File: blake2-dispatch.c

package info (click to toggle)
libb2 0.98.1-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 1,304 kB
  • sloc: ansic: 19,855; makefile: 128; sh: 13
file content (577 lines) | stat: -rw-r--r-- 19,123 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
/*
   BLAKE2 reference source code package - optimized C implementations

   Written in 2012 by Samuel Neves <sneves@dei.uc.pt>

   To the extent possible under law, the author(s) have dedicated all copyright
   and related and neighboring rights to this software to the public domain
   worldwide. This software is distributed without any warranty.

   You should have received a copy of the CC0 Public Domain Dedication along with
   this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
*/
#include <stdio.h>
#if defined(WIN32)
#include <windows.h>
#endif
#include "blake2.h"

#if defined(__x86_64__) || defined(__i386__) || defined(_M_IX86) || defined(_M_X64)
#define HAVE_X86
#endif

typedef enum
{
  NONE  = 0,
#if defined(HAVE_X86)
  SSE2  = 1,
  SSSE3 = 2,
  SSE41 = 3,
  AVX   = 4,
  XOP   = 5,
  /* AVX2  = 6, */
#endif
} cpu_feature_t;

static const char feature_names[][8] =
{
  "none",
#if defined(HAVE_X86)
  "sse2",
  "ssse3",
  "sse41",
  "avx",
  "xop",
  /* "avx2" */
#endif
};

#if defined(HAVE_X86)

#if defined(__GNUC__)
static inline void cpuid( uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx )
{
  __asm__ __volatile__(
#if defined(__i386__) /* This is needed for -fPIC to work on i386 */
    "movl %%ebx, %%esi\n\t"
#endif
    "cpuid\n\t"
#if defined(__i386__)
    "xchgl %%ebx, %%esi\n\t"
    : "=a"( *eax ), "=S"( *ebx ), "=c"( *ecx ), "=d"( *edx ) : "a"( *eax ) );
#else
    : "=a"( *eax ), "=b"( *ebx ), "=c"( *ecx ), "=d"( *edx ) : "a"( *eax ) );
#endif
}

static inline uint64_t xgetbv(uint32_t xcr)
{
  uint32_t a, d;
  __asm__ __volatile__(
    "xgetbv"
    :  "=a"(a),"=d"(d)
    : "c"(xcr)
  );
  return ((uint64_t)d << 32) | a;
}

#elif defined(_MSC_VER)
#include <intrin.h>
static inline void cpuid( uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx )
{
  int regs[4];
  __cpuid( regs, *eax );
  *eax = regs[0];
  *ebx = regs[1];
  *ecx = regs[2];
  *edx = regs[3];
}
#else
#error "Don't know how to call cpuid on this compiler!"
#endif

#endif /* HAVE_X86 */

static inline cpu_feature_t get_cpu_features( void )
{
#if defined(HAVE_X86)
  static volatile int initialized = 0;
  static cpu_feature_t feature = NONE; // Safe default
  uint32_t eax, ecx, edx, ebx;

  if( initialized )
    return feature;

  eax = 1;
  cpuid( &eax, &ebx, &ecx, &edx );

  if( 1 & ( edx >> 26 ) )
    feature = SSE2;

  if( 1 & ( ecx >> 9 ) )
    feature = SSSE3;

  if( 1 & ( ecx >> 19 ) )
    feature = SSE41;

#if defined(WIN32) /* Work around the fact that Windows <7 does NOT support AVX... */
  if( IsProcessorFeaturePresent(17) ) /* Some environments don't know about PF_XSAVE_ENABLED */
#endif
  {
    /* check for AVX and OSXSAVE bits */
    if( 1 & ( ecx >> 28 ) & (ecx >> 27) ) {
#if !defined(WIN32) /* Already checked for this in WIN32 */
    if( (xgetbv(0) & 6) == 6 ) /* XCR0 */
#endif
      feature = AVX;
    }


    eax = 0x80000001;
    cpuid( &eax, &ebx, &ecx, &edx );

    if( 1 & ( ecx >> 11 ) )
      feature = XOP;
  }

  /* For future architectures */
  /* 
      eax = 7; ecx = 0;
      cpuid(&eax, &ebx, &ecx, &edx);

      if(1&(ebx >> 5))
        feature = AVX2;
  */
  /* fprintf( stderr, "Using %s engine\n", feature_names[feature] ); */
  initialized = 1;
  return feature;
#else
  return NONE;
#endif
}



