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KCTF2019Q4 第七题 东北奇闻
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发表于: 2019-12-15 19:17 3419
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1. apk的java层没做啥, 直接看native的showAssist
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | package com.zhuotong.kctfq4;public class MainActivity extends AppC0mpatActivity { protected void onCreate(Bundle arg4) { super.onCreate(arg4); this.setContentView(0x7F0A001C); this.findViewById(0x7F070042).setOnClickListener(new View$OnClickListener(this.findViewById(0x7F070054), arg4) { public void onClick(View arg3) { if(this.val$ed.getText() == null || (TextUtils.isEmpty(this.val$ed.getText().toString())) || (MainActivity.this.showAssist(this.val$savedInstanceState))) { Toast.makeText(MainActivity.this, "null", 1).show(); } } }); }}package androidx.appcompat.app;public class AppC0mpatActivity extends AppCompatActivity { static { System.loadLibrary("native-lib"); } public native boolean showAssist(Bundle arg1);} |
2. native-lib
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | JNI_OnLoad -> RegisterNatives -> check.text:0001A8E2 LDR R0, =(x_method_showAssist - 0x1A8EC).text:0001A8E4 MOV R2, R10.text:0001A8E6 LDR R1, =(g_sz_AppC0mpatActivity - 0x1A8EE).text:0001A8E8 ADD R0, PC ; x_method_showAssist.text:0001A8EA ADD R1, PC ; g_sz_AppC0mpatActivity.text:0001A8EC LDMIA.W R0, {R3,R5,R6}.text:0001A8F0 MOV R0, R9 ; a1.text:0001A8F2 STMIA R2!, {R3,R5,R6}.text:0001A8F4 BL FindClass.text:00019F80 x_showAssist.text:0001A4BE BL GetStringUTFChars.text:0001A4C2 BL x_check |
check函数
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 | cast加密set_key: key是固定的字符串"findViewById(I)L", 长度为16encrypt: ctx.round是12, 改了几个sbox(S1,S2,S3,S4)cast加密后还有个加密, 是一一映射, 不用管是干嘛的, 写个脚本直接把映射关系抠出来.text:00019B04 LDR R1, =(g_sz_sig_findViewById - 0x19B10).text:00019B06 MOV R0, R10.text:00019B08 MOVS R2, #0x10.text:00019B0A MOV R4, R8.text:00019B0C ADD R1, PC ; findViewById(I)L.text:00019B0E BL x_cast_set_key ; fn(&ctx, key, key_len).text:00019B1A CMP.W R8, #0x19....text:00019B2A ADD.W R1, R9, R8,LSL#3.text:00019B2E MOV.W R0, R8,LSL#3.text:00019B32 LDR R2, [R5,R0].text:00019B34 ADD R0, R5.text:00019B36 LDR R0, [R0,#4].text:00019B38 STR R0, [R1,#4].text:00019B3A MOV R0, R10.text:00019B3C STR R2, [R1].text:00019B3E BL x_cast_encrypt ; fn(&ctx, buf).text:00009CB0 x_cast_encrypt// 处理S1,S2,S3,S4...// 开始加密.text:0000DBC4.text:0000DF18 x_map.data:0002D010 S1.data:0002D410 S2.data:0002D810 S3.data:0002DC10 S4 |
3. ida调试脚本
adb root
adb shell /data/local/tmp/android_server
adb forward tcp:23946 tcp:23946
ida加载so, 在showAssist处下断, 执行脚本
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 | import idaapiimport idautilsfrom idautils import *from idc import *from idaapi import *def x_delete_all_breakpoints(): print('old bp count: %s' % GetBptQty()) ary_bp = [] bp_count = GetBptQty() for i in range(bp_count): ary_bp.append(GetBptEA(i)) for i in range(bp_count): print('delete old bp: %x' % ary_bp[i]) DelBpt(ary_bp[i]) returndef x_continue_process(): GetDebuggerEvent(WFNE_SUSP | WFNE_CONT, -1) returndef x_skip_call(): SetRegValue(GetRegValue('PC') + 4, 'PC') returndef x_step_over(): StepOver() GetDebuggerEvent(WFNE_SUSP, -1) returndef x_arm_address(ea): ea &= ~1 return eadef dbg_read_string(ea): s = '' while True: ch = DbgByte(ea) if ch == 0: break s += chr(ch) ea += 1 return sdef ida_main(): print('script start') # echo 0 > /proc/sys/kernel/randomize_va_space package_name = 'com.zhuotong.kctfq4' activity_name = '%s/com.zhuotong.kctfq4.MainActivity' % package_name Exec('adb shell am start -D -n %s' % activity_name) processes = ida_idd.procinfo_vec_t() process_count = ida_dbg.get_processes(processes) pid = 0 for i in range(process_count): process_name = str(processes[i].name) if process_name.find(package_name) != -1: pid = processes[i].pid break AttachProcess(pid, -1) GetDebuggerEvent(WFNE_SUSP, -1) ResumeProcess() Exec('adb forward tcp:8700 jdwp:%s' % pid) Exec('start jdb -connect com.sun.jdi.SocketAttach:hostname=127.0.0.1,port=8700') GetDebuggerEvent(WFNE_SUSP, -1) print('script end') returndef print_byte_array(ary): s = '' for i in range(len(ary)): s += '0x%02X, ' % ary[i] if (i + 1) % 16 == 0: s += '\n' print s returndef ida_main2(): print('script start') ary = [0] * 256 # .text:0000DEEE BLX R5 # .text:0000DEF0 STRB.W R0, [R9,#7] # set bp at 0000DEF0 for i in range(256): SetRegValue(0x0000DEEE, 'PC') SetRegValue(i, 'R0') x_continue_process() ary[i] = GetRegValue('R0') print_byte_array(ary) print('script end') returnida_main() |
4. 代码
cast.cpp, 来自pycrypto的cast.c, 修改了S1,S2,S3,S4
