VE); \
406  } while (0)
407 
408 #else
409 
410 #define ROUND_S(r) do { \
411  GS(Mx(r, 0), Mx(r, 1), CSx(r, 0), CSx(r, 1), V0, V4, V8, VC); \
412  GS(Mx(r, 2), Mx(r, 3), CSx(r, 2), CSx(r, 3), V1, V5, V9, VD); \
413  GS(Mx(r, 4), Mx(r, 5), CSx(r, 4), CSx(r, 5), V2, V6, VA, VE); \
414  GS(Mx(r, 6), Mx(r, 7), CSx(r, 6), CSx(r, 7), V3, V7, VB, VF); \
415  GS(Mx(r, 8), Mx(r, 9), CSx(r, 8), CSx(r, 9), V0, V5, VA, VF); \
416  GS(Mx(r, A), Mx(r, B), CSx(r, A), CSx(r, B), V1, V6, VB, VC); \
417  GS(Mx(r, C), Mx(r, D), CSx(r, C), CSx(r, D), V2, V7, V8, VD); \
418  GS(Mx(r, E), Mx(r, F), CSx(r, E), CSx(r, F), V3, V4, V9, VE); \
419  } while (0)
420 
421 #endif
422 
423 #if SPH_64
424 
425 #define GB(m0, m1, c0, c1, a, b, c, d) do { \
426  a = SPH_T64(a + b + (m0 ^ c1)); \
427  d = SPH_ROTR64(d ^ a, 32); \
428  c = SPH_T64(c + d); \
429  b = SPH_ROTR64(b ^ c, 25); \
430  a = SPH_T64(a + b + (m1 ^ c0)); \
431  d = SPH_ROTR64(d ^ a, 16); \
432  c = SPH_T64(c + d); \
433  b = SPH_ROTR64(b ^ c, 11); \
434  } while (0)
435 
436 #if SPH_COMPACT_BLAKE_64
437 
438 #define ROUND_B(r) do { \
439  GB(M[sigma[r][0x0]], M[sigma[r][0x1]], \
440  CB[sigma[r][0x0]], CB[sigma[r][0x1]], V0, V4, V8, VC); \
441  GB(M[sigma[r][0x2]], M[sigma[r][0x3]], \
442  CB[sigma[r][0x2]], CB[sigma[r][0x3]], V1, V5, V9, VD); \
443  GB(M[sigma[r][0x4]], M[sigma[r][0x5]], \
444  CB[sigma[r][0x4]], CB[sigma[r][0x5]], V2, V6, VA, VE); \
445  GB(M[sigma[r][0x6]], M[sigma[r][0x7]], \
446  CB[sigma[r][0x6]], CB[sigma[r][0x7]], V3, V7, VB, VF); \
447  GB(M[sigma[r][0x8]], M[sigma[r][0x9]], \
448  CB[sigma[r][0x8]], CB[sigma[r][0x9]], V0, V5, VA, VF); \
449  GB(M[sigma[r][0xA]], M[sigma[r][0xB]], \
450  CB[sigma[r][0xA]], CB[sigma[r][0xB]], V1, V6, VB, VC); \
451  GB(M[sigma[r][0xC]], M[sigma[r][0xD]], \
452  CB[sigma[r][0xC]], CB[sigma[r][0xD]], V2, V7, V8, VD); \
453  GB(M[sigma[r][0xE]], M[sigma[r][0xF]], \
454  CB[sigma[r][0xE]], CB[sigma[r][0xF]], V3, V4, V9, VE); \
455  } while (0)
456 
457 #else
458 
459 #define ROUND_B(r) do { \
460  GB(Mx(r, 0), Mx(r, 1), CBx(r, 0), CBx(r, 1), V0, V4, V8, VC); \
461  GB(Mx(r, 2), Mx(r, 3), CBx(r, 2), CBx(r, 3), V1, V5, V9, VD); \
462  GB(Mx(r, 4), Mx(r, 5), CBx(r, 4), CBx(r, 5), V2, V6, VA, VE); \
463  GB(Mx(r, 6), Mx(r, 7), CBx(r, 6), CBx(r, 7), V3, V7, VB, VF); \
464  GB(Mx(r, 8), Mx(r, 9), CBx(r, 8), CBx(r, 9), V0, V5, VA, VF); \
465  GB(Mx(r, A), Mx(r, B), CBx(r, A), CBx(r, B), V1, V6, VB, VC); \
466  GB(Mx(r, C), Mx(r, D), CBx(r, C), CBx(r, D), V2, V7, V8, VD); \
467  GB(Mx(r, E), Mx(r, F), CBx(r, E), CBx(r, F), V3, V4, V9, VE); \
468  } while (0)
469 
470 #endif
471 
472 #endif
473 
474 #define DECL_STATE32 \
475  sph_u32 H0, H1, H2, H3, H4, H5, H6, H7; \
