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URL https://opencores.org/ocsvn/apbtoaes128/apbtoaes128/trunk

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[/] [apbtoaes128/] [trunk/] [pli/] [bfm_ctr/] [aes_bfm_encryption_ctr.h] - Blame information for rev 5

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1 5 redbear
//////////////////////////////////////////////////////////////////
2
////
3
////
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////    AES CORE BLOCK
5
////
6
////
7
////
8
//// This file is part of the APB to AES128 project
9
////
10
//// http://www.opencores.org/cores/apbtoaes128/
11
////
12
////
13
////
14
//// Description
15
////
16
//// Implementation of APB IP core according to
17
////
18
//// aes128_spec IP core specification document.
19
////
20
////
21
////
22
//// To Do: Things are right here but always all block can suffer changes
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////
24
////
25
////
26
////
27
////
28
//// Author(s): - Felipe Fernandes Da Costa, fefe2560@gmail.com
29
////
30
///////////////////////////////////////////////////////////////// 
31
////
32
////
33
//// Copyright (C) 2009 Authors and OPENCORES.ORG
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////
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////
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////
37
//// This source file may be used and distributed without
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////
39
//// restriction provided that this copyright statement is not
40
////
41
//// removed from the file and that any derivative work contains
42
//// the original copyright notice and the associated disclaimer.
43
////
44
////
45
//// This source file is free software; you can redistribute it
46
////
47
//// and/or modify it under the terms of the GNU Lesser General
48
////
49
//// Public License as published by the Free Software Foundation;
50
//// either version 2.1 of the License, or (at your option) any
51
////
52
//// later version.
53
////
54
////
55
////
56
//// This source is distributed in the hope that it will be
57
////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied
59
////
60
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
61
////
62
//// PURPOSE. See the GNU Lesser General Public License for more
63
//// details.
64
////
65
////
66
////
67
//// You should have received a copy of the GNU Lesser General
68
////
69
//// Public License along with this source; if not, download it
70
////
71
//// from http://www.opencores.org/lgpl.shtml
72
////
73
////
74
///////////////////////////////////////////////////////////////////
75
static int aes_bfm_encryption_ctr_calltf(char*user_data)
76
{
77
 
78
        vpiHandle PRESETn = vpi_handle_by_name("AES_GLADIC_tb.PRESETn", NULL);
79
        vpiHandle PWDATA = vpi_handle_by_name("AES_GLADIC_tb.PWDATA", NULL);
80
        vpiHandle PENABLE = vpi_handle_by_name("AES_GLADIC_tb.PENABLE", NULL);
81
        vpiHandle PSEL = vpi_handle_by_name("AES_GLADIC_tb.PSEL", NULL);
82
        vpiHandle PWRITE = vpi_handle_by_name("AES_GLADIC_tb.PWRITE", NULL);
83
        vpiHandle PADDR = vpi_handle_by_name("AES_GLADIC_tb.PADDR", NULL);
84
        vpiHandle PRDATA = vpi_handle_by_name("AES_GLADIC_tb.PRDATA", NULL);
85
        vpiHandle PREADY = vpi_handle_by_name("AES_GLADIC_tb.PREADY", NULL);
86
        vpiHandle PSLVERR = vpi_handle_by_name("AES_GLADIC_tb.PSLVERR", NULL);
87
        vpiHandle int_ccf = vpi_handle_by_name("AES_GLADIC_tb.int_ccf", NULL);
88
        vpiHandle int_err = vpi_handle_by_name("AES_GLADIC_tb.int_err", NULL);
89
        vpiHandle dma_req_wr = vpi_handle_by_name("AES_GLADIC_tb.dma_req_wr", NULL);
90
        vpiHandle dma_req_rd = vpi_handle_by_name("AES_GLADIC_tb.dma_req_rd", NULL);
91
 
92
        std::random_device rd;
93
        std::uniform_int_distribution<long int> data_in(0,4294967295);
94
 
