git.zerfleddert.de Git - proxmark3-svn/blob - client/cmdlft55xx.c

   1 //-----------------------------------------------------------------------------
   2 //
   3 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   4 // at your option, any later version. See the LICENSE.txt file for the text of
   5 // the license.
   6 //-----------------------------------------------------------------------------
   7 // Low frequency T55xx commands
   8 //-----------------------------------------------------------------------------
   9
  10 #include <stdio.h>
  11 #include <string.h>
  12 #include <inttypes.h>
  13 #include "proxmark3.h"
  14 #include "ui.h"
  15 #include "graph.h"
  16 #include "cmdmain.h"
  17 #include "cmdparser.h"
  18 #include "cmddata.h"
  19 #include "cmdlf.h"
  20 #include "cmdlft55xx.h"
  21 #include "util.h"
  22 #include "data.h"
  23 #include "lfdemod.h"
  24
  25 #define LF_TRACE_BUFF_SIZE 20000 // 32 x 32 x 10  (32 bit times numofblock (7), times clock skip..)
  26 #define LF_BITSSTREAM_LEN 1000 // more then 1000 bits shouldn't happend..  8block * 4 bytes * 8bits =
  27
  28 int usage_t55xx_rd(){
  29         PrintAndLog("Usage:  lf t55xx rd <block> <password>");
  30     PrintAndLog("     <block>, block number to read. Between 0-7");
  31     PrintAndLog("     <password>, OPTIONAL password (8 hex characters)");
  32     PrintAndLog("");
  33     PrintAndLog("    sample: lf t55xx rd 0           = try reading data from block 0");
  34         PrintAndLog("          : lf t55xx rd 0 feedbeef  = try reading data from block 0 using password");
  35         PrintAndLog("");
  36         return 0;
  37 }
  38 int usage_t55xx_wr(){
  39         PrintAndLog("Usage:  lf t55xx wr <block> <data> [password]");
  40     PrintAndLog("     <block>, block number to read. Between 0-7");
  41         PrintAndLog("     <data>,  4 bytes of data to write (8 hex characters)");
  42     PrintAndLog("     [password], OPTIONAL password 4bytes (8 hex characters)");
  43     PrintAndLog("");
  44     PrintAndLog("    sample: lf t55xx wd 3 11223344  = try writing data 11223344 to block 3");
  45         PrintAndLog("          : lf t55xx wd 3 11223344 feedbeef  = try writing data 11223344 to block 3 using password feedbeef");
  46         PrintAndLog("");
  47         return 0;
  48 }
  49 int usage_t55xx_trace() {
  50         PrintAndLog("Usage:  lf t55xx trace  [graph buffer data]");
  51         PrintAndLog("     [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");
  52         PrintAndLog("");
  53         PrintAndLog("     sample: lf t55xx trace");
  54         PrintAndLog("           : lf t55xx trace 1");
  55         PrintAndLog("");
  56         return 0;
  57 }
  58 int usage_t55xx_info() {
  59         PrintAndLog("Usage:  lf t55xx info [graph buffer data]");
  60         PrintAndLog("     [graph buffer data], if set, use Graphbuffer otherwise read data from tag.");
  61         PrintAndLog("");
  62         PrintAndLog("    sample: lf t55xx info");
  63         PrintAndLog("          : lf t55xx info 1");
  64         PrintAndLog("");
  65         return 0;
  66 }
  67
  68 int usage_t55xx_dump(){
  69         PrintAndLog("Usage:  lf t55xx dump <password>");
  70     PrintAndLog("     <password>, OPTIONAL password 4bytes (8 hex characters)");
  71         PrintAndLog("");
  72         PrintAndLog("        sample: lf t55xx dump");
  73         PrintAndLog("              : lf t55xx dump feedbeef");
  74         PrintAndLog("");
  75         return 0;
  76 }
  77 static int CmdHelp(const char *Cmd);
  78
  79 int CmdReadBlk(const char *Cmd)
  80 {
  81         int invert = 0;
  82         int clk = 0;
  83         int block = -1;
  84         int password = 0xFFFFFFFF; //default to blank Block 7
  85         int errCnt;
  86         size_t bitlen;
  87         int maxErr = 100;
  88     uint8_t askAmp = 0;
  89         uint32_t blockData;
  90         uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00};
  91
  92
  93         char cmdp = param_getchar(Cmd, 0);
  94         if (cmdp == 'h' || cmdp == 'H') {
  95                 usage_t55xx_rd();
  96                 return 0;
  97         }
  98
  99         int res = sscanf(Cmd, "%d %x", &block, &password);
 100
 101         if ( res < 1 || res > 2 ){
 102                 usage_t55xx_rd();
 103                 return 1;
 104         }
 105
 106         if ((block < 0) | (block > 7)) {
 107                 PrintAndLog("Block must be between 0 and 7");
 108                 return 1;
 109         }
 110
 111         UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}};
 112         c.d.asBytes[0] = 0x0;
 113
 114         //Password mode
 115         if ( res == 2 ) {
 116                 c.arg[2] = password;
 117                 c.d.asBytes[0] = 0x1;
 118         }
 119
 120         SendCommand(&c);
 121         if ( !WaitForResponseTimeout(CMD_ACK,NULL,1500) ) {
 122                 PrintAndLog("command execution time out");
 123                 return 2;
 124         }
 125
 126         CmdSamples("12000");
 127
 128         bitlen = getFromGraphBuf(bits);
 129
 130         errCnt = askrawdemod(bits, &bitlen, &clk, &invert, maxErr, askAmp);
 131
 132         //throw away static - allow 1 and -1 (in case of threshold command first)
 133         if ( errCnt == -1 || bitlen < 16 ){
 134                 PrintAndLog("no data found");
 135                 if (g_debugMode)
 136                         PrintAndLog("errCnt: %d, bitlen: %d, clk: %d, invert: %d", errCnt, bitlen, clk, invert);
 137                 return 3;
 138         }
 139         if (g_debugMode)
 140                 PrintAndLog("Using Clock: %d - invert: %d - Bits Found: %d", clk, invert, bitlen);
 141
 142         //move bits back to DemodBuffer
 143         setDemodBuf(bits, bitlen, 0);
 144         printBitStream(bits,bitlen);
 145
 146         // bits has the manchester encoded data.