476  sph_u32 S0, S1, S2, S3, T0, T1;
477 
478 #define READ_STATE32(state) do { \
479  H0 = (state)->H[0]; \
480  H1 = (state)->H[1]; \
481  H2 = (state)->H[2]; \
482  H3 = (state)->H[3]; \
483  H4 = (state)->H[4]; \
484  H5 = (state)->H[5]; \
485  H6 = (state)->H[6]; \
486  H7 = (state)->H[7]; \
487  S0 = (state)->S[0]; \
488  S1 = (state)->S[1]; \
489  S2 = (state)->S[2]; \
490  S3 = (state)->S[3]; \
491  T0 = (state)->T0; \
492  T1 = (state)->T1; \
493  } while (0)
494 
495 #define WRITE_STATE32(state) do { \
496  (state)->H[0] = H0; \
497  (state)->H[1] = H1; \
498  (state)->H[2] = H2; \
499  (state)->H[3] = H3; \
500  (state)->H[4] = H4; \
501  (state)->H[5] = H5; \
502  (state)->H[6] = H6; \
503  (state)->H[7] = H7; \
504  (state)->S[0] = S0; \
505  (state)->S[1] = S1; \
506  (state)->S[2] = S2; \
507  (state)->S[3] = S3; \
508  (state)->T0 = T0; \
509  (state)->T1 = T1; \
510  } while (0)
511 
512 #if SPH_COMPACT_BLAKE_32
513 
514 #define COMPRESS32 do { \
515  sph_u32 M[16]; \
516  sph_u32 V0, V1, V2, V3, V4, V5, V6, V7; \
517  sph_u32 V8, V9, VA, VB, VC, VD, VE, VF; \
518  unsigned r; \
519  V0 = H0; \
520  V1 = H1; \
521  V2 = H2; \
522  V3 = H3; \
523  V4 = H4; \
524  V5 = H5; \
525  V6 = H6; \
526  V7 = H7; \
527  V8 = S0 ^ CS0; \
528  V9 = S1 ^ CS1; \
529  VA = S2 ^ CS2; \
530  VB = S3 ^ CS3; \
531  VC = T0 ^ CS4; \
532  VD = T0 ^ CS5; \
533  VE = T1 ^ CS6; \
534  VF = T1 ^ CS7; \
535  M[0x0] = sph_dec32be_aligned(buf + 0); \
536  M[0x1] = sph_dec32be_aligned(buf + 4); \
537  M[0x2] = sph_dec32be_aligned(buf + 8); \
538  M[0x3] = sph_dec32be_aligned(buf + 12); \
539  M[0x4] = sph_dec32be_aligned(buf + 16); \
540  M[0x5] = sph_dec32be_aligned(buf + 20); \
541  M[0x6] = sph_dec32be_aligned(buf + 24); \
542  M[0x7] = sph_dec32be_aligned(buf + 28); \
543  M[0x8] = sph_dec32be_aligned(buf + 32); \
544  M[0x9] = sph_dec32be_aligned(buf + 36); \
545  M[0xA] = sph_dec32be_aligned(buf + 40); \
546  M[0xB] = sph_dec32be_aligned(buf + 44); \
547  M[0xC] = sph_dec32be_aligned(buf + 48); \
548  M[0xD] = sph_dec32be_aligned(buf + 52); \
549  M[0xE] = sph_dec32be_aligned(buf + 56); \
550  M[0xF] = sph_dec32be_aligned(buf + 60); \
551  for (r = 0; r < 14; r ++) \
552  ROUND_S(r); \
553  H0 ^= S0 ^ V0 ^ V8; \
554  H1 ^= S1 ^ V1 ^ V9; \
555  H2 ^= S2 ^ V2 ^ VA; \
556  H3 ^= S3 ^ V3 ^ VB; \
557  H4 ^= S0 ^ V4 ^ VC; \
558  H5 ^= S1 ^ V5 ^ VD; \
559  H6 ^= S2 ^ V6 ^ VE; \
560  H7 ^= S3 ^ V7 ^ VF; \
561  } while (0)
562 
563 #else
564 
565 #define COMPRESS32 do { \
566  sph_u32 M0, M1, M2, M3, M4, M5, M6, M7; \
567  sph_u32 M8, M9, MA, MB, MC, MD, ME, MF; \
568  sph_u32 V0, V1, V2, V3, V4, V5, V6, V7; \
569  sph_u32 V8, V9, VA, VB, VC, VD, VE, VF; \
570  V0 = H0; \