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 | #include "stdafx.h"#include "cast.h"#define BLOCK_SIZE 8#define KEY_SIZE 0/* adjust these according to your compiler/platform. On some machines uint32 will have to be a long. It's OK if uint32 is more than 32 bits. *//* this struct probably belongs in cast.h *//* these are the eight 32*256 S-boxes */static const uint32 S1[256] = {0x01010400, 0x00000000, 0x00010000, 0x01010404, 0x01010004,0x00010404, 0x00000004, 0x00010000, 0x00000400, 0x01010400,0x01010404, 0x00000400, 0x01000404, 0x01010004, 0x01000000,0x00000004, 0x00000404, 0x01000400, 0x01000400, 0x00010400,0x00010400, 0x01010000, 0x01010000, 0x01000404, 0x00010004,0x01000004, 0x01000004, 0x00010004, 0x00000000, 0x00000404,0x00010404, 0x01000000, 0x00010000, 0x01010404, 0x00000004,0x01010000, 0x01010400, 0x01000000, 0x01000000, 0x00000400,0x01010004, 0x00010000, 0x00010400, 0x01000004, 0x00000400,0x00000004, 0x01000404, 0x00010404, 0x01010404, 0x00010004,0x01010000, 0x01000404, 0x01000004, 0x00000404, 0x00010404,0x01010400, 0x00000404, 0x01000400, 0x01000400, 0x00000000,0x00010004, 0x00010400, 0x00000000, 0x01010004, 0x80108020,0x80008000, 0x00008000, 0x00108020, 0x00100000, 0x00000020,0x80100020, 0x80008020, 0x80000020, 0x80108020, 0x80108000,0x80000000, 0x80008000, 0x00100000, 0x00000020, 0x80100020,0x00108000, 0x00100020, 0x80008020, 0x00000000, 0x80000000,0x00008000, 0x00108020, 0x80100000, 0x00100020, 0x80000020,0x00000000, 0x00108000, 0x00008020, 0x80108000, 0x80100000,0x00008020, 0x00000000, 0x00108020, 0x80100020, 0x00100000,0x80008020, 0x80100000, 0x80108000, 0x00008000, 0x80100000,0x80008000, 0x00000020, 0x80108020, 0x00108020, 0x00000020,0x00008000, 0x80000000, 0x00008020, 0x80108000, 0x00100000,0x80000020, 0x00100020, 0x80008020, 0x80000020, 0x00100020,0x00108000, 0x00000000, 0x80008000, 0x00008020, 0x80000000,0x80100020, 0x80108020, 0x00108000, 0x00000208, 0x08020200,0x00000000, 0x08020008, 0x08000200, 0x00000000, 0x00020208,0x08000200, 0x00020008, 0x08000008, 0x08000008, 0x00020000,0x08020208, 0x00020008, 0x08020000, 0x00000208, 0x08000000,0x00000008, 0x08020200, 0x00000200, 0x00020200, 0x08020000,0x08020008, 0x00020208, 0x08000208, 0x00020200, 0x00020000,0x08000208, 0x00000008, 0x08020208, 0x00000200, 0x08000000,0x08020200, 0x08000000, 0x00020008, 0x00000208, 0x00020000,0x08020200, 0x08000200, 0x00000000, 0x00000200, 0x00020008,0x08020208, 0x08000200, 0x08000008, 0x00000200, 0x00000000,0x08020008, 0x08000208, 0x00020000, 0x08000000, 0x08020208,0x00000008, 0x00020208, 0x00020200, 0x08000008, 0x08020000,0x08000208, 0x00000208, 0x08020000, 0x00020208, 0x00000008,0x08020008, 0x00020200, 0x00802001, 0x00002081, 0x00002081,0x00000080, 0x00802080, 0x00800081, 0x00800001, 0x00002001,0x00000000, 0x00802000, 0x00802000, 0x00802081, 0x00000081,0x00000000, 0x00800080, 0x00800001, 0x00000001, 0x00002000,0x00800000, 0x00802001, 0x00000080, 0x00800000, 0x00002001,0x00002080, 0x00800081, 0x00000001, 0x00002080, 0x00800080,0x00002000, 0x00802080, 0x00802081, 0x00000081, 0x00800080,0x00800001, 0x00802000, 0x00802081, 0x00000081, 0x00000000,0x00000000, 0x00802000, 0x00002080, 0x00800080, 0x00800081,0x00000001, 0x00802001, 0x00002081, 0x00002081, 0x00000080,0x00802081, 0x00000081, 0x00000001, 0x00002000, 0x00800001,0x00002001, 0x00802080, 0x00800081, 0x00002001, 0x00002080,0x00800000, 0x00802001, 0x00000080, 0x00800000, 0x00002000,0x00802080 };static const uint32 S2[256] = {0x00000100, 0x02080100, 0x02080000, 0x42000100, 0x00080000,0x00000100, 0x40000000, 0x02080000, 0x40080100, 0x00080000,0x02000100, 0x40080100, 0x42000100, 0x42080000, 0x00080100,0x40000000, 0x02000000, 0x40080000, 0x40080000, 0x00000000,0x40000100, 0x42080100, 0x42080100, 0x02000100, 0x42080000,0x40000100, 0x00000000, 0x42000000, 0x02080100, 0x02000000,0x42000000, 0x00080100, 0x00080000, 0x42000100, 0x00000100,0x02000000, 0x40000000, 0x02080000, 0x42000100, 0x40080100,0x02000100, 0x40000000, 0x42080000, 0x02080100, 0x40080100,0x00000100, 0x02000000, 0x42080000, 0x42080100, 0x00080100,0x42000000, 0x42080100, 0x02080000, 0x00000000, 0x40080000,0x42000000, 0x00080100, 0x02000100, 0x40000100, 0x00080000,0x00000000, 0x40080000, 0x02080100, 0x40000100, 0x20000010,0x20400000, 0x00004000, 0x20404010, 0x20400000, 0x00000010,0x20404010, 0x00400000, 0x20004000, 0x00404010, 0x00400000,0x20000010, 0x00400010, 0x20004000, 0x20000000, 0x00004010,0x00000000, 0x00400010, 0x20004010, 0x00004000, 0x00404000,0x20004010, 0x00000010, 0x20400010, 0x20400010, 0x00000000,0x00404010, 0x20404000, 0x00004010, 0x00404000, 0x20404000,0x20000000, 0x20004000, 0x00000010, 0x20400010, 0x00404000,0x20404010, 0x00400000, 0x00004010, 0x20000010, 0x00400000,0x20004000, 0x20000000, 0x00004010, 0x20000010, 0x20404010,0x00404000, 0x20400000, 0x00404010, 0x20404000, 0x00000000,0x20400010, 0x00000010, 0x00004000, 0x20400000, 0x00404010,0x00004000, 0x00400010, 0x20004010, 0x00000000, 0x20404000,0x20000000, 0x00400010, 0x20004010, 0x00200000, 0x04200002,0x04000802, 0x00000000, 0x00000800, 0x04000802, 0x00200802,0x04200800, 0x04200802, 0x00200000, 0x00000000, 0x04000002,0x00000002, 0x04000000, 0x04200002, 