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[/] [apbtoaes128/] [trunk/] [pli/] [bfm_ecb/] [aes_bfm_decryption_ecb.h] - Blame information for rev 4

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1 4 redbear
//////////////////////////////////////////////////////////////////
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////
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////
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////    AES CORE BLOCK
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////
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////
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////
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//// This file is part of the APB to AES128 project
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////
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//// http://www.opencores.org/cores/apbtoaes128/
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////
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////
13
////
14
//// Description
15
////
16
//// Implementation of APB IP core according to
17
////
18
//// aes128_spec IP core specification document.
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////
20
////
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////
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//// To Do: Things are right here but always all block can suffer changes
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////
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////
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////
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////
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////
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//// Author(s): - Felipe Fernandes Da Costa, fefe2560@gmail.com
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////
30
///////////////////////////////////////////////////////////////// 
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////
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////
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//// Copyright (C) 2009 Authors and OPENCORES.ORG
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////
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////
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////
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//// This source file may be used and distributed without
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////
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//// restriction provided that this copyright statement is not
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////
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//// removed from the file and that any derivative work contains
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//// the original copyright notice and the associated disclaimer.
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////
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////
45
//// This source file is free software; you can redistribute it
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////
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//// and/or modify it under the terms of the GNU Lesser General
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////
49
//// Public License as published by the Free Software Foundation;
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//// either version 2.1 of the License, or (at your option) any
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////
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//// later version.
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////
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////
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////
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//// This source is distributed in the hope that it will be
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////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied
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////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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////
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//// PURPOSE. See the GNU Lesser General Public License for more
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//// details.
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////
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////
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////
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//// You should have received a copy of the GNU Lesser General
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////
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//// Public License along with this source; if not, download it
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////
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//// from http://www.opencores.org/lgpl.shtml
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////
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////
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///////////////////////////////////////////////////////////////////
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static int aes_bfm_decryption_ecb_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 == ECB_DECRYPTION && 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
                                if(counter == 0)
144
                                {
145
 
146
 
147
                                        counter_write++;
148
                                        counter++;
149
 
150
                                        v_ecb.value.integer = 1;
151
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
152
 
153
 
154
                                }else if(counter == 1)
155
                                {
156
 
157
                                        v_ecb.value.integer = 0;
158
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
159
 
160
 
161
 
162
                                        if(counter_write < 9)
163
                                        {
164
 
165
                                                v_ecb.value.integer = vector_address[counter_write];
166
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
167
 
168
                                                t_ecb.type = vpiScaledRealTime;
169
                                                t_ecb.real = 0;
170
                                                v_ecb.format=vpiIntVal;
171
                                                if(FIPS_ENABLE == FIPS)
172
                                                {
173
 
174
                                                        if(vector_address[counter_write] == ADDR_AES_KEYR3 || vector_address[counter_write] == ADDR_AES_IVR3)
175
                                                        {
176
                                                                a = a | KEY_FIPS_DERIVATED[0];
177
                                                                a = a << 8;
178
                                                                a = a | KEY_FIPS_DERIVATED[1];
179
                                                                a = a << 8;
180
                                                                a = a | KEY_FIPS_DERIVATED[2];
181
                                                                a = a << 8;
182
                                                                a = a | KEY_FIPS_DERIVATED[3];
183
                                                                v_ecb.value.integer = a;
184
                                                        }
185
 
186
 
187
                                                        if(vector_address[counter_write] == ADDR_AES_KEYR2 || vector_address[counter_write] == ADDR_AES_IVR2)
188
                                                        {
189
                                                                b = b | KEY_FIPS_DERIVATED[4];
190
                                                                b = b << 8;
191
                                                                b = b | KEY_FIPS_DERIVATED[5];
192
                                                                b = b << 8;
193
                                                                b = b | KEY_FIPS_DERIVATED[6];
194
                                                                b = b << 8;
195
                                                                b = b | KEY_FIPS_DERIVATED[7];
196
                                                                v_ecb.value.integer = b;
197
                                                        }
198
 
199
                                                        if(vector_address[counter_write] == ADDR_AES_KEYR1 || vector_address[counter_write] == ADDR_AES_IVR1)
200
                                                        {
201
 