571  V1 = H1; \
572  V2 = H2; \
573  V3 = H3; \
574  V4 = H4; \
575  V5 = H5; \
576  V6 = H6; \
577  V7 = H7; \
578  V8 = S0 ^ CS0; \
579  V9 = S1 ^ CS1; \
580  VA = S2 ^ CS2; \
581  VB = S3 ^ CS3; \
582  VC = T0 ^ CS4; \
583  VD = T0 ^ CS5; \
584  VE = T1 ^ CS6; \
585  VF = T1 ^ CS7; \
586  M0 = sph_dec32be_aligned(buf + 0); \
587  M1 = sph_dec32be_aligned(buf + 4); \
588  M2 = sph_dec32be_aligned(buf + 8); \
589  M3 = sph_dec32be_aligned(buf + 12); \
590  M4 = sph_dec32be_aligned(buf + 16); \
591  M5 = sph_dec32be_aligned(buf + 20); \
592  M6 = sph_dec32be_aligned(buf + 24); \
593  M7 = sph_dec32be_aligned(buf + 28); \
594  M8 = sph_dec32be_aligned(buf + 32); \
595  M9 = sph_dec32be_aligned(buf + 36); \
596  MA = sph_dec32be_aligned(buf + 40); \
597  MB = sph_dec32be_aligned(buf + 44); \
598  MC = sph_dec32be_aligned(buf + 48); \
599  MD = sph_dec32be_aligned(buf + 52); \
600  ME = sph_dec32be_aligned(buf + 56); \
601  MF = sph_dec32be_aligned(buf + 60); \
602  ROUND_S(0); \
603  ROUND_S(1); \
604  ROUND_S(2); \
605  ROUND_S(3); \
606  ROUND_S(4); \
607  ROUND_S(5); \
608  ROUND_S(6); \
609  ROUND_S(7); \
610  ROUND_S(8); \
611  ROUND_S(9); \
612  ROUND_S(0); \
613  ROUND_S(1); \
614  ROUND_S(2); \
615  ROUND_S(3); \
616  H0 ^= S0 ^ V0 ^ V8; \
617  H1 ^= S1 ^ V1 ^ V9; \
618  H2 ^= S2 ^ V2 ^ VA; \
619  H3 ^= S3 ^ V3 ^ VB; \
620  H4 ^= S0 ^ V4 ^ VC; \
621  H5 ^= S1 ^ V5 ^ VD; \
622  H6 ^= S2 ^ V6 ^ VE; \
623  H7 ^= S3 ^ V7 ^ VF; \
624  } while (0)
625 
626 #endif
627 
628 #if SPH_64
629 
630 #define DECL_STATE64 \
631  sph_u64 H0, H1, H2, H3, H4, H5, H6, H7; \
632  sph_u64 S0, S1, S2, S3, T0, T1;
633 
634 #define READ_STATE64(state) do { \
635  H0 = (state)->H[0]; \
636  H1 = (state)->H[1]; \
637  H2 = (state)->H[2]; \
638  H3 = (state)->H[3]; \
639  H4 = (state)->H[4]; \
640  H5 = (state)->H[5]; \
641  H6 = (state)->H[6]; \
642  H7 = (state)->H[7]; \
643  S0 = (state)->S[0]; \
644  S1 = (state)->S[1]; \
645  S2 = (state)->S[2]; \
646  S3 = (state)->S[3]; \
647  T0 = (state)->T0; \
648  T1 = (state)->T1; \
649  } while (0)
650 
651 #define WRITE_STATE64(state) do { \
652  (state)->H[0] = H0; \
653  (state)->H[1] = H1; \
654  (state)->H[2] = H2; \
655  (state)->H[3] = H3; \
656  (state)->H[4] = H4; \
657  (state)->H[5] = H5; \
658  (state)->H[6] = H6; \
659  (state)->H[7] = H7; \
660  (state)->S[0] = S0; \
661  (state)->S[1] = S1; \
662  (state)->S[2] = S2; \
663  (state)->S[3] = S3; \
664  (state)->T0 = T0; \
665  (state)->T1 = T1; \
666  } while (0)
667 
668 #if SPH_COMPACT_BLAKE_64
669 
670 #define COMPRESS64 do { \
671  sph_u64 M[16]; \
672  sph_u64 V0, V1, V2, V3, V4, V5, V6, V7; \
673  sph_u64 V8, V9, VA, VB, VC, VD, VE, VF; \
674  unsigned r; \