0x00000802, 0x04000800,0x00200802, 0x00200002, 0x04000800, 0x04000002, 0x04200000,0x04200800, 0x00200002, 0x04200000, 0x00000800, 0x00000802,0x04200802, 0x00200800, 0x00000002, 0x04000000, 0x00200800,0x04000000, 0x00200800, 0x00200000, 0x04000802, 0x04000802,0x04200002, 0x04200002, 0x00000002, 0x00200002, 0x04000000,0x04000800, 0x00200000, 0x04200800, 0x00000802, 0x00200802,0x04200800, 0x00000802, 0x04000002, 0x04200802, 0x04200000,0x00200800, 0x00000000, 0x00000002, 0x04200802, 0x00000000,0x00200802, 0x04200000, 0x00000800, 0x04000002, 0x04000800,0x00000800, 0x00200002, 0x10001040, 0x00001000, 0x00040000,0x10041040, 0x10000000, 0x10001040, 0x00000040, 0x10000000,0x00040040, 0x10040000, 0x10041040, 0x00041000, 0x10041000,0x00041040, 0x00001000, 0x00000040, 0x10040000, 0x10000040,0x10001000, 0x00001040, 0x00041000, 0x00040040, 0x10040040,0x10041000, 0x00001040, 0x00000000, 0x00000000, 0x10040040,0x10000040, 0x10001000, 0x00041040, 0x00040000, 0x00041040,0x00040000, 0x10041000, 0x00001000, 0x00000040, 0x10040040,0x00001000, 0x00041040, 0x10001000, 0x00000040, 0x10000040,0x10040000, 0x10040040, 0x10000000, 0x00040000, 0x10001040,0x00000000, 0x10041040, 0x00040040, 0x10000040, 0x10040000,0x10001000, 0x10001040, 0x00000000, 0x10041040, 0x00041000,0x00041000, 0x00001040, 0x00001040, 0x00040040, 0x10000000,0x10041000 };static const uint32 S3[256] = {0x00000063, 0x0000007C, 0x00000077, 0x0000007B, 0x000000F2,0x0000006B, 0x0000006F, 0x000000C5, 0x00000030, 0x00000001,0x00000067, 0x0000002B, 0x000000FE, 0x000000D7, 0x000000AB,0x00000076, 0x000000CA, 0x00000082, 0x000000C9, 0x0000007D,0x000000FA, 0x00000059, 0x00000047, 0x000000F0, 0x000000AD,0x000000D4, 0x000000A2, 0x000000AF, 0x0000009C, 0x000000A4,0x00000072, 0x000000C0, 0x000000B7, 0x000000FD, 0x00000093,0x00000026, 0x00000036, 0x0000003F, 0x000000F7, 0x000000CC,0x00000034, 0x000000A5, 0x000000E5, 0x000000F1, 0x00000071,0x000000D8, 0x00000031, 0x00000015, 0x00000004, 0x000000C7,0x00000023, 0x000000C3, 0x00000018, 0x00000096, 0x00000005,0x0000009A, 0x00000007, 0x00000012, 0x00000080, 0x000000E2,0x000000EB, 0x00000027, 0x000000B2, 0x00000075, 0x00000009,0x00000083, 0x0000002C, 0x0000001A, 0x0000001B, 0x0000006E,0x0000005A, 0x000000A0, 0x00000052, 0x0000003B, 0x000000D6,0x000000B3, 0x00000029, 0x000000E3, 0x0000002F, 0x00000084,0x00000053, 0x000000D1, 0x00000000, 0x000000ED, 0x00000020,0x000000FC, 0x000000B1, 0x0000005B, 0x0000006A, 0x000000CB,0x000000BE, 0x00000039, 0x0000004A, 0x0000004C, 0x00000058,0x000000CF, 0x000000D0, 0x000000EF, 0x000000AA, 0x000000FB,0x00000043, 0x0000004D, 0x00000033, 0x00000085, 0x00000045,0x000000F9, 0x00000002, 0x0000007F, 0x00000050, 0x0000003C,0x0000009F, 0x000000A8, 0x00000051, 0x000000A3, 0x00000040,0x0000008F, 0x00000092, 0x0000009D, 0x00000038, 0x000000F5,0x000000BC, 0x000000B6, 0x000000DA, 0x00000021, 0x00000010,0x000000FF, 0x000000F3, 0x000000D2, 0x000000CD, 0x0000000C,0x00000013, 0x000000EC, 0x0000005F, 0x00000097, 0x00000044,0x00000017, 0x000000C4, 0x000000A7, 0x0000007E, 0x0000003D,0x00000064, 0x0000005D, 0x00000019, 0x00000073, 0x00000060,0x00000081, 0x0000004F, 0x000000DC, 0x00000022, 0x0000002A,0x00000090, 0x00000088, 0x00000046, 0x000000EE, 0x000000B8,0x00000014, 0x000000DE, 0x0000005E, 0x0000000B, 0x000000DB,0x000000E0, 0x00000032, 0x0000003A, 0x0000000A, 0x00000049,0x00000006, 0x00000024, 0x0000005C, 0x000000C2, 0x000000D3,0x000000AC, 0x00000062, 0x00000091, 0x00000095, 0x000000E4,0x00000079, 0x000000E7, 0x000000C8, 0x00000037, 0x0000006D,0x0000008D, 0x000000D5, 0x0000004E, 0x000000A9, 0x0000006C,0x00000056, 0x000000F4, 0x000000EA, 0x00000065, 0x0000007A,0x000000AE, 0x00000008, 0x000000BA, 0x00000078, 0x00000025,0x0000002E, 0x0000001C, 0x000000A6, 0x000000B4, 0x000000C6,0x000000E8, 0x000000DD, 0x00000074, 0x0000001F, 0x0000004B,0x000000BD, 0x0000008B, 0x0000008A, 0x00000070, 0x0000003E,0x000000B5, 0x00000066, 0x00000048, 0x00000003, 0x000000F6,0x0000000E, 0x00000061, 0x00000035, 0x00000057, 0x000000B9,0x00000086, 0x000000C1, 0x0000001D, 0x0000009E, 0x000000E1,0x000000F8, 0x00000098, 0x00000011, 0x00000069, 0x000000D9,0x0000008E, 0x00000094, 0x0000009B, 0x0000001E, 0x00000087,0x000000E9, 0x000000CE, 0x00000055, 0x00000028, 0x000000DF,0x0000008C, 0x000000A1, 0x00000089, 0x0000000D, 0x000000BF,0x000000E6, 0x00000042, 0x00000068, 0x00000041, 0x00000099,0x0000002D, 0x0000000F, 0x000000B0, 0x00000054, 0x000000BB,0x00000016 };static const uint32 S4[256] = {0x00000052, 0x00000009, 0x0000006A, 0x000000D5, 0x00000030,0x00000036, 0x000000A5, 0x00000038, 0x000000BF, 0x00000040,0x000000A3, 0x0000009E, 0x00000081, 0x000000F3, 0x000000D7,0x000000FB, 0x0000007C, 0x000000E3, 0x00000039, 0x00000082,0x0000009B, 0x0000002F, 0x000000FF, 0x00000087, 0x00000034,0x0000008E, 0x00000043, 0x00000044, 0x000000C4, 0x000000DE,0x000000E9, 0x000000CB, 0x00000054, 0x0000007B, 0x00000094,0x00000032, 0x000000A6, 0x000000C2, 0x00000023, 