95
        v_ecb.format=vpiIntVal;
96
 
97
        vpi_get_value(PRESETn, &v_ecb);
98
 
99
 
100
        //printf("%i\n",STATE);
101
 
102
 
103
        if(type_bfm == CTR_ENCRYPTION && v_ecb.value.integer == 1)
104
        {
105
 
106
                switch(STATE)
107
                {
108
 
109
                  case IDLE:
110
 
111
                                if(PACKETS_GENERATED >= MAX_ITERATIONS)
112
                                {
113
 
114
                                        STATE = IDLE;
115
                                        type_bfm = 0;
116
 
117
                                }else
118
                                {
119
                                        STATE = WRITE;
120
 
121
                                        counter = 0;
122
 
123
 
124
                                        v_ecb.value.integer = 0;
125
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
126
 
127
                                        v_ecb.value.integer = vector_address[0];
128
                                        vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
129
 
130
                                        v_ecb.value.integer = 0;
131
                                        vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);
132
 
133
                                        v_ecb.value.integer = 1;
134
                                        vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);
135
 
136
                                        v_ecb.value.integer = 1;
137
                                        vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);
138
                                }
139
 
140
                  break;
141
 
142
                  case WRITE:
143
 
144
 
145
 
146
                        v_ecb.value.integer = 1;
147
                        vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);
148
 
149
                        if(counter == 0)
150
                        {
151
                                counter_write++;
152
                                counter++;
153
 
154
                                v_ecb.value.integer = 1;
155
                                vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
156
 
157
 
158
                        }else if(counter == 1)
159
                        {
160
 
161
 
162
 
163
                                t_ecb.type = vpiScaledRealTime;
164
                                t_ecb.real = 0;
165
                                v_ecb.format=vpiIntVal;
166
 
167
                                v_ecb.value.integer = 0;
168
                                vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
169
 
170
 
171
                                if(counter_write < 9)
172
                                {
173
 
174
                                        v_ecb.value.integer = vector_address[counter_write];
175
                                        vpi_put_value(PADDR, &v_ecb, &t_ecb, vpiTransportDelay);
176
 
177
                                        if(FIPS_ENABLE == FIPS)
178
                                        {
179
 
180
                                                if(vector_address[counter_write] == ADDR_AES_KEYR3)
181
                                                {
182
                                                        a = a | KEY_FIPS_CTR_NOT_DERIVATED[0];
183
                                                        a = a << 8;
184
                                                        a = a | KEY_FIPS_CTR_NOT_DERIVATED[1];
185
                                                        a = a << 8;
186
                                                        a = a | KEY_FIPS_CTR_NOT_DERIVATED[2];
187
                                                        a = a << 8;
188
                                                        a = a | KEY_FIPS_CTR_NOT_DERIVATED[3];
189
                                                        v_ecb.value.integer = a;
190
                                                }
191
 
192
 
193
                                                if(vector_address[counter_write] == ADDR_AES_KEYR2)
194
                                                {
195
                                                        b = b | KEY_FIPS_CTR_NOT_DERIVATED[4];
196
                                                        b = b << 8;
197
                                                        b = b | KEY_FIPS_CTR_NOT_DERIVATED[5];
198
                                                        b = b << 8;
199
                                                        b = b | KEY_FIPS_CTR_NOT_DERIVATED[6];
200
                                                        b = b << 8;
201
                                                        b = b | KEY_FIPS_CTR_NOT_DERIVATED[7];
202
                                                        v_ecb.value.integer = b;
203
                                                }
204
 
205
                                                if(vector_address[counter_write] == ADDR_AES_KEYR1)
206
                                                {
207
 
208
                                                        c = c | KEY_FIPS_CTR_NOT_DERIVATED[8];
209
                                                        c = c << 8;
210
                                                        c = c | KEY_FIPS_CTR_NOT_DERIVATED[9];
211
                                                        c = c << 8;
212
                                                        c = c | KEY_FIPS_CTR_NOT_DERIVATED[10];
213
                                                        c = c << 8;
214
                                                        c = c | KEY_FIPS_CTR_NOT_DERIVATED[11];
215
                                                        v_ecb.value.integer = c;
216
 