675  V0 = H0; \
676  V1 = H1; \
677  V2 = H2; \
678  V3 = H3; \
679  V4 = H4; \
680  V5 = H5; \
681  V6 = H6; \
682  V7 = H7; \
683  V8 = S0 ^ CB0; \
684  V9 = S1 ^ CB1; \
685  VA = S2 ^ CB2; \
686  VB = S3 ^ CB3; \
687  VC = T0 ^ CB4; \
688  VD = T0 ^ CB5; \
689  VE = T1 ^ CB6; \
690  VF = T1 ^ CB7; \
691  M[0x0] = sph_dec64be_aligned(buf + 0); \
692  M[0x1] = sph_dec64be_aligned(buf + 8); \
693  M[0x2] = sph_dec64be_aligned(buf + 16); \
694  M[0x3] = sph_dec64be_aligned(buf + 24); \
695  M[0x4] = sph_dec64be_aligned(buf + 32); \
696  M[0x5] = sph_dec64be_aligned(buf + 40); \
697  M[0x6] = sph_dec64be_aligned(buf + 48); \
698  M[0x7] = sph_dec64be_aligned(buf + 56); \
699  M[0x8] = sph_dec64be_aligned(buf + 64); \
700  M[0x9] = sph_dec64be_aligned(buf + 72); \
701  M[0xA] = sph_dec64be_aligned(buf + 80); \
702  M[0xB] = sph_dec64be_aligned(buf + 88); \
703  M[0xC] = sph_dec64be_aligned(buf + 96); \
704  M[0xD] = sph_dec64be_aligned(buf + 104); \
705  M[0xE] = sph_dec64be_aligned(buf + 112); \
706  M[0xF] = sph_dec64be_aligned(buf + 120); \
707  for (r = 0; r < 16; r ++) \
708  ROUND_B(r); \
709  H0 ^= S0 ^ V0 ^ V8; \
710  H1 ^= S1 ^ V1 ^ V9; \
711  H2 ^= S2 ^ V2 ^ VA; \
712  H3 ^= S3 ^ V3 ^ VB; \
713  H4 ^= S0 ^ V4 ^ VC; \
714  H5 ^= S1 ^ V5 ^ VD; \
715  H6 ^= S2 ^ V6 ^ VE; \
716  H7 ^= S3 ^ V7 ^ VF; \
717  } while (0)
718 
719 #else
720 
721 #define COMPRESS64 do { \
722  sph_u64 M0, M1, M2, M3, M4, M5, M6, M7; \
723  sph_u64 M8, M9, MA, MB, MC, MD, ME, MF; \
724  sph_u64 V0, V1, V2, V3, V4, V5, V6, V7; \
725  sph_u64 V8, V9, VA, VB, VC, VD, VE, VF; \
726  V0 = H0; \
727  V1 = H1; \
728  V2 = H2; \
729  V3 = H3; \
730  V4 = H4; \
731  V5 = H5; \
732  V6 = H6; \
733  V7 = H7; \
734  V8 = S0 ^ CB0; \
735  V9 = S1 ^ CB1; \
736  VA = S2 ^ CB2; \
737  VB = S3 ^ CB3; \
738  VC = T0 ^ CB4; \
739  VD = T0 ^ CB5; \
740  VE = T1 ^ CB6; \
741  VF = T1 ^ CB7; \
742  M0 = sph_dec64be_aligned(buf + 0); \
743  M1 = sph_dec64be_aligned(buf + 8); \
744  M2 = sph_dec64be_aligned(buf + 16); \
745  M3 = sph_dec64be_aligned(buf + 24); \
746  M4 = sph_dec64be_aligned(buf + 32); \
747  M5 = sph_dec64be_aligned(buf + 40); \
748  M6 = sph_dec64be_aligned(buf + 48); \
749  M7 = sph_dec64be_aligned(buf + 56); \
750  M8 = sph_dec64be_aligned(buf + 64); \
751  M9 = sph_dec64be_aligned(buf + 72); \
752  MA = sph_dec64be_aligned(buf + 80); \
753  MB = sph_dec64be_aligned(buf + 88); \
754  MC = sph_dec64be_aligned(buf + 96); \
755  MD = sph_dec64be_aligned(buf + 104); \
756  ME = sph_dec64be_aligned(buf + 112); \
757  MF = sph_dec64be_aligned(buf + 120); \
758  ROUND_B(0); \
759  ROUND_B(1); \
760  ROUND_B(2); \
761  ROUND_B(3); \
762  ROUND_B(4); \
763  ROUND_B(5); \