0x0000003D,0x000000EE, 0x0000004C, 0x00000095, 0x0000000B, 0x00000042,0x000000FA, 0x000000C3, 0x0000004E, 0x00000008, 0x0000002E,0x000000A1, 0x00000066, 0x00000028, 0x000000D9, 0x00000024,0x000000B2, 0x00000076, 0x0000005B, 0x000000A2, 0x00000049,0x0000006D, 0x0000008B, 0x000000D1, 0x00000025, 0x00000072,0x000000F8, 0x000000F6, 0x00000064, 0x00000086, 0x00000068,0x00000098, 0x00000016, 0x000000D4, 0x000000A4, 0x0000005C,0x000000CC, 0x0000005D, 0x00000065, 0x000000B6, 0x00000092,0x0000006C, 0x00000070, 0x00000048, 0x00000050, 0x000000FD,0x000000ED, 0x000000B9, 0x000000DA, 0x0000005E, 0x00000015,0x00000046, 0x00000057, 0x000000A7, 0x0000008D, 0x0000009D,0x00000084, 0x00000090, 0x000000D8, 0x000000AB, 0x00000000,0x0000008C, 0x000000BC, 0x000000D3, 0x0000000A, 0x000000F7,0x000000E4, 0x00000058, 0x00000005, 0x000000B8, 0x000000B3,0x00000045, 0x00000006, 0x000000D0, 0x0000002C, 0x0000001E,0x0000008F, 0x000000CA, 0x0000003F, 0x0000000F, 0x00000002,0x000000C1, 0x000000AF, 0x000000BD, 0x00000003, 0x00000001,0x00000013, 0x0000008A, 0x0000006B, 0x0000003A, 0x00000091,0x00000011, 0x00000041, 0x0000004F, 0x00000067, 0x000000DC,0x000000EA, 0x00000097, 0x000000F2, 0x000000CF, 0x000000CE,0x000000F0, 0x000000B4, 0x000000E6, 0x00000073, 0x00000096,0x000000AC, 0x00000074, 0x00000022, 0x000000E7, 0x000000AD,0x00000035, 0x00000085, 0x000000E2, 0x000000F9, 0x00000037,0x000000E8, 0x0000001C, 0x00000075, 0x000000DF, 0x0000006E,0x00000047, 0x000000F1, 0x0000001A, 0x00000071, 0x0000001D,0x00000029, 0x000000C5, 0x00000089, 0x0000006F, 0x000000B7,0x00000062, 0x0000000E, 0x000000AA, 0x00000018, 0x000000BE,0x0000001B, 0x000000FC, 0x00000056, 0x0000003E, 0x0000004B,0x000000C6, 0x000000D2, 0x00000079, 0x00000020, 0x0000009A,0x000000DB, 0x000000C0, 0x000000FE, 0x00000078, 0x000000CD,0x0000005A, 0x000000F4, 0x0000001F, 0x000000DD, 0x000000A8,0x00000033, 0x00000088, 0x00000007, 0x000000C7, 0x00000031,0x000000B1, 0x00000012, 0x00000010, 0x00000059, 0x00000027,0x00000080, 0x000000EC, 0x0000005F, 0x00000060, 0x00000051,0x0000007F, 0x000000A9, 0x00000019, 0x000000B5, 0x0000004A,0x0000000D, 0x0000002D, 0x000000E5, 0x0000007A, 0x0000009F,0x00000093, 0x000000C9, 0x0000009C, 0x000000EF, 0x000000A0,0x000000E0, 0x0000003B, 0x0000004D, 0x000000AE, 0x0000002A,0x000000F5, 0x000000B0, 0x000000C8, 0x000000EB, 0x000000BB,0x0000003C, 0x00000083, 0x00000053, 0x00000099, 0x00000061,0x00000017, 0x0000002B, 0x00000004, 0x0000007E, 0x000000BA,0x00000077, 0x000000D6, 0x00000026, 0x000000E1, 0x00000069,0x00000014, 0x00000063, 0x00000055, 0x00000021, 0x0000000C,0x0000007D };static const uint32 S5[256] = {0x7ec90c04, 0x2c6e74b9, 0x9b0e66df, 0xa6337911, 0xb86a7fff,0x1dd358f5, 0x44dd9d44, 0x1731167f, 0x08fbf1fa, 0xe7f511cc,0xd2051b00, 0x735aba00, 0x2ab722d8, 0x386381cb, 0xacf6243a,0x69befd7a, 0xe6a2e77f, 0xf0c720cd, 0xc4494816, 0xccf5c180,0x38851640, 0x15b0a848, 0xe68b18cb, 0x4caadeff, 0x5f480a01,0x0412b2aa, 0x259814fc, 0x41d0efe2, 0x4e40b48d, 0x248eb6fb,0x8dba1cfe, 0x41a99b02, 0x1a550a04, 0xba8f65cb, 0x7251f4e7,0x95a51725, 0xc106ecd7, 0x97a5980a, 0xc539b9aa, 0x4d79fe6a,0xf2f3f763, 0x68af8040, 0xed0c9e56, 0x11b4958b, 0xe1eb5a88,0x8709e6b0, 0xd7e07156, 0x4e29fea7, 0x6366e52d, 0x02d1c000,0xc4ac8e05, 0x9377f571, 0x0c05372a, 0x578535f2, 0x2261be02,0xd642a0c9, 0xdf13a280, 0x74b55bd2, 0x682199c0, 0xd421e5ec,0x53fb3ce8, 0xc8adedb3, 0x28a87fc9, 0x3d959981, 0x5c1ff900,0xfe38d399, 0x0c4eff0b, 0x062407ea, 0xaa2f4fb1, 0x4fb96976,0x90c79505, 0xb0a8a774, 0xef55a1ff, 0xe59ca2c2, 0xa6b62d27,0xe66a4263, 0xdf65001f, 0x0ec50966, 0xdfdd55bc, 0x29de0655,0x911e739a, 0x17af8975, 0x32c7911c, 0x89f89468, 0x0d01e980,0x524755f4, 0x03b63cc9, 0x0cc844b2, 0xbcf3f0aa, 0x87ac36e9,0xe53a7426, 0x01b3d82b, 0x1a9e7449, 0x64ee2d7e, 0xcddbb1da,0x01c94910, 0xb868bf80, 0x0d26f3fd, 0x9342ede7, 0x04a5c284,0x636737b6, 0x50f5b616, 0xf24766e3, 0x8eca36c1, 0x136e05db,0xfef18391, 0xfb887a37, 0xd6e7f7d4, 0xc7fb7dc9, 0x3063fcdf,0xb6f589de, 0xec2941da, 0x26e46695, 0xb7566419, 0xf654efc5,0xd08d58b7, 0x48925401, 0xc1bacb7f, 0xe5ff550f, 0xb6083049,0x5bb5d0e8, 0x87d72e5a, 0xab6a6ee1, 0x223a66ce, 0xc62bf3cd,0x9e0885f9, 0x68cb3e47, 0x086c010f, 0xa21de820, 0xd18b69de,0xf3f65777, 0xfa02c3f6, 0x407edac3, 0xcbb3d550, 0x1793084d,0xb0d70eba, 0x0ab378d5, 0xd951fb0c, 0xded7da56, 0x4124bbe4,0x94ca0b56, 0x0f5755d1, 0xe0e1e56e, 0x6184b5be, 0x580a249f,0x94f74bc0, 0xe327888e, 0x9f7b5561, 0xc3dc0280, 0x05687715,0x646c6bd7, 0x44904db3, 0x66b4f0a3, 0xc0f1648a, 0x697ed5af,0x49e92ff6, 0x309e374f, 0x2cb6356a, 0x85808573, 0x4991f840,0x76f0ae02, 0x083be84d, 0x28421c9a, 0x44489406, 0x736e4cb8,0xc1092910, 0x8bc95fc6, 0x7d869cf4, 0x134f616f, 0x2e77118d,0xb31b2be1, 0xaa90b472, 0x3ca5d717, 0x7d161bba, 0x9cad9010,0xaf462ba2, 0x9fe459d2, 0x45d34559, 0xd9f2da13, 0xdbc65487,0xf3e4f94e, 0x176d486f, 0x097c13ea, 0x631da5c7, 0x445f7382,0x175683f4, 0xcdc66a97, 0x70be0288, 0xb3cdcf72, 0x6e5dd2f3,0x20936079, 0x459b80a5, 0xbe60e2db, 