202
                                                                c = c | KEY_FIPS_DERIVATED[8];
203
                                                                c = c << 8;
204
                                                                c = c | KEY_FIPS_DERIVATED[9];
205
                                                                c = c << 8;
206
                                                                c = c | KEY_FIPS_DERIVATED[10];
207
                                                                c = c << 8;
208
                                                                c = c | KEY_FIPS_DERIVATED[11];
209
                                                                v_ecb.value.integer = c;
210
 
211
                                                        }
212
 
213
                                                        if(vector_address[counter_write] == ADDR_AES_KEYR0 || vector_address[counter_write] == ADDR_AES_IVR0)
214
                                                        {
215
                                                                d = d | KEY_FIPS_DERIVATED[12];
216
                                                                d = d << 8;
217
                                                                d = d | KEY_FIPS_DERIVATED[13];
218
                                                                d = d << 8;
219
                                                                d = d | KEY_FIPS_DERIVATED[14];
220
                                                                d = d << 8;
221
                                                                d = d | KEY_FIPS_DERIVATED[15];
222
                                                                v_ecb.value.integer = d;
223
                                                        }
224
 
225
 
226
 
227
                                                }else if(FIPS_ENABLE == RANDOM_DATA)
228
                                                {
229
                                                        v_ecb.value.integer = data_in(rd);
230
                                                }
231
 
232
                                                //vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);                                              
233
                                                vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
234
 
235
 
236
                                                a = 0;
237
                                                b = 0;
238
                                                c = 0;
239
                                                d = 0;
240
                                        }
241
 
242
 
243
                                        if(counter_write == 9)
244
                                        {
245
 
246
                                                v_ecb.value.integer = vector_address[counter_write];
247
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
248
 
249
                                                t_ecb.type = vpiScaledRealTime;
250
                                                t_ecb.real = 0;
251
                                                v_ecb.format=vpiIntVal;
252
                                                v_ecb.value.integer = 17;
253
                                                vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
254
 
255
                                        }
256
 
257
 
258
                                        if(counter_write > 9  &&  counter_write < 14) //WRITE DINR
259
                                        {
260
 
261
                                                v_ecb.value.integer = ADDR_AES_DINR;
262
                                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
263
 
264
 
265
                                                if(FIPS_ENABLE == FIPS)
266
                                                {
267
 
268
                                                        if(counter_write == 10)
269
                                                        {
270
                                                                a = a | TEXT_FIPS_DERIVATED[0];
271
                                                                a = a << 8;
272
                                                                a = a | TEXT_FIPS_DERIVATED[1];
273
                                                                a = a << 8;
274
                                                                a = a | TEXT_FIPS_DERIVATED[2];
275
                                                                a = a << 8;
276
                                                                a = a | TEXT_FIPS_DERIVATED[3];
277
                                                                v_ecb.value.integer = a;
278
 
279
                                                        }else if(counter_write == 11)
280
                                                        {
281
                                                                b = b | TEXT_FIPS_DERIVATED[4];
282
                                                                b = b << 8;
283
                                                                b = b | TEXT_FIPS_DERIVATED[5];
284
                                                                b = b << 8;
285
                                                                b = b | TEXT_FIPS_DERIVATED[6];
286
                                                                b = b << 8;
287
                                                                b = b | TEXT_FIPS_DERIVATED[7];
288
                                                                v_ecb.value.integer = b;
289
 
290
                                                        }else if(counter_write == 12 )
291
                                                        {
292
 
293
                                                                c = c | TEXT_FIPS_DERIVATED[8];
294
                                                                c = c << 8;
295
                                                                c = c | TEXT_FIPS_DERIVATED[9];
296
                                                                c = c << 8;
297
                                                                c = c | TEXT_FIPS_DERIVATED[10];
298
                                                                c = c << 8;
299
                                                                c = c | TEXT_FIPS_DERIVATED[11];
300
                                                                v_ecb.value.integer = c;
301
 
302
                                                        }else if(counter_write == 13 )
303
                                                        {
304
                                                                d = d | TEXT_FIPS_DERIVATED[12];
305
                                                                d = d << 8;
306
                                                                d = d | TEXT_FIPS_DERIVATED[13];
307
                                                                d = d << 8;
308
                                                                d = d | TEXT_FIPS_DERIVATED[14];
309
                                                                d = d << 8;
310
                                                                d = d | TEXT_FIPS_DERIVATED[15];
311
                                                                v_ecb.value.integer = d;
312
 