764  ROUND_B(6); \
765  ROUND_B(7); \
766  ROUND_B(8); \
767  ROUND_B(9); \
768  ROUND_B(0); \
769  ROUND_B(1); \
770  ROUND_B(2); \
771  ROUND_B(3); \
772  ROUND_B(4); \
773  ROUND_B(5); \
774  H0 ^= S0 ^ V0 ^ V8; \
775  H1 ^= S1 ^ V1 ^ V9; \
776  H2 ^= S2 ^ V2 ^ VA; \
777  H3 ^= S3 ^ V3 ^ VB; \
778  H4 ^= S0 ^ V4 ^ VC; \
779  H5 ^= S1 ^ V5 ^ VD; \
780  H6 ^= S2 ^ V6 ^ VE; \
781  H7 ^= S3 ^ V7 ^ VF; \
782  } while (0)
783 
784 #endif
785 
786 #endif
787 
788 static const sph_u32 salt_zero_small[4] = { 0, 0, 0, 0 };
789 
790 static void
791 blake32_init(sph_blake_small_context *sc,
792  const sph_u32 *iv, const sph_u32 *salt)
793 {
794  memcpy(sc->H, iv, 8 * sizeof(sph_u32));
795  memcpy(sc->S, salt, 4 * sizeof(sph_u32));
796  sc->T0 = sc->T1 = 0;
797  sc->ptr = 0;
798 }
799 
800 static void
801 blake32(sph_blake_small_context *sc, const void *data, size_t len)
802 {
803  unsigned char *buf;
804  size_t ptr;
805  DECL_STATE32
806 
807  buf = sc->buf;
808  ptr = sc->ptr;
809  if (len < (sizeof sc->buf) - ptr) {
810  memcpy(buf + ptr, data, len);
811  ptr += len;
812  sc->ptr = ptr;
813  return;
814  }
815 
816  READ_STATE32(sc);
817  while (len > 0) {
818  size_t clen;
819 
820  clen = (sizeof sc->buf) - ptr;
821  if (clen > len)
822  clen = len;
823  memcpy(buf + ptr, data, clen);
824  ptr += clen;
825  data = (const unsigned char *)data + clen;
826  len -= clen;
827  if (ptr == sizeof sc->buf) {
828  if ((T0 = SPH_T32(T0 + 512)) < 512)
829  T1 = SPH_T32(T1 + 1);
830  COMPRESS32;
831  ptr = 0;
832  }
833  }
834  WRITE_STATE32(sc);
835  sc->ptr = ptr;
836 }
837 
838 static void
839 blake32_close(sph_blake_small_context *sc,
840  unsigned ub, unsigned n, void *dst, size_t out_size_w32)
841 {
842  union {
843  unsigned char buf[64];
844  sph_u32 dummy;
845  } u;
846  size_t ptr, k;
847  unsigned bit_len;
848  unsigned z;
849  sph_u32 th, tl;
850  unsigned char *out;
851 
852  ptr = sc->ptr;
853  bit_len = ((unsigned)ptr << 3) + n;
854  z = 0x80 >> n;
855  u.buf[ptr] = ((ub & -z) | z) & 0xFF;
856  tl = sc->T0 + bit_len;
857  th = sc->T1;
858  if (ptr == 0 && n == 0) {
859  sc->T0 = SPH_C32(0xFFFFFE00);
860  sc->T1 = SPH_C32(0xFFFFFFFF);
861  } else if (sc->T0 == 0) {
862  sc->T0 = SPH_C32(0xFFFFFE00) + bit_len;
863  sc->T1 = SPH_T32(sc->T1 - 1);
864  } else {
865  sc->T0 -= 512 - bit_len;
866  }
867  if (bit_len <= 446) {
868  memset(u.buf + ptr + 1, 0, 55 - ptr);
869  if (out_size_w32 == 8)
870  u.buf[55] |= 1;
871  sph_enc32be_aligned(u.buf + 56, th);
872  sph_enc32be_aligned(u.buf + 60, tl);
873  blake32(sc, u.buf + ptr, 64 - ptr);
874  } else {
875  memset(u.buf + ptr + 1, 0, 63 - ptr);
876  blake32(sc, u.buf + ptr, 64 - ptr);
877  sc->T0 = SPH_C32(0xFFFFFE00);