217
                                                }
218
 
219
                                                if(vector_address[counter_write] == ADDR_AES_KEYR0)
220
                                                {
221
                                                        d = d | KEY_FIPS_CTR_NOT_DERIVATED[12];
222
                                                        d = d << 8;
223
                                                        d = d | KEY_FIPS_CTR_NOT_DERIVATED[13];
224
                                                        d = d << 8;
225
                                                        d = d | KEY_FIPS_CTR_NOT_DERIVATED[14];
226
                                                        d = d << 8;
227
                                                        d = d | KEY_FIPS_CTR_NOT_DERIVATED[15];
228
                                                        v_ecb.value.integer = d;
229
                                                }
230
 
231
 
232
                                                if(vector_address[counter_write] == ADDR_AES_IVR3)
233
                                                {
234
                                                        a = a | IV_FIPS_CTR_NOT_DERIVATED[0];
235
                                                        a = a << 8;
236
                                                        a = a | IV_FIPS_CTR_NOT_DERIVATED[1];
237
                                                        a = a << 8;
238
                                                        a = a | IV_FIPS_CTR_NOT_DERIVATED[2];
239
                                                        a = a << 8;
240
                                                        a = a | IV_FIPS_CTR_NOT_DERIVATED[3];
241
                                                        v_ecb.value.integer = a;
242
                                                }
243
 
244
 
245
                                                if(vector_address[counter_write] == ADDR_AES_IVR2)
246
                                                {
247
                                                        b = b | IV_FIPS_CTR_NOT_DERIVATED[4];
248
                                                        b = b << 8;
249
                                                        b = b | IV_FIPS_CTR_NOT_DERIVATED[5];
250
                                                        b = b << 8;
251
                                                        b = b | IV_FIPS_CTR_NOT_DERIVATED[6];
252
                                                        b = b << 8;
253
                                                        b = b | IV_FIPS_CTR_NOT_DERIVATED[7];
254
                                                        v_ecb.value.integer = b;
255
                                                }
256
 
257
                                                if(vector_address[counter_write] == ADDR_AES_IVR1)
258
                                                {
259
 
260
                                                        c = c | IV_FIPS_CTR_NOT_DERIVATED[8];
261
                                                        c = c << 8;
262
                                                        c = c | IV_FIPS_CTR_NOT_DERIVATED[9];
263
                                                        c = c << 8;
264
                                                        c = c | IV_FIPS_CTR_NOT_DERIVATED[10];
265
                                                        c = c << 8;
266
                                                        c = c | IV_FIPS_CTR_NOT_DERIVATED[11];
267
                                                        v_ecb.value.integer = c;
268
 
269
                                                }
270
 
271
                                                if(vector_address[counter_write] == ADDR_AES_IVR0)
272
                                                {
273
                                                        d = d | IV_FIPS_CTR_NOT_DERIVATED[12];
274
                                                        d = d << 8;
275
                                                        d = d | IV_FIPS_CTR_NOT_DERIVATED[13];
276
                                                        d = d << 8;
277
                                                        d = d | IV_FIPS_CTR_NOT_DERIVATED[14];
278
                                                        d = d << 8;
279
                                                        d = d | IV_FIPS_CTR_NOT_DERIVATED[15];
280
                                                        v_ecb.value.integer = d;
281
                                                }
282
 
283
 
284
 
285
 
286
                                        }else if(FIPS_ENABLE == RANDOM_DATA)
287
                                        {
288
                                                v_ecb.value.integer = data_in(rd);
289
                                        }
290
 
291
                                        vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
292
 
293
 
294
                                        a = 0;
295
                                        b = 0;
296
                                        c = 0;
297
                                        d = 0;
298
 
299
 
300
 
301
                                }else if(counter_write == 9)//ENABLE CR
302
                                {
303
 
304
                                        v_ecb.value.integer = vector_address[counter_write];
305
                                        vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
306
 
307
                                        v_ecb.value.integer = 65;
308
                                        vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
309
 
310
                                }else if(counter_write > 9  &&  counter_write < 14) //WRITE DINR
311
                                {
312
 