0xa9c23101, 0xeba5315c,0x224e42f2, 0x1c5c1572, 0xf6721b2c, 0x1ad2fff3, 0x8c25404e,0x324ed72f, 0x4067b7fd, 0x0523138e, 0x5ca3bc78, 0xdc0fd66e,0x75922283, 0x784d6b17, 0x58ebb16e, 0x44094f85, 0x3f481d87,0xfcfeae7b, 0x77b5ff76, 0x8c2302bf, 0xaaf47556, 0x5f46b02a,0x2b092801, 0x3d38f5f7, 0x0ca81f36, 0x52af4a8a, 0x66d5e7c0,0xdf3b0874, 0x95055110, 0x1b5ad7a8, 0xf61ed5ad, 0x6cf6e479,0x20758184, 0xd0cefa65, 0x88f7be58, 0x4a046826, 0x0ff6f8f3,0xa09c7f70, 0x5346aba0, 0x5ce96c28, 0xe176eda3, 0x6bac307f,0x376829d2, 0x85360fa9, 0x17e3fe2a, 0x24b79767, 0xf5a96b20,0xd6cd2595, 0x68ff1ebf, 0x7555442c, 0xf19f06be, 0xf9e0659a,0xeeb9491d, 0x34010718, 0xbb30cab8, 0xe822fe15, 0x88570983,0x750e6249, 0xda627e55, 0x5e76ffa8, 0xb1534546, 0x6d47de08,0xefe9e7d4 };static const uint32 S6[256] = {0xf6fa8f9d, 0x2cac6ce1, 0x4ca34867, 0xe2337f7c, 0x95db08e7,0x016843b4, 0xeced5cbc, 0x325553ac, 0xbf9f0960, 0xdfa1e2ed,0x83f0579d, 0x63ed86b9, 0x1ab6a6b8, 0xde5ebe39, 0xf38ff732,0x8989b138, 0x33f14961, 0xc01937bd, 0xf506c6da, 0xe4625e7e,0xa308ea99, 0x4e23e33c, 0x79cbd7cc, 0x48a14367, 0xa3149619,0xfec94bd5, 0xa114174a, 0xeaa01866, 0xa084db2d, 0x09a8486f,0xa888614a, 0x2900af98, 0x01665991, 0xe1992863, 0xc8f30c60,0x2e78ef3c, 0xd0d51932, 0xcf0fec14, 0xf7ca07d2, 0xd0a82072,0xfd41197e, 0x9305a6b0, 0xe86be3da, 0x74bed3cd, 0x372da53c,0x4c7f4448, 0xdab5d440, 0x6dba0ec3, 0x083919a7, 0x9fbaeed9,0x49dbcfb0, 0x4e670c53, 0x5c3d9c01, 0x64bdb941, 0x2c0e636a,0xba7dd9cd, 0xea6f7388, 0xe70bc762, 0x35f29adb, 0x5c4cdd8d,0xf0d48d8c, 0xb88153e2, 0x08a19866, 0x1ae2eac8, 0x284caf89,0xaa928223, 0x9334be53, 0x3b3a21bf, 0x16434be3, 0x9aea3906,0xefe8c36e, 0xf890cdd9, 0x80226dae, 0xc340a4a3, 0xdf7e9c09,0xa694a807, 0x5b7c5ecc, 0x221db3a6, 0x9a69a02f, 0x68818a54,0xceb2296f, 0x53c0843a, 0xfe893655, 0x25bfe68a, 0xb4628abc,0xcf222ebf, 0x25ac6f48, 0xa9a99387, 0x53bddb65, 0xe76ffbe7,0xe967fd78, 0x0ba93563, 0x8e342bc1, 0xe8a11be9, 0x4980740d,0xc8087dfc, 0x8de4bf99, 0xa11101a0, 0x7fd37975, 0xda5a26c0,0xe81f994f, 0x9528cd89, 0xfd339fed, 0xb87834bf, 0x5f04456d,0x22258698, 0xc9c4c83b, 0x2dc156be, 0x4f628daa, 0x57f55ec5,0xe2220abe, 0xd2916ebf, 0x4ec75b95, 0x24f2c3c0, 0x42d15d99,0xcd0d7fa0, 0x7b6e27ff, 0xa8dc8af0, 0x7345c106, 0xf41e232f,0x35162386, 0xe6ea8926, 0x3333b094, 0x157ec6f2, 0x372b74af,0x692573e4, 0xe9a9d848, 0xf3160289, 0x3a62ef1d, 0xa787e238,0xf3a5f676, 0x74364853, 0x20951063, 0x4576698d, 0xb6fad407,0x592af950, 0x36f73523, 0x4cfb6e87, 0x7da4cec0, 0x6c152daa,0xcb0396a8, 0xc50dfe5d, 0xfcd707ab, 0x0921c42f, 0x89dff0bb,0x5fe2be78, 0x448f4f33, 0x754613c9, 0x2b05d08d, 0x48b9d585,0xdc049441, 0xc8098f9b, 0x7dede786, 0xc39a3373, 0x42410005,0x6a091751, 0x0ef3c8a6, 0x890072d6, 0x28207682, 0xa9a9f7be,0xbf32679d, 0xd45b5b75, 0xb353fd00, 0xcbb0e358, 0x830f220a,0x1f8fb214, 0xd372cf08, 0xcc3c4a13, 0x8cf63166, 0x061c87be,0x88c98f88, 0x6062e397, 0x47cf8e7a, 0xb6c85283, 0x3cc2acfb,0x3fc06976, 0x4e8f0252, 0x64d8314d, 0xda3870e3, 0x1e665459,0xc10908f0, 0x513021a5, 0x6c5b68b7, 0x822f8aa0, 0x3007cd3e,0x74719eef, 0xdc872681, 0x073340d4, 0x7e432fd9, 0x0c5ec241,0x8809286c, 0xf592d891, 0x08a930f6, 0x957ef305, 0xb7fbffbd,0xc266e96f, 0x6fe4ac98, 0xb173ecc0, 0xbc60b42a, 0x953498da,0xfba1ae12, 0x2d4bd736, 0x0f25faab, 0xa4f3fceb, 0xe2969123,0x257f0c3d, 0x9348af49, 0x361400bc, 0xe8816f4a, 0x3814f200,0xa3f94043, 0x9c7a54c2, 0xbc704f57, 0xda41e7f9, 0xc25ad33a,0x54f4a084, 0xb17f5505, 0x59357cbe, 0xedbd15c8, 0x7f97c5ab,0xba5ac7b5, 0xb6f6deaf, 0x3a479c3a, 0x5302da25, 0x653d7e6a,0x54268d49, 0x51a477ea, 0x5017d55b, 0xd7d25d88, 0x44136c76,0x0404a8c8, 0xb8e5a121, 0xb81a928a, 0x60ed5869, 0x97c55b96,0xeaec991b, 0x29935913, 0x01fdb7f1, 0x088e8dfa, 0x9ab6f6f5,0x3b4cbf9f, 0x4a5de3ab, 0xe6051d35, 0xa0e1d855, 0xd36b4cf1,0xf544edeb, 0xb0e93524, 0xbebb8fbd, 0xa2d762cf, 0x49c92f54,0x38b5f331, 0x7128a454, 0x48392905, 0xa65b1db8, 0x851c97bd,0xd675cf2f };static const uint32 S7[256] = {0x85e04019, 0x332bf567, 0x662dbfff, 0xcfc65693, 0x2a8d7f6f,0xab9bc912, 0xde6008a1, 0x2028da1f, 0x0227bce7, 0x4d642916,0x18fac300, 0x50f18b82, 0x2cb2cb11, 0xb232e75c, 0x4b3695f2,0xb28707de, 0xa05fbcf6, 0xcd4181e9, 0xe150210c, 0xe24ef1bd,0xb168c381, 0xfde4e789, 0x5c79b0d8, 0x1e8bfd43, 0x4d495001,0x38be4341, 0x913cee1d, 0x92a79c3f, 0x089766be, 0xbaeeadf4,0x1286becf, 0xb6eacb19, 0x2660c200, 0x7565bde4, 0x64241f7a,0x8248dca9, 0xc3b3ad66, 0x28136086, 0x0bd8dfa8, 0x356d1cf2,0x107789be, 0xb3b2e9ce, 0x0502aa8f, 0x0bc0351e, 0x166bf52a,0xeb12ff82, 0xe3486911, 0xd34d7516, 0x4e7b3aff, 0x5f43671b,0x9cf6e037, 0x4981ac83, 0x334266ce, 0x8c9341b7, 0xd0d854c0,0xcb3a6c88, 0x47bc2829, 0x4725ba37, 0xa66ad22b, 0x7ad61f1e,0x0c5cbafa, 0x4437f107, 0xb6e79962, 0x42d2d816, 0x0a961288,0xe1a5c06e, 0x13749e67, 0x72fc081a, 0xb1d139f7, 0xf9583745,0xcf19df58, 0xbec3f756, 0xc06eba30, 0x07211b24, 0x45c28829,0xc95e317f, 0xbc8ec511, 0x38bc46e9, 0xc6e6fa14, 0xbae8584a,0xad4ebc46, 0x468f508b, 0x7829435f, 0xf124183b, 0x821dba9f,0xaff60ff4, 0xea2c4e6d, 0x16e39264, 