#if defined(__cplusplus)
extern "C" {
#endif
  int blake2b_init_ref( blake2b_state *S, size_t outlen );
  int blake2b_init_key_ref( blake2b_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2b_init_param_ref( blake2b_state *S, const blake2b_param *P );
  int blake2b_update_ref( blake2b_state *S, const uint8_t *in, size_t inlen );
  int blake2b_final_ref( blake2b_state *S, uint8_t *out, size_t outlen );
  int blake2b_ref( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );

#if defined(HAVE_X86)

  int blake2b_init_sse2( blake2b_state *S, size_t outlen );
  int blake2b_init_key_sse2( blake2b_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2b_init_param_sse2( blake2b_state *S, const blake2b_param *P );
  int blake2b_update_sse2( blake2b_state *S, const uint8_t *in, size_t inlen );
  int blake2b_final_sse2( blake2b_state *S, uint8_t *out, size_t outlen );
  int blake2b_sse2( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );

  int blake2b_init_ssse3( blake2b_state *S, size_t outlen );
  int blake2b_init_key_ssse3( blake2b_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2b_init_param_ssse3( blake2b_state *S, const blake2b_param *P );
  int blake2b_update_ssse3( blake2b_state *S, const uint8_t *in, size_t inlen );
  int blake2b_final_ssse3( blake2b_state *S, uint8_t *out, size_t outlen );
  int blake2b_ssse3( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );

  int blake2b_init_sse41( blake2b_state *S, size_t outlen );
  int blake2b_init_key_sse41( blake2b_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2b_init_param_sse41( blake2b_state *S, const blake2b_param *P );
  int blake2b_update_sse41( blake2b_state *S, const uint8_t *in, size_t inlen );
  int blake2b_final_sse41( blake2b_state *S, uint8_t *out, size_t outlen );
  int blake2b_sse41( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );

  int blake2b_init_avx( blake2b_state *S, size_t outlen );
  int blake2b_init_key_avx( blake2b_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2b_init_param_avx( blake2b_state *S, const blake2b_param *P );
  int blake2b_update_avx( blake2b_state *S, const uint8_t *in, size_t inlen );
  int blake2b_final_avx( blake2b_state *S, uint8_t *out, size_t outlen );
  int blake2b_avx( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );

  int blake2b_init_xop( blake2b_state *S, size_t outlen );
  int blake2b_init_key_xop( blake2b_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2b_init_param_xop( blake2b_state *S, const blake2b_param *P );
  int blake2b_update_xop( blake2b_state *S, const uint8_t *in, size_t inlen );
  int blake2b_final_xop( blake2b_state *S, uint8_t *out, size_t outlen );
  int blake2b_xop( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );

#endif /* HAVE_X86 */

  int blake2s_init_ref( blake2s_state *S, size_t outlen );
  int blake2s_init_key_ref( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2s_init_param_ref( blake2s_state *S, const blake2s_param *P );
  int blake2s_update_ref( blake2s_state *S, const uint8_t *in, size_t inlen );
  int blake2s_final_ref( blake2s_state *S, uint8_t *out, size_t outlen );
  int blake2s_ref( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );

#if defined(HAVE_X86)

  int blake2s_init_sse2( blake2s_state *S, size_t outlen );
  int blake2s_init_key_sse2( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2s_init_param_sse2( blake2s_state *S, const blake2s_param *P );
  int blake2s_update_sse2( blake2s_state *S, const uint8_t *in, size_t inlen );
  int blake2s_final_sse2( blake2s_state *S, uint8_t *out, size_t outlen );
  int blake2s_sse2( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );

  int blake2s_init_ssse3( blake2s_state *S, size_t outlen );
  int blake2s_init_key_ssse3( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2s_init_param_ssse3( blake2s_state *S, const blake2s_param *P );
  int blake2s_update_ssse3( blake2s_state *S, const uint8_t *in, size_t inlen );
  int blake2s_final_ssse3( blake2s_state *S, uint8_t *out, size_t outlen );
  int blake2s_ssse3( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );

  int blake2s_init_sse41( blake2s_state *S, size_t outlen );
  int blake2s_init_key_sse41( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2s_init_param_sse41( blake2s_state *S, const blake2s_param *P );
  int blake2s_update_sse41( blake2s_state *S, const uint8_t *in, size_t inlen );
  int blake2s_final_sse41( blake2s_state *S, uint8_t *out, size_t outlen );
  int blake2s_sse41( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );

  int blake2s_init_avx( blake2s_state *S, size_t outlen );
  int blake2s_init_key_avx( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2s_init_param_avx( blake2s_state *S, const blake2s_param *P );
  int blake2s_update_avx( blake2s_state *S, const uint8_t *in, size_t inlen );
  int blake2s_final_avx( blake2s_state *S, uint8_t *out, size_t outlen );
  int blake2s_avx( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );

  int blake2s_init_xop( blake2s_state *S, size_t outlen );
  int blake2s_init_key_xop( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2s_init_param_xop( blake2s_state *S, const blake2s_param *P );
  int blake2s_update_xop( blake2s_state *S, const uint8_t *in, size_t inlen );
  int blake2s_final_xop( blake2s_state *S, uint8_t *out, size_t outlen );
  int blake2s_xop( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );

#endif /* HAVE_X86 */

#if defined(__cplusplus)
}
#endif

typedef int ( *blake2b_init_fn )( blake2b_state *, size_t );
typedef int ( *blake2b_init_key_fn )( blake2b_state *, size_t, const void *, size_t );
typedef int ( *blake2b_init_param_fn )( blake2b_state *, const blake2b_param * );
typedef int ( *blake2b_update_fn )( blake2b_state *, const uint8_t *, size_t );
typedef int ( *blake2b_final_fn )( blake2b_state *, uint8_t *, size_t );
typedef int ( *blake2b_fn )( uint8_t *, const void *, const void *, size_t, size_t, size_t );

typedef int ( *blake2s_init_fn )( blake2s_state *, size_t );
typedef int ( *blake2s_init_key_fn )( blake2s_state *, size_t, const void *, size_t );
typedef int ( *blake2s_init_param_fn )( blake2s_state *, const blake2s_param * );
typedef int ( *blake2s_update_fn )( blake2s_state *, const uint8_t *, size_t );
typedef int ( *blake2s_final_fn )( blake2s_state *, uint8_t *, size_t );
typedef int ( *blake2s_fn )( uint8_t *, const void *, const void *, size_t, size_t, size_t );

static const blake2b_init_fn blake2b_init_table[] =
{
  blake2b_init_ref,
#if defined(HAVE_X86)
  blake2b_init_sse2,
  blake2b_init_ssse3,
  blake2b_init_sse41,
  blake2b_init_avx,
  blake2b_init_xop
#endif
};

static const blake2b_init_key_fn blake2b_init_key_table[] =
{
  blake2b_init_key_ref,
#if defined(HAVE_X86)
  blake2b_init_key_sse2,
  blake2b_init_key_ssse3,
  blake2b_init_key_sse41,
  blake2b_init_key_avx,
  blake2b_init_key_xop
#endif
};

static const blake2b_init_param_fn blake2b_init_param_table[] =
{
  blake2b_init_param_ref,
#if defined(HAVE_X86)
  blake2b_init_param_sse2,
  blake2b_init_param_ssse3,
  blake2b_init_param_sse41,
  blake2b_init_param_avx,
  blake2b_init_param_xop
#endif
};

static const blake2b_update_fn blake2b_update_table[] =
{
  blake2b_update_ref,
#if defined(HAVE_X86)
  blake2b_update_sse2,
  blake2b_update_ssse3,
  blake2b_update_sse41,
  blake2b_update_avx,
  blake2b_update_xop
#endif
};

static const blake2b_final_fn blake2b_final_table[] =
{
  blake2b_final_ref,
#if defined(HAVE_X86)
  blake2b_final_sse2,
  blake2b_final_ssse3,
  blake2b_final_sse41,
  blake2b_final_avx,
  blake2b_final_xop
#endif
};

static const blake2b_fn blake2b_table[] =
{
  blake2b_ref,
#if defined(HAVE_X86)
  blake2b_sse2,
  blake2b_ssse3,
  blake2b_sse41,
  blake2b_avx,
  blake2b_xop
#endif
};

static const blake2s_init_fn blake2s_init_table[] =
{
  blake2s_init_ref,
#if defined(HAVE_X86)
  blake2s_init_sse2,
  blake2s_init_ssse3,
  blake2s_init_sse41,
  blake2s_init_avx,
  blake2s_init_xop
#endif
};