313
                                                        }
314
 
315
 
316
                                                }else if(FIPS_ENABLE == RANDOM_DATA)
317
                                                {
318
                                                        v_ecb.value.integer = data_in(rd);
319
                                                }
320
 
321
                                                //vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);
322
                                                vpi_put_value(PWDATA, &v_ecb, &t_ecb, vpiTransportDelay);
323
 
324
                                                a = 0;
325
                                                b = 0;
326
                                                c = 0;
327
                                                d = 0;
328
 
329
 
330
                                        }
331
 
332
                                        v_ecb.value.integer = 1;
333
                                        vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);
334
 
335
                                        counter=0;
336
                                }
337
 
338
                                if(counter_write == 14)
339
                                {
340
                                        counter_write = 0;
341
 
342
                                        STATE =WAIT_SR;
343
 
344
 
345
 
346
 
347
 
348
                                }
349
 
350
                  break;
351
 
352
                  case WAIT_SR:
353
 
354
                                v_ecb.value.integer = ADDR_AES_SR;
355
                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
356
 
357
                                v_ecb.value.integer = 0;
358
                                vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);
359
 
360
                                if(counter == 0)
361
                                {
362
 
363
                                        counter++;
364
 
365
                                        v_ecb.value.integer = 1;
366
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
367
 
368
 
369
                                }else if(counter == 1)
370
                                {
371
                                        v_ecb.value.integer = 0;
372
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
373
 
374
                                        counter=0;
375
                                }
376
 
377
                                v_ecb.value.integer = 0;
378
                                vpi_get_value(PRDATA,&v_ecb);
379
 
380
                                if(v_ecb.value.integer == 1)
381
                                {
382
                                        STATE = READ_DOUTR;
383
 
384
                                        t_ecb.type = vpiScaledRealTime;
385
                                        t_ecb.real = 0;
386
                                        v_ecb.format=vpiIntVal;
387
                                        v_ecb.value.integer = ADDR_AES_DOUTR;
388
                                        vpi_put_value(PADDR, &v_ecb, &t_ecb, vpiTransportDelay);
389
                                }
390
 
391
 
392
                  break;
393
 
394
 
395
                 case READ_DOUTR:
396
 
397
 
398
 
399
                                if(counter == 0)
400
                                {
401
 
402
                                        v_ecb.value.integer = ADDR_AES_DOUTR;
403
                                        vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
404
 
405
                                        v_ecb.value.integer = 1;
406
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
407
 
408
                                        counter_write++;
409
                                        counter++;
410
 
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
                                if(counter_write == 4)
422
                                {
423
                                        STATE = RESET_SR;
424
                                        counter_write = 0;
425
 
426
 
427
                                }
428
 
429
                 break;
430
 
431
                case RESET_SR:
432
 
433
                                v_ecb.value.integer = 1;
434
                                vpi_put_value(PWRITE, &v_ecb, NULL, vpiNoDelay);
435
 
436
                                v_ecb.value.integer = 1;
437
                                vpi_put_value(PSEL, &v_ecb, NULL, vpiNoDelay);
438
 
439
                                v_ecb.value.integer = 0;
440
                                vpi_put_value(PADDR, &v_ecb, NULL, vpiNoDelay);
441
 
442
                                v_ecb.value.integer = 128;
443
                                vpi_put_value(PWDATA, &v_ecb, NULL, vpiNoDelay);
444
 
445
 
446
                                if(counter == 0)
447
                                {
448
 
449
                                        counter_write++;
450
                                        counter++;
451
 
452
                                        v_ecb.value.integer = 1;
453
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
454
 
455
                                }else if(counter == 1)
456
                                {
457
 
458
                                        v_ecb.value.integer = 0;
459
                                        vpi_put_value(PENABLE, &v_ecb, NULL, vpiNoDelay);
460
                                        counter=0;
461
 
462
                                }
463
 
464
                                if(counter_write == 1)
465
                                {
466
                                        STATE =IDLE;
467
                                        counter_write = 0;
468
                                        counter=0;
469
                                        PACKETS_GENERATED = PACKETS_GENERATED + 1;
470
                                }
471
 
472
 
473
 
474
                break;
475
 
476
                }
477
 
478
        }
479
 
480
        return 0;
481
}

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