878  sc->T1 = SPH_C32(0xFFFFFFFF);
879  memset(u.buf, 0, 56);
880  if (out_size_w32 == 8)
881  u.buf[55] = 1;
882  sph_enc32be_aligned(u.buf + 56, th);
883  sph_enc32be_aligned(u.buf + 60, tl);
884  blake32(sc, u.buf, 64);
885  }
886  out = dst;
887  for (k = 0; k < out_size_w32; k ++)
888  sph_enc32be(out + (k << 2), sc->H[k]);
889 }
890 
891 #if SPH_64
892 
893 static const sph_u64 salt_zero_big[4] = { 0, 0, 0, 0 };
894 
895 static void
896 blake64_init(sph_blake_big_context *sc,
897  const sph_u64 *iv, const sph_u64 *salt)
898 {
899  memcpy(sc->H, iv, 8 * sizeof(sph_u64));
900  memcpy(sc->S, salt, 4 * sizeof(sph_u64));
901  sc->T0 = sc->T1 = 0;
902  sc->ptr = 0;
903 }
904 
905 static void
906 blake64(sph_blake_big_context *sc, const void *data, size_t len)
907 {
908  unsigned char *buf;
909  size_t ptr;
910  DECL_STATE64
911 
912  buf = sc->buf;
913  ptr = sc->ptr;
914  if (len < (sizeof sc->buf) - ptr) {
915  memcpy(buf + ptr, data, len);
916  ptr += len;
917  sc->ptr = ptr;
918  return;
919  }
920 
921  READ_STATE64(sc);
922  while (len > 0) {
923  size_t clen;
924 
925  clen = (sizeof sc->buf) - ptr;
926  if (clen > len)
927  clen = len;
928  memcpy(buf + ptr, data, clen);
929  ptr += clen;
930  data = (const unsigned char *)data + clen;
931  len -= clen;
932  if (ptr == sizeof sc->buf) {
933  if ((T0 = SPH_T64(T0 + 1024)) < 1024)
934  T1 = SPH_T64(T1 + 1);
935  COMPRESS64;
936  ptr = 0;
937  }
938  }
939  WRITE_STATE64(sc);
940  sc->ptr = ptr;
941 }
942 
943 static void
944 blake64_close(sph_blake_big_context *sc,
945  unsigned ub, unsigned n, void *dst, size_t out_size_w64)
946 {
947  union {
948  unsigned char buf[128];
949  sph_u64 dummy;
950  } u;
951  size_t ptr, k;
952  unsigned bit_len;
953  unsigned z;
954  sph_u64 th, tl;
955  unsigned char *out;
956 
957  ptr = sc->ptr;
958  bit_len = ((unsigned)ptr << 3) + n;
959  z = 0x80 >> n;
960  u.buf[ptr] = ((ub & -z) | z) & 0xFF;
961  tl = sc->T0 + bit_len;
962  th = sc->T1;
963  if (ptr == 0 && n == 0) {
964  sc->T0 = SPH_C64(0xFFFFFFFFFFFFFC00);
965  sc->T1 = SPH_C64(0xFFFFFFFFFFFFFFFF);
966  } else if (sc->T0 == 0) {
967  sc->T0 = SPH_C64(0xFFFFFFFFFFFFFC00) + bit_len;
968  sc->T1 = SPH_T64(sc->T1 - 1);
969  } else {
970  sc->T0 -= 1024 - bit_len;
971  }
972  if (bit_len <= 894) {
973  memset(u.buf + ptr + 1, 0, 111 - ptr);
974  if (out_size_w64 == 8)
975  u.buf[111] |= 1;
976  sph_enc64be_aligned(u.buf + 112, th);
977  sph_enc64be_aligned(u.buf + 120, tl);
978  blake64(sc, u.buf + ptr, 128 - ptr);
979  } else {
980  memset(u.buf + ptr + 1, 0, 127 - ptr);
981  blake64(sc, u.buf + ptr, 128 - ptr);
982  sc->T0 = SPH_C64(0xFFFFFFFFFFFFFC00);
983  sc->T1 = SPH_C64(0xFFFFFFFFFFFFFFFF);