313
                                        v_ecb.value.integer = ADDR_AES_DINR;
314
                                        vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
315
 
316
 
317
                                        if(FIPS_ENABLE == FIPS)
318
                                        {
319
 
320
                                                if(counter_write == 10)
321
                                                {
322
                                                        a = a | TEXT_FIPS_CTR_NOT_DERIVATED[0];
323
                                                        a = a << 8;
324
                                                        a = a | TEXT_FIPS_CTR_NOT_DERIVATED[1];
325
                                                        a = a << 8;
326
                                                        a = a | TEXT_FIPS_CTR_NOT_DERIVATED[2];
327
                                                        a = a << 8;
328
                                                        a = a | TEXT_FIPS_CTR_NOT_DERIVATED[3];
329
                                                        v_ecb.value.integer = a;
330
 
331
                                                }else if(counter_write == 11)
332
                                                {
333
                                                        b = b | TEXT_FIPS_CTR_NOT_DERIVATED[4];
334
                                                        b = b << 8;
335
                                                        b = b | TEXT_FIPS_CTR_NOT_DERIVATED[5];
336
                                                        b = b << 8;
337
                                                        b = b | TEXT_FIPS_CTR_NOT_DERIVATED[6];
338
                                                        b = b << 8;
339
                                                        b = b | TEXT_FIPS_CTR_NOT_DERIVATED[7];
340
                                                        v_ecb.value.integer = b;
341
 
342
                                                }else if(counter_write == 12 )
343
                                                {
344
 
345
                                                        c = c | TEXT_FIPS_CTR_NOT_DERIVATED[8];
346
                                                        c = c << 8;
347
                                                        c = c | TEXT_FIPS_CTR_NOT_DERIVATED[9];
348
                                                        c = c << 8;
349
                                                        c = c | TEXT_FIPS_CTR_NOT_DERIVATED[10];
350
                                                        c = c << 8;
351
                                                        c = c | TEXT_FIPS_CTR_NOT_DERIVATED[11];
352
                                                        v_ecb.value.integer = c;
353
 
354
                                                }else if(counter_write == 13 )
355
                                                {
356
                                                        d = d | TEXT_FIPS_CTR_NOT_DERIVATED[12];
357
                                                        d = d << 8;
358
                                                        d = d | TEXT_FIPS_CTR_NOT_DERIVATED[13];
359
                                                        d = d << 8;
360
                                                        d = d | TEXT_FIPS_CTR_NOT_DERIVATED[14];
361
                                                        d = d << 8;
362
                                                        d = d | TEXT_FIPS_CTR_NOT_DERIVATED[15];
363
                                                        v_ecb.value.integer = d;
364
 
365
                                                }
366
 
367
 
368
                                        }else if(FIPS_ENABLE == RANDOM_DATA)
369
                                        {
370
                                                v_ecb.value.integer = data_in(rd);
371
                                        }
372
 
373
                                        vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
374
 
375
                                        a = 0;
376
                                        b = 0;
377
                                        c = 0;
378
                                        d = 0;
379
 
380
 
381
                                }
382
                                        counter=0;
383
 
384
                        }
385
 
386
 
387
 
388
                                if(counter_write == 14)
389
                                {
390
                                        counter_write = 0;
391
                                        STATE = WAIT_SR;
392
                                }
393
 
394
                  break;
395
 
396
                  case WAIT_SR:
397
 
398
                                v_ecb.value.integer = ADDR_AES_SR;
399
                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
400
 
401
                                v_ecb.value.integer = 0;
402
                                vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);
403
 
404
                                if(counter == 0)
405
                                {
406
 
407
                                        counter++;
408
 
409
                                        v_ecb.value.integer = 1;
410
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
411
 
412
 
413
                                }else if(counter == 1)
414
                                {
415
                                        v_ecb.value.integer = 0;
416
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
417
 
418
                                        counter=0;
419
                                }
420
 
421
                                v_ecb.value.integer = 0;
422
                                vpi_get_value(PRDATA,&v_ecb);
423
 
424
                                if(v_ecb.value.integer == 1)
425
                                {
426
                                        STATE = READ_DOUTR;
427
 