0x92544a8b, 0x009b4fc3,0xaba68ced, 0x9ac96f78, 0x06a5b79a, 0xb2856e6e, 0x1aec3ca9,0xbe838688, 0x0e0804e9, 0x55f1be56, 0xe7e5363b, 0xb3a1f25d,0xf7debb85, 0x61fe033c, 0x16746233, 0x3c034c28, 0xda6d0c74,0x79aac56c, 0x3ce4e1ad, 0x51f0c802, 0x98f8f35a, 0x1626a49f,0xeed82b29, 0x1d382fe3, 0x0c4fb99a, 0xbb325778, 0x3ec6d97b,0x6e77a6a9, 0xcb658b5c, 0xd45230c7, 0x2bd1408b, 0x60c03eb7,0xb9068d78, 0xa33754f4, 0xf430c87d, 0xc8a71302, 0xb96d8c32,0xebd4e7be, 0xbe8b9d2d, 0x7979fb06, 0xe7225308, 0x8b75cf77,0x11ef8da4, 0xe083c858, 0x8d6b786f, 0x5a6317a6, 0xfa5cf7a0,0x5dda0033, 0xf28ebfb0, 0xf5b9c310, 0xa0eac280, 0x08b9767a,0xa3d9d2b0, 0x79d34217, 0x021a718d, 0x9ac6336a, 0x2711fd60,0x438050e3, 0x069908a8, 0x3d7fedc4, 0x826d2bef, 0x4eeb8476,0x488dcf25, 0x36c9d566, 0x28e74e41, 0xc2610aca, 0x3d49a9cf,0xbae3b9df, 0xb65f8de6, 0x92aeaf64, 0x3ac7d5e6, 0x9ea80509,0xf22b017d, 0xa4173f70, 0xdd1e16c3, 0x15e0d7f9, 0x50b1b887,0x2b9f4fd5, 0x625aba82, 0x6a017962, 0x2ec01b9c, 0x15488aa9,0xd716e740, 0x40055a2c, 0x93d29a22, 0xe32dbf9a, 0x058745b9,0x3453dc1e, 0xd699296e, 0x496cff6f, 0x1c9f4986, 0xdfe2ed07,0xb87242d1, 0x19de7eae, 0x053e561a, 0x15ad6f8c, 0x66626c1c,0x7154c24c, 0xea082b2a, 0x93eb2939, 0x17dcb0f0, 0x58d4f2ae,0x9ea294fb, 0x52cf564c, 0x9883fe66, 0x2ec40581, 0x763953c3,0x01d6692e, 0xd3a0c108, 0xa1e7160e, 0xe4f2dfa6, 0x693ed285,0x74904698, 0x4c2b0edd, 0x4f757656, 0x5d393378, 0xa132234f,0x3d321c5d, 0xc3f5e194, 0x4b269301, 0xc79f022f, 0x3c997e7e,0x5e4f9504, 0x3ffafbbd, 0x76f7ad0e, 0x296693f4, 0x3d1fce6f,0xc61e45be, 0xd3b5ab34, 0xf72bf9b7, 0x1b0434c0, 0x4e72b567,0x5592a33d, 0xb5229301, 0xcfd2a87f, 0x60aeb767, 0x1814386b,0x30bcc33d, 0x38a0c07d, 0xfd1606f2, 0xc363519b, 0x589dd390,0x5479f8e6, 0x1cb8d647, 0x97fd61a9, 0xea7759f4, 0x2d57539d,0x569a58cf, 0xe84e63ad, 0x462e1b78, 0x6580f87e, 0xf3817914,0x91da55f4, 0x40a230f3, 0xd1988f35, 0xb6e318d2, 0x3ffa50bc,0x3d40f021, 0xc3c0bdae, 0x4958c24c, 0x518f36b2, 0x84b1d370,0x0fedce83, 0x878ddada, 0xf2a279c7, 0x94e01be8, 0x90716f4b,0x954b8aa3 };static const uint32 S8[256] = {0xe216300d, 0xbbddfffc, 0xa7ebdabd, 0x35648095, 0x7789f8b7,0xe6c1121b, 0x0e241600, 0x052ce8b5, 0x11a9cfb0, 0xe5952f11,0xece7990a, 0x9386d174, 0x2a42931c, 0x76e38111, 0xb12def3a,0x37ddddfc, 0xde9adeb1, 0x0a0cc32c, 0xbe197029, 0x84a00940,0xbb243a0f, 0xb4d137cf, 0xb44e79f0, 0x049eedfd, 0x0b15a15d,0x480d3168, 0x8bbbde5a, 0x669ded42, 0xc7ece831, 0x3f8f95e7,0x72df191b, 0x7580330d, 0x94074251, 0x5c7dcdfa, 0xabbe6d63,0xaa402164, 0xb301d40a, 0x02e7d1ca, 0x53571dae, 0x7a3182a2,0x12a8ddec, 0xfdaa335d, 0x176f43e8, 0x71fb46d4, 0x38129022,0xce949ad4, 0xb84769ad, 0x965bd862, 0x82f3d055, 0x66fb9767,0x15b80b4e, 0x1d5b47a0, 0x4cfde06f, 0xc28ec4b8, 0x57e8726e,0x647a78fc, 0x99865d44, 0x608bd593, 0x6c200e03, 0x39dc5ff6,0x5d0b00a3, 0xae63aff2, 0x7e8bd632, 0x70108c0c, 0xbbd35049,0x2998df04, 0x980cf42a, 0x9b6df491, 0x9e7edd53, 0x06918548,0x58cb7e07, 0x3b74ef2e, 0x522fffb1, 0xd24708cc, 0x1c7e27cd,0xa4eb215b, 0x3cf1d2e2, 0x19b47a38, 0x424f7618, 0x35856039,0x9d17dee7, 0x27eb35e6, 0xc9aff67b, 0x36baf5b8, 0x09c467cd,0xc18910b1, 0xe11dbf7b, 0x06cd1af8, 0x7170c608, 0x2d5e3354,0xd4de495a, 0x64c6d006, 0xbcc0c62c, 0x3dd00db3, 0x708f8f34,0x77d51b42, 0x264f620f, 0x24b8d2bf, 0x15c1b79e, 0x46a52564,0xf8d7e54e, 0x3e378160, 0x7895cda5, 0x859c15a5, 0xe6459788,0xc37bc75f, 0xdb07ba0c, 0x0676a3ab, 0x7f229b1e, 0x31842e7b,0x24259fd7, 0xf8bef472, 0x835ffcb8, 0x6df4c1f2, 0x96f5b195,0xfd0af0fc, 0xb0fe134c, 0xe2506d3d, 0x4f9b12ea, 0xf215f225,0xa223736f, 0x9fb4c428, 0x25d04979, 0x34c713f8, 0xc4618187,0xea7a6e98, 0x7cd16efc, 0x1436876c, 0xf1544107, 0xbedeee14,0x56e9af27, 0xa04aa441, 0x3cf7c899, 0x92ecbae6, 0xdd67016d,0x151682eb, 0xa842eedf, 0xfdba60b4, 0xf1907b75, 0x20e3030f,0x24d8c29e, 0xe139673b, 0xefa63fb8, 0x71873054, 0xb6f2cf3b,0x9f326442, 0xcb15a4cc, 0xb01a4504, 0xf1e47d8d, 0x844a1be5,0xbae7dfdc, 0x42cbda70, 0xcd7dae0a, 0x57e85b7a, 0xd53f5af6,0x20cf4d8c, 0xcea4d428, 0x79d130a4, 0x3486ebfb, 0x33d3cddc,0x77853b53, 0x37effcb5, 0xc5068778, 0xe580b3e6, 0x4e68b8f4,0xc5c8b37e, 0x0d809ea2, 0x398feb7c, 0x132a4f94, 0x43b7950e,0x2fee7d1c, 0x223613bd, 0xdd06caa2, 0x37df932b, 0xc4248289,0xacf3ebc3, 0x5715f6b7, 0xef3478dd, 0xf267616f, 0xc148cbe4,0x9052815e, 0x5e410fab, 0xb48a2465, 0x2eda7fa4, 0xe87b40e4,0xe98ea084, 0x5889e9e1, 0xefd390fc, 0xdd07d35b, 0xdb485694,0x38d7e5b2, 0x57720101, 0x730edebc, 0x5b643113, 0x94917e4f,0x503c2fba, 0x646f1282, 0x7523d24a, 0xe0779695, 0xf9c17a8f,0x7a5b2121, 0xd187b896, 0x29263a4d, 0xba510cdf, 0x81f47c9f,0xad1163ed, 0xea7b5965, 0x1a00726e, 0x11403092, 0x00da6d77,0x4a0cdd61, 0xad1f4603, 0x605bdfb0, 0x9eedc364, 0x22ebe6a8,0xcee7d28a, 0xa0e736a0, 0x5564a6b9, 0x10853209, 0xc7eb8f37,0x2de705ca, 0x8951570f, 0xdf09822b, 0xbd691a6c, 0xaa12e4f2,0x87451c0f, 0xe0f6a27a, 0x3ada4819, 0x4cf1764f, 0x0d771c2b,0x67cdb156, 0x350d8384, 0x5938fa0f, 0x42399ef3, 0x36997b07,0x0e84093d, 0x4aa93e61, 0x8360d87b, 0x1fa98b0c, 0x1149382c,0xe97625a5, 0x0614d1b7, 