static const blake2s_init_key_fn blake2s_init_key_table[] =
{
  blake2s_init_key_ref,
#if defined(HAVE_X86)
  blake2s_init_key_sse2,
  blake2s_init_key_ssse3,
  blake2s_init_key_sse41,
  blake2s_init_key_avx,
  blake2s_init_key_xop
#endif
};

static const blake2s_init_param_fn blake2s_init_param_table[] =
{
  blake2s_init_param_ref,
#if defined(HAVE_X86)
  blake2s_init_param_sse2,
  blake2s_init_param_ssse3,
  blake2s_init_param_sse41,
  blake2s_init_param_avx,
  blake2s_init_param_xop
#endif
};

static const blake2s_update_fn blake2s_update_table[] =
{
  blake2s_update_ref,
#if defined(HAVE_X86)
  blake2s_update_sse2,
  blake2s_update_ssse3,
  blake2s_update_sse41,
  blake2s_update_avx,
  blake2s_update_xop
#endif
};

static const blake2s_final_fn blake2s_final_table[] =
{
  blake2s_final_ref,
#if defined(HAVE_X86)
  blake2s_final_sse2,
  blake2s_final_ssse3,
  blake2s_final_sse41,
  blake2s_final_avx,
  blake2s_final_xop
#endif
};

static const blake2s_fn blake2s_table[] =
{
  blake2s_ref,
#if defined(HAVE_X86)
  blake2s_sse2,
  blake2s_ssse3,
  blake2s_sse41,
  blake2s_avx,
  blake2s_xop
#endif
};

#if defined(__cplusplus)
extern "C" {
#endif
  int blake2b_init_dispatch( blake2b_state *S, size_t outlen );
  int blake2b_init_key_dispatch( blake2b_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2b_init_param_dispatch( blake2b_state *S, const blake2b_param *P );
  int blake2b_update_dispatch( blake2b_state *S, const uint8_t *in, size_t inlen );
  int blake2b_final_dispatch( blake2b_state *S, uint8_t *out, size_t outlen );
  int blake2b_dispatch( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );

  int blake2s_init_dispatch( blake2s_state *S, size_t outlen );
  int blake2s_init_key_dispatch( blake2s_state *S, size_t outlen, const void *key, size_t keylen );
  int blake2s_init_param_dispatch( blake2s_state *S, const blake2s_param *P );
  int blake2s_update_dispatch( blake2s_state *S, const uint8_t *in, size_t inlen );
  int blake2s_final_dispatch( blake2s_state *S, uint8_t *out, size_t outlen );
  int blake2s_dispatch( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen );
#if defined(__cplusplus)
}
#endif

static blake2b_init_fn blake2b_init_ptr = blake2b_init_dispatch;
static blake2b_init_key_fn blake2b_init_key_ptr = blake2b_init_key_dispatch;
static blake2b_init_param_fn blake2b_init_param_ptr = blake2b_init_param_dispatch;
static blake2b_update_fn blake2b_update_ptr = blake2b_update_dispatch;
static blake2b_final_fn blake2b_final_ptr = blake2b_final_dispatch;
static blake2b_fn blake2b_ptr = blake2b_dispatch;

static blake2s_init_fn blake2s_init_ptr = blake2s_init_dispatch;
static blake2s_init_key_fn blake2s_init_key_ptr = blake2s_init_key_dispatch;
static blake2s_init_param_fn blake2s_init_param_ptr = blake2s_init_param_dispatch;
static blake2s_update_fn blake2s_update_ptr = blake2s_update_dispatch;
static blake2s_final_fn blake2s_final_ptr = blake2s_final_dispatch;
static blake2s_fn blake2s_ptr = blake2s_dispatch;

int blake2b_init_dispatch( blake2b_state *S, size_t outlen )
{
  blake2b_init_ptr = blake2b_init_table[get_cpu_features()];
  return blake2b_init_ptr( S, outlen );
}

int blake2b_init_key_dispatch( blake2b_state *S, size_t outlen, const void *key, size_t keylen )
{
  blake2b_init_key_ptr = blake2b_init_key_table[get_cpu_features()];
  return blake2b_init_key_ptr( S, outlen, key, keylen );
}