428
                                        t_ecb.type = vpiScaledRealTime;
429
                                        t_ecb.real = 10;
430
                                        v_ecb.format=vpiIntVal;
431
                                        v_ecb.value.integer = ADDR_AES_DOUTR;
432
                                        vpi_put_value(PADDR, &v_ecb, &t_ecb, vpiTransportDelay);
433
                                }
434
 
435
 
436
                  break;
437
 
438
 
439
                 case READ_DOUTR:
440
 
441
 
442
 
443
                                if(counter == 0)
444
                                {
445
 
446
                                        v_ecb.value.integer = 1;
447
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
448
 
449
                                        counter_read++;
450
                                        counter++;
451
 
452
 
453
 
454
                                }else if(counter == 1)
455
                                {
456
                                        v_ecb.value.integer = 0;
457
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
458
 
459
 
460
                                        if(counter_read < 4)
461
                                        {
462
 
463
                                                v_ecb.value.integer = ADDR_AES_DOUTR;
464
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
465
 
466
                                        }
467
 
468
 
469
                                        if(counter_read == 4)
470
                                        {
471
 
472
                                                v_ecb.value.integer = ADDR_AES_KEYR3;
473
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
474
 
475
                                        }
476
 
477
 
478
                                        if(counter_read == 5)
479
                                        {
480
 
481
                                                v_ecb.value.integer = ADDR_AES_KEYR2;
482
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
483
 
484
                                        }
485
 
486
 
487
 
488
                                        if(counter_read == 6)
489
                                        {
490
 
491
                                                v_ecb.value.integer = ADDR_AES_KEYR1;
492
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
493
 
494
                                        }
495
 
496
 
497
                                        if(counter_read == 7)
498
                                        {
499
 
500
                                                v_ecb.value.integer = ADDR_AES_KEYR0;
501
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
502
 
503
                                        }
504
 
505
 
506
                                        if(counter_read == 8)
507
                                        {
508
 
509
                                                v_ecb.value.integer = ADDR_AES_IVR3;
510
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
511
 
512
                                        }
513
 
514
 
515
                                        if(counter_read == 9)
516
                                        {
517
 
518
                                                v_ecb.value.integer = ADDR_AES_IVR2;
519
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
520
 
521
                                        }
522
 
523
 
524
 
525
                                        if(counter_read == 10)
526
                                        {
527
 
528
                                                v_ecb.value.integer = ADDR_AES_IVR1;
529
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
530
 
531
                                        }
532
 
533
 
534
                                        if(counter_read == 11)
535
                                        {
536
 
537
                                                v_ecb.value.integer = ADDR_AES_IVR0;
538
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
539
 
540
                                        }
541
 
542
 
543
                                        counter = 0;
544
                                }
545
 
546
                                if(counter_read == 12)
547
                                {
548
                                        STATE = RESET_SR;
549
                                        counter_read = 0;
550
                                }
551
 
552
                 break;
553
 
554
                case RESET_SR:
555
 
556
                                v_ecb.value.integer = 1;
557
                                vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);
558
 
559
                                v_ecb.value.integer = 1;
560
                                vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);
561
 
562
                                v_ecb.value.integer = 0;
563
                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
564
 
565
                                v_ecb.value.integer = 128;
566
                                vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);
567
 
568
 
569
                                if(counter == 0)
570
                                {
571
 
572
                                        counter_write++;
573
                                        counter++;
574
 
575
                                        v_ecb.value.integer = 1;
576
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
577
 
578
                                }else if(counter == 1)
579
                                {
580
 
581
                                        v_ecb.value.integer = 0;
582
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
583
                                        counter=0;
584
 
585
                                }
586
 
587
                                if(counter_write == 1)
588
                                {
589
                                        STATE =IDLE;
590
                                        counter_write = 0;
591
                                        counter=0;
592
 
593
                                        PACKETS_GENERATED = PACKETS_GENERATED + 1;
594
                                }
595
 
596
 
597
 
598
                break;
599
 
600
                }
601
 
602
        }
603
 
604
        return 0;
605
}

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