0x0e25244b, 0x0c768347, 0x589e8d82,0x0d2059d1, 0xa466bb1e, 0xf8da0a82, 0x04f19130, 0xba6e4ec0,0x99265164, 0x1ee7230d, 0x50b2ad80, 0xeaee6801, 0x8db2a283,0xea8bf59e };/* fetch a uint32 from an array of uint8s (with a given offset) */#define fetch(ptr, base) (((((( ptr[base]<< 8 ) | ptr[base+1] )<< 8 ) | ptr[base+2] )<< 8 ) | ptr[base+3])/* this is the round function f(D, Km, Kr) */static uint32 castfunc(uint32 D, uint32 Kmi, uint8 Kri, int type){ uint32 I, f; short Ia, Ib, Ic, Id; switch (type) { case 0: I = (Kmi + D); break; case 1: I = (Kmi ^ D); break; default: case 2: I = (Kmi - D); break; } I &= 0xFFFFFFFF; I = (I << Kri) | (I >> (32 - Kri)); Ia = (I >> 24) & 0xFF; Ib = (I >> 16) & 0xFF; Ic = (I >> 8) & 0xFF; Id = (I) & 0xFF; switch (type) { case 0: f = ((S1[Ia] ^ S2[Ib]) - S3[Ic]) + S4[Id]; break; case 1: f = ((S1[Ia] - S2[Ib]) + S3[Ic]) ^ S4[Id]; break; default: case 2: f = ((S1[Ia] + S2[Ib]) ^ S3[Ic]) - S4[Id]; break; } return f;}/* encrypts/decrypts one block of data according to the key schedule pointed to by `key'. Encrypts if decrypt=0, otherwise decrypts. */void castcrypt(block_state *key, uint8 *block, int decrypt){ uint32 L, R, tmp, f; uint32 Kmi; uint8 Kri; short functype, round; L = fetch(block, 0); R = fetch(block, 4); /* printf("L0 = %08x R0 = %08x\n", L, R); */ for (round = 0; round < key->rounds; round++) { if (!decrypt) { Kmi = key->Km[round]; Kri = key->Kr[round]; functype = round % 3; } else { Kmi = key->Km[(key->rounds) - round - 1]; Kri = key->Kr[(key->rounds) - round - 1]; functype = (((key->rounds) - round - 1) % 3); } f = castfunc(R, Kmi, Kri, functype); tmp = L; L = R; R = tmp ^ f; //printf("L%d = %08x R%d = %08x\n", round+1, L, round+1, R); } block[0] = (R & 0xFF000000) >> 24; block[1] = (R & 0x00FF0000) >> 16; block[2] = (R & 0x0000FF00) >> 8; block[3] = (R & 0x000000FF); block[4] = (L & 0xFF000000) >> 24; block[5] = (L & 0x00FF0000) >> 16; block[6] = (L & 0x0000FF00) >> 8; block[7] = (L & 0x000000FF);}/* fetch a uint8 from an array of uint32s */#define b(a,n) (((a)[n/4] >> (24-((n&3)*8))) & 0xFF)/* key schedule round functions */#define XZRound(T, F, ki1, ki2, ki3, ki4, \ si11, si12, si13, si14, si15,\ si25,\ si35,\ si45 ) \ T[0] = F[ki1] ^ S5[si11 ] ^ S6[si12 ] ^ S7[si13 ] ^ S8[si14 ] ^ S7[si15];\ T[1] = F[ki2] ^ S5[b(T, 0)] ^ S6[b(T,2)] ^ S7[b(T, 1)] ^ S8[b(T,3)] ^ S8[si25];\ T[2] = F[ki3] ^ S5[b(T, 7)] ^ S6[b(T,6)] ^ S7[b(T, 5)] ^ S8[b(T,4)] ^ S5[si35];\ T[3] = F[ki4] ^ S5[b(T,10)] ^ S6[b(T,9)] ^ S7[b(T,11)] ^ S8[b(T,8)] ^ S6[si45];#define zxround() XZRound(z, x, 0, 2, 3, 1, \ b(x,13), b(x,15), b(x,12), b(x,14),\ b(x, 8), b(x,10), b(x, 9), b(x,11))#define xzround() XZRound(x, z, 2, 0, 1, 3, \ b(z,5), b(z,7), b(z,4), b(z,6), \ b(z,0), b(z,2), b(z,1), b(z,3))#define Kround(T, base, F,\ i11, i12, i13, i14, i15,\ i21, i22, i23, i24, i25,\ i31, i32, i33, i34, i35,\ i41, i42, i43, i44, i45)\ T[base+0] = S5[b(F,i11)] ^ S6[b(F,i12)] ^ S7[b(F,i13)] ^ S8[b(F,i14)] ^ S5[b(F,i15)];\ T[base+1] = S5[b(F,i21)] ^ S6[b(F,i22)] ^ S7[b(F,i23)] ^ S8[b(F,i24)] ^ S6[b(F,i25)];\ T[base+2] = S5[b(F,i31)] ^ S6[b(F,i32)] ^ S7[b(F,i33)] ^ S8[b(F,i34)] ^ S7[b(F,i35)];\ T[base+3] = S5[b(F,i41)] ^ S6[b(F,i42)] ^ S7[b(F,i43)] ^ S8[b(F,i44)] ^ S8[b(F,i45)];/* generates sixteen 32-bit subkeys based on a 4x32-bit input key; modifies the input key *in as well. */static void schedulekeys_half(uint32 *in, uint32 *keys){ uint32 x[4], z[4]; x[0] = in[0]; x[1] = in[1]; x[2] = in[2]; x[3] = in[3]; zxround(); Kround(keys, 0, z, 8, 9, 7, 6, 2, 10, 11, 5, 4, 6, 12, 13, 3, 2, 9, 14, 15, 1, 0, 12); xzround(); Kround(keys, 4, x, 3, 2, 12, 13, 8, 1, 0, 14, 15, 13, 7, 6, 8, 9, 3, 5, 4, 10, 11, 7); zxround(); Kround(keys, 8, z, 3, 2, 12, 13, 9, 1, 0, 14, 15, 12, 7, 6, 8, 9, 2, 5, 4, 10, 11, 6); xzround(); Kround(keys, 12, x, 8, 9, 7, 6, 3, 10, 11, 5, 4, 7, 12, 13, 3, 2, 8, 14, 15, 1, 0, 13); in[0] = x[0]; in[1] = x[1]; in[2] = x[2]; in[3] = x[3];}/* generates a key schedule from an input key */void castschedulekeys(block_state *schedule, uint8 *key, int keybytes){ uint32 x[4]; uint8 paddedkey[16]; uint32 Kr_wide[16]; int i; for (i = 0; i < keybytes; i++) paddedkey[i] = key[i]; for (; i < 16; i++) paddedkey[i] = 0; if (keybytes <= 10) schedule->rounds = 12; else schedule->rounds = 16; x[0] = fetch(paddedkey, 0); x[1] = fetch(paddedkey, 4); x[2] = fetch(paddedkey, 8); x[3] = fetch(paddedkey, 12); schedulekeys_half(x, schedule->Km); schedulekeys_half(x, Kr_wide); for (i = 0; i < 16; i++) { /* The Kr[] subkeys are used for 32-bit circular shifts, so we only need to keep them modulo 32 */ schedule->Kr[i] = (uint8)(Kr_wide[i] & 0x1F); }} |
cast.h
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | #pragma oncetypedef uint32_t uint32;typedef uint8_t uint8;typedef struct { /* masking and rotate keys */ uint32 Km[16]; uint8 Kr[16]; /* number of rounds (depends on original unpadded keylength) */ int rounds;} block_state;void castschedulekeys(block_state *schedule, uint8 *key, int keybytes);void castcrypt(block_state *key, uint8 *block, int decrypt); |