984  memset(u.buf, 0, 112);
985  if (out_size_w64 == 8)
986  u.buf[111] = 1;
987  sph_enc64be_aligned(u.buf + 112, th);
988  sph_enc64be_aligned(u.buf + 120, tl);
989  blake64(sc, u.buf, 128);
990  }
991  out = dst;
992  for (k = 0; k < out_size_w64; k ++)
993  sph_enc64be(out + (k << 3), sc->H[k]);
994 }
995 
996 #endif
997 
998 /* see sph_blake.h */
999 void
1000 sph_blake224_init(void *cc)
1001 {
1002  blake32_init(cc, IV224, salt_zero_small);
1003 }
1004 
1005 /* see sph_blake.h */
1006 void
1007 sph_blake224(void *cc, const void *data, size_t len)
1008 {
1009  blake32(cc, data, len);
1010 }
1011 
1012 /* see sph_blake.h */
1013 void
1014 sph_blake224_close(void *cc, void *dst)
1015 {
1016  sph_blake224_addbits_and_close(cc, 0, 0, dst);
1017 }
1018 
1019 /* see sph_blake.h */
1020 void
1021 sph_blake224_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
1022 {
1023  blake32_close(cc, ub, n, dst, 7);
1024  sph_blake224_init(cc);
1025 }
1026 
1027 /* see sph_blake.h */
1028 void
1029 sph_blake256_init(void *cc)
1030 {
1031  blake32_init(cc, IV256, salt_zero_small);
1032 }
1033 
1034 /* see sph_blake.h */
1035 void
1036 sph_blake256(void *cc, const void *data, size_t len)
1037 {
1038  blake32(cc, data, len);
1039 }
1040 
1041 /* see sph_blake.h */
1042 void
1043 sph_blake256_close(void *cc, void *dst)
1044 {
1045  sph_blake256_addbits_and_close(cc, 0, 0, dst);
1046 }
1047 
1048 /* see sph_blake.h */
1049 void
1050 sph_blake256_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
1051 {
1052  blake32_close(cc, ub, n, dst, 8);
1053  sph_blake256_init(cc);
1054 }
1055 
1056 #if SPH_64
1057 
1058 /* see sph_blake.h */
1059 void
1060 sph_blake384_init(void *cc)
1061 {
1062  blake64_init(cc, IV384, salt_zero_big);
1063 }
1064 
1065 /* see sph_blake.h */
1066 void
1067 sph_blake384(void *cc, const void *data, size_t len)
1068 {
1069  blake64(cc, data, len);
1070 }
1071 
1072 /* see sph_blake.h */
1073 void
1074 sph_blake384_close(void *cc, void *dst)
1075 {
1076  sph_blake384_addbits_and_close(cc, 0, 0, dst);
1077 }
1078 
1079 /* see sph_blake.h */
1080 void
1081 sph_blake384_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
1082 {
1083  blake64_close(cc, ub, n, dst, 6);
1084  sph_blake384_init(cc);
1085 }
1086 
1087 /* see sph_blake.h */
1088 void
1089 sph_blake512_init(void *cc)
1090 {
1091  blake64_init(cc, IV512, salt_zero_big);
1092 }
1093 
1094 /* see sph_blake.h */
1095 void
1096 sph_blake512(void *cc, const void *data, size_t len)
1097 {
1098  blake64(cc, data, len);
1099 }
1100 
1101 /* see sph_blake.h */
1102 void
1103 sph_blake512_close(void *cc, void *dst)
1104 {
1105  sph_blake512_addbits_and_close(cc, 0, 0, dst);
1106 }
1107 