int blake2b_init_param_dispatch( blake2b_state *S, const blake2b_param *P )
{
  blake2b_init_param_ptr = blake2b_init_param_table[get_cpu_features()];
  return blake2b_init_param_ptr( S, P );
}

int blake2b_update_dispatch( blake2b_state *S, const uint8_t *in, size_t inlen )
{
  blake2b_update_ptr = blake2b_update_table[get_cpu_features()];
  return blake2b_update_ptr( S, in, inlen );
}

int blake2b_final_dispatch( blake2b_state *S, uint8_t *out, size_t outlen )
{
  blake2b_final_ptr = blake2b_final_table[get_cpu_features()];
  return blake2b_final_ptr( S, out, outlen );
}

int blake2b_dispatch( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen )
{
  blake2b_ptr = blake2b_table[get_cpu_features()];
  return blake2b_ptr( out, in, key, outlen, inlen, keylen );
}

BLAKE2_API int blake2b_init( blake2b_state *S, size_t outlen )
{
  return blake2b_init_ptr( S, outlen );
}

BLAKE2_API int blake2b_init_key( blake2b_state *S, size_t outlen, const void *key, size_t keylen )
{
  return blake2b_init_key_ptr( S, outlen, key, keylen );
}

BLAKE2_API int blake2b_init_param( blake2b_state *S, const blake2b_param *P )
{
  return blake2b_init_param_ptr( S, P );
}

BLAKE2_API int blake2b_update( blake2b_state *S, const uint8_t *in, size_t inlen )
{
  return blake2b_update_ptr( S, in, inlen );
}

BLAKE2_API int blake2b_final( blake2b_state *S, uint8_t *out, size_t outlen )
{
  return blake2b_final_ptr( S, out, outlen );
}

BLAKE2_API int blake2b( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen )
{
  return blake2b_ptr( out, in, key, outlen, inlen, keylen );
}

int blake2s_init_dispatch( blake2s_state *S, size_t outlen )
{
  blake2s_init_ptr = blake2s_init_table[get_cpu_features()];
  return blake2s_init_ptr( S, outlen );
}

int blake2s_init_key_dispatch( blake2s_state *S, size_t outlen, const void *key, size_t keylen )
{
  blake2s_init_key_ptr = blake2s_init_key_table[get_cpu_features()];
  return blake2s_init_key_ptr( S, outlen, key, keylen );
}

int blake2s_init_param_dispatch( blake2s_state *S, const blake2s_param *P )
{
  blake2s_init_param_ptr = blake2s_init_param_table[get_cpu_features()];
  return blake2s_init_param_ptr( S, P );
}

int blake2s_update_dispatch( blake2s_state *S, const uint8_t *in, size_t inlen )
{
  blake2s_update_ptr = blake2s_update_table[get_cpu_features()];
  return blake2s_update_ptr( S, in, inlen );
}

int blake2s_final_dispatch( blake2s_state *S, uint8_t *out, size_t outlen )
{
  blake2s_final_ptr = blake2s_final_table[get_cpu_features()];
  return blake2s_final_ptr( S, out, outlen );
}

int blake2s_dispatch( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen )
{
  blake2s_ptr = blake2s_table[get_cpu_features()];
  return blake2s_ptr( out, in, key, outlen, inlen, keylen );
}

BLAKE2_API int blake2s_init( blake2s_state *S, size_t outlen )
{
  return blake2s_init_ptr( S, outlen );
}

BLAKE2_API int blake2s_init_key( blake2s_state *S, size_t outlen, const void *key, size_t keylen )
{
  return blake2s_init_key_ptr( S, outlen, key, keylen );
}

BLAKE2_API int blake2s_init_param( blake2s_state *S, const blake2s_param *P )
{
  return blake2s_init_param_ptr( S, P );
}

BLAKE2_API int blake2s_update( blake2s_state *S, const uint8_t *in, size_t inlen )
{
  return blake2s_update_ptr( S, in, inlen );
}

BLAKE2_API int blake2s_final( blake2s_state *S, uint8_t *out, size_t outlen )
{
  return blake2s_final_ptr( S, out, outlen );
}

BLAKE2_API int blake2s( uint8_t *out, const void *in, const void *key, size_t outlen, size_t inlen, size_t keylen )
{
  return blake2s_ptr( out, in, key, outlen, inlen, keylen );
}