test.cpp
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 | #include "stdafx.h"#include "cast.h"void print_buf(const void *buf, size_t len){ const PBYTE pb = (const PBYTE)buf; for (size_t i = 0; i < len; i++) { printf("%02X ", pb[i]); if (((i + 1) % 16) == 0) { printf("\n"); } } printf("\n");}void test_encrypt(){ const char *key = "findViewById(I)L"; BYTE ary[256] = { 0x00, 0x02, 0x01, 0x03, 0xA8, 0xAA, 0xA9, 0xAB, 0x54, 0x56, 0x55, 0x57, 0xFC, 0xFE, 0xFD, 0xFF, 0x0A, 0x08, 0x0B, 0x09, 0xA2, 0xA0, 0xA3, 0xA1, 0x5E, 0x5C, 0x5F, 0x5D, 0xF6, 0xF4, 0xF7, 0xF5, 0x05, 0x07, 0x04, 0x06, 0xAD, 0xAF, 0xAC, 0xAE, 0x51, 0x53, 0x50, 0x52, 0xF9, 0xFB, 0xF8, 0xFA, 0x0F, 0x0D, 0x0E, 0x0C, 0xA7, 0xA5, 0xA6, 0xA4, 0x5B, 0x59, 0x5A, 0x58, 0xF3, 0xF1, 0xF2, 0xF0, 0x20, 0x22, 0x21, 0x23, 0x88, 0x8A, 0x89, 0x8B, 0x74, 0x76, 0x75, 0x77, 0xDC, 0xDE, 0xDD, 0xDF, 0x2A, 0x28, 0x2B, 0x29, 0x82, 0x80, 0x83, 0x81, 0x7E, 0x7C, 0x7F, 0x7D, 0xD6, 0xD4, 0xD7, 0xD5, 0x25, 0x27, 0x24, 0x26, 0x8D, 0x8F, 0x8C, 0x8E, 0x71, 0x73, 0x70, 0x72, 0xD9, 0xDB, 0xD8, 0xDA, 0x2F, 0x2D, 0x2E, 0x2C, 0x87, 0x85, 0x86, 0x84, 0x7B, 0x79, 0x7A, 0x78, 0xD3, 0xD1, 0xD2, 0xD0, 0x10, 0x12, 0x11, 0x13, 0xB8, 0xBA, 0xB9, 0xBB, 0x44, 0x46, 0x45, 0x47, 0xEC, 0xEE, 0xED, 0xEF, 0x1A, 0x18, 0x1B, 0x19, 0xB2, 0xB0, 0xB3, 0xB1, 0x4E, 0x4C, 0x4F, 0x4D, 0xE6, 0xE4, 0xE7, 0xE5, 0x15, 0x17, 0x14, 0x16, 0xBD, 0xBF, 0xBC, 0xBE, 0x41, 0x43, 0x40, 0x42, 0xE9, 0xEB, 0xE8, 0xEA, 0x1F, 0x1D, 0x1E, 0x1C, 0xB7, 0xB5, 0xB6, 0xB4, 0x4B, 0x49, 0x4A, 0x48, 0xE3, 0xE1, 0xE2, 0xE0, 0x30, 0x32, 0x31, 0x33, 0x98, 0x9A, 0x99, 0x9B, 0x64, 0x66, 0x65, 0x67, 0xCC, 0xCE, 0xCD, 0xCF, 0x3A, 0x38, 0x3B, 0x39, 0x92, 0x90, 0x93, 0x91, 0x6E, 0x6C, 0x6F, 0x6D, 0xC6, 0xC4, 0xC7, 0xC5, 0x35, 0x37, 0x34, 0x36, 0x9D, 0x9F, 0x9C, 0x9E, 0x61, 0x63, 0x60, 0x62, 0xC9, 0xCB, 0xC8, 0xCA, 0x3F, 0x3D, 0x3E, 0x3C, 0x97, 0x95, 0x96, 0x94, 0x6B, 0x69, 0x6A, 0x68, 0xC3, 0xC1, 0xC2, 0xC0, }; block_state sched; castschedulekeys(&sched, (uint8 *)key, strlen(key)); sched.rounds = 12; BYTE buf[200] = { 0 }; const char *flag = "flag{1111111122222222333333334444444455555555666666667777777788}"; memcpy(buf, flag, strlen(flag)); for (size_t k = 0; k < sizeof(buf); k += 8) { PBYTE pb = buf + k; castcrypt(&sched, pb, 0); for (size_t i = 0; i < 8; i++) { pb[i] = ary[pb[i]]; } } print_buf(buf, sizeof(buf));}void test_decrypt(){ const char *key = "findViewById(I)L"; BYTE ary_rev[256] = { 0x00, 0x02, 0x01, 0x03, 0x22, 0x20, 0x23, 0x21, 0x11, 0x13, 0x10, 0x12, 0x33, 0x31, 0x32, 0x30, 0x80, 0x82, 0x81, 0x83, 0xA2, 0xA0, 0xA3, 0xA1, 0x91, 0x93, 0x90, 0x92, 0xB3, 0xB1, 0xB2, 0xB0, 0x40, 0x42, 0x41, 0x43, 0x62, 0x60, 0x63, 0x61, 0x51, 0x53, 0x50, 0x52, 0x73, 0x71, 0x72, 0x70, 0xC0, 0xC2, 0xC1, 0xC3, 0xE2, 0xE0, 0xE3, 0xE1, 0xD1, 0xD3, 0xD0, 0xD2, 0xF3, 0xF1, 0xF2, 0xF0, 0xAA, 0xA8, 0xAB, 0xA9, 0x88, 0x8A, 0x89, 0x8B, 0xBB, 0xB9, 0xBA, 0xB8, 0x99, 0x9B, 0x98, 0x9A, 0x2A, 0x28, 0x2B, 0x29, 0x08, 0x0A, 0x09, 0x0B, 0x3B, 0x39, 0x3A, 0x38, 0x19, 0x1B, 0x18, 0x1A, 0xEA, 0xE8, 0xEB, 0xE9, 0xC8, 0xCA, 0xC9, 0xCB, 0xFB, 0xF9, 0xFA, 0xF8, 0xD9, 0xDB, 0xD8, 0xDA, 0x6A, 0x68, 0x6B, 0x69, 0x48, 0x4A, 0x49, 0x4B, 0x7B, 0x79, 0x7A, 0x78, 0x59, 0x5B, 0x58, 0x5A, 0x55, 0x57, 0x54, 0x56, 0x77, 0x75, 0x76, 0x74, 0x44, 0x46, 0x45, 0x47, 0x66, 0x64, 0x67, 0x65, 0xD5, 0xD7, 0xD4, 0xD6, 0xF7, 0xF5, 0xF6, 0xF4, 0xC4, 0xC6, 0xC5, 0xC7, 0xE6, 0xE4, 0xE7, 0xE5, 0x15, 0x17, 0x14, 0x16, 0x37, 0x35, 0x36, 0x34, 0x04, 0x06, 0x05, 0x07, 0x26, 0x24, 0x27, 0x25, 0x95, 0x97, 0x94, 0x96, 0xB7, 0xB5, 0xB6, 0xB4, 0x84, 0x86, 0x85, 0x87, 0xA6, 0xA4, 0xA7, 0xA5, 0xFF, 0xFD, 0xFE, 0xFC, 0xDD, 0xDF, 0xDC, 0xDE, 0xEE, 0xEC, 0xEF, 0xED, 0xCC, 0xCE, 0xCD, 0xCF, 0x7F, 0x7D, 0x7E, 0x7C, 0x5D, 0x5F, 0x5C, 0x5E, 0x6E, 0x6C, 0x6F, 0x6D, 0x4C, 0x4E, 0x4D, 0x4F, 0xBF, 0xBD, 0xBE, 0xBC, 0x9D, 0x9F, 0x9C, 0x9E, 0xAE, 0xAC, 0xAF, 0xAD, 0x8C, 0x8E, 0x8D, 0x8F, 0x3F, 0x3D, 0x3E, 0x3C, 0x1D, 0x1F, 0x1C, 0x1E, 0x2E, 0x2C, 0x2F, 0x2D, 0x0C, 0x0E, 0x0D, 0x0F, }; block_state sched; castschedulekeys(&sched, (uint8 *)key, strlen(key)); sched.rounds = 12; BYTE buf[200] = { 0 }; string dst = util::hex2bin("68dd8a0f7065609e3106fb2bb1059423e80fb1347318ffeb83b8a074a7e6c9cf"); size_t len = dst.size(); memcpy(buf, dst.c_str(), len); for (size_t k = 0; k < len; k += 8) { PBYTE pb = buf + k; for (size_t i = 0; i < 8; i++) { pb[i] = ary_rev[pb[i]]; } castcrypt(&sched, pb, 1); } printf("%s\n", buf);}void print_int(const void *buf, size_t len){ const PDWORD pb = (const PDWORD)buf; for (size_t i = 0; i < len / 4; i++) { printf("0x%08X, ", pb[i]); if (((i + 1) % 16) == 0) { printf("\n"); } } printf("\n");}int main(){ //test_encrypt(); test_decrypt(); return 0;} |
最后于 2019-12-15 19:23
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