1108 /* see sph_blake.h */
1109 void
1110 sph_blake512_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
1111 {
1112  blake64_close(cc, ub, n, dst, 8);
1113  sph_blake512_init(cc);
1114 }
1115 
1116 #endif
1117 
1118 #ifdef __cplusplus
1119 }
1120 #endif
sph_blake224_close
void sph_blake224_close(void *cc, void *dst)
Terminate the current BLAKE-224 computation and output the result into the provided buffer.
Definition: blake.c:1014
WRITE_STATE32
#define WRITE_STATE32(state)
Definition: blake.c:495
sph_blake224_init
void sph_blake224_init(void *cc)
Initialize a BLAKE-224 context.
Definition: blake.c:1000
sph_blake256_addbits_and_close
void sph_blake256_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
Add a few additional bits (0 to 7) to the current computation, then terminate it and output the resul...
Definition: blake.c:1050
DECL_STATE32
#define DECL_STATE32
Definition: blake.c:474
sph_blake224_addbits_and_close
void sph_blake224_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst)
Add a few additional bits (0 to 7) to the current computation, then terminate it and output the resul...
Definition: blake.c:1021
READ_STATE32
#define READ_STATE32(state)
Definition: blake.c:478
COMPRESS32
#define COMPRESS32
Definition: blake.c:565
sph_blake256_init
void sph_blake256_init(void *cc)
Initialize a BLAKE-256 context.
Definition: blake.c:1029
sph_blake256
void sph_blake256(void *cc, const void *data, size_t len)
Process some data bytes.
Definition: blake.c:1036
sph_blake224
void sph_blake224(void *cc, const void *data, size_t len)
Process some data bytes.
Definition: blake.c:1007
sph_blake256_close
void sph_blake256_close(void *cc, void *dst)
Terminate the current BLAKE-256 computation and output the result into the provided buffer.
Definition: blake.c:1043
memcpy
void * memcpy(void *a, const void *b, size_t c)
Definition: glibc_compat.cpp:18
sph_blake.h
BLAKE interface.
SPH_T32
#define SPH_T32(x)
Definition: sph_types.h:932
SPH_C32
#define SPH_C32(x)
Definition: sph_types.h:873
sph_u32
unsigned long sph_u32
Definition: sph_types.h:870
sph_blake_small_context
This structure is a context for BLAKE-224 and BLAKE-256 computations: it contains the intermediate va...
Definition: sph_blake.h:81
sph_blake_small_context::H
sph_u32 H[8]
Definition: sph_blake.h:85
sph_blake_small_context::T0
sph_u32 T0
Definition: sph_blake.h:87
sph_blake_small_context::T1
sph_u32 T1
Definition: sph_blake.h:87
sph_blake_small_context::ptr
size_t ptr
Definition: sph_blake.h:84
sph_blake_small_context::S
sph_u32 S[4]
Definition: sph_blake.h:86
sph_blake_small_context::buf
unsigned char buf[64]
Definition: sph_blake.h:83
Generated on Wed Apr 2 2025 00:40:27 for PIVX Core by doxygen 1.9.1