 147         errCnt = manrawdecode(bits, &bitlen);
 148         if ( errCnt == -1 || bitlen < 16 ){
 149                 PrintAndLog("no data found");
 150                 if (g_debugMode)
 151                         PrintAndLog("errCnt: %d, bitlen: %d, clk: %d, invert: %d", errCnt, bitlen, clk, invert);
 152                 return 4;
 153         }
 154
 155         blockData = PackBits(0, 32, bits);
 156
 157         if ( block < 0)
 158                 PrintAndLog(" Decoded     : 0x%08X  %s", blockData, sprint_bin(bits,32) );
 159         else
 160                 PrintAndLog(" Block %d    : 0x%08X  %s", block, blockData, sprint_bin(bits,32) );
 161
 162         return 0;
 163 }
 164
 165 int CmdWriteBlk(const char *Cmd)
 166 {
 167         int block = 8; //default to invalid block
 168         int data = 0xFFFFFFFF; //default to blank Block
 169         int password = 0xFFFFFFFF; //default to blank Block 7
 170
 171         char cmdp = param_getchar(Cmd, 0);
 172         if (cmdp == 'h' || cmdp == 'H') {
 173                 usage_t55xx_wr();
 174                 return 0;
 175         }
 176
 177         int res = sscanf(Cmd, "%d %x %x",&block, &data, &password);
 178
 179         if ( res < 2 || res > 3) {
 180                 usage_t55xx_wr();
 181                 return 1;
 182         }
 183
 184         if (block > 7) {
 185                 PrintAndLog("Block must be between 0 and 7");
 186                 return 1;
 187         }
 188
 189         UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
 190         c.d.asBytes[0] = 0x0;
 191
 192         if (res == 2) {
 193                 PrintAndLog("Writing block %d  data %08X", block, data);
 194         } else {
 195                 //Password mode
 196                 c.arg[2] = password;
 197                 c.d.asBytes[0] = 0x1;
 198                 PrintAndLog("Writing block %d  data %08X  password %08X", block, data, password);
 199         }
 200
 201         SendCommand(&c);
 202         return 0;
 203 }
 204
 205 int CmdReadTrace(const char *Cmd)
 206 {
 207         char cmdp = param_getchar(Cmd, 0);
 208
 209         if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
 210                 usage_t55xx_trace();
 211                 return 0;
 212         }
 213
 214         if ( strlen(Cmd)==0){
 215
 216                 UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}};
 217                 SendCommand(&c);
 218                 WaitForResponse(CMD_ACK, NULL);
 219
 220                 uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};
 221
 222                 GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0);  //3560 -- should be offset..
 223                 WaitForResponseTimeout(CMD_ACK,NULL, 1500);
 224
 225                 for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {
 226                         GraphBuffer[j] = ((int)data[j]);
 227                 }
 228                 GraphTraceLen = LF_TRACE_BUFF_SIZE;
 229         }
 230
 231         uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};
 232         uint8_t * bitstream = bits;
 233
 234         manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN);
 235         RepaintGraphWindow();
 236
 237         uint8_t si = 5;
 238         uint32_t bl0     = PackBits(si, 32, bitstream);
 239         uint32_t bl1     = PackBits(si+32, 32, bitstream);
 240
 241         uint32_t acl     = PackBits(si,  8, bitstream); si += 8;
 242         uint32_t mfc     = PackBits(si, 8, bitstream); si += 8;
 243         uint32_t cid     = PackBits(si, 5, bitstream); si += 5;
 244         uint32_t icr     = PackBits(si, 3, bitstream); si += 3;
 245         uint32_t year    = PackBits(si, 4, bitstream); si += 4;
 246         uint32_t quarter = PackBits(si, 2, bitstream); si += 2;
 247         uint32_t lotid    = PackBits(si, 12, bitstream); si += 12;
 248         uint32_t wafer   = PackBits(si, 5, bitstream); si += 5;
 249         uint32_t dw      = PackBits(si, 15, bitstream);
 250
 251         PrintAndLog("");
 252         PrintAndLog("-- T55xx Trace Information ----------------------------------");
 253         PrintAndLog("-------------------------------------------------------------");
 254         PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1)  : 0x%02X (%d)", acl, acl);
 255         PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6)    : 0x%02X (%d)", mfc, mfc);
 256         PrintAndLog(" CID                                     : 0x%02X (%d)", cid, cid);
 257         PrintAndLog(" ICR IC Revision                         : %d",icr );
 258         PrintAndLog(" Manufactured");
 259         PrintAndLog("     Year/Quarter : %d/%d",2000+year, quarter );
 260         PrintAndLog("     Lot ID       : %d", lotid );
 261         PrintAndLog("     Wafer number : %d", wafer);
 262         PrintAndLog("     Die Number   : %d", dw);
 263         PrintAndLog("-------------------------------------------------------------");
 264         PrintAndLog(" Raw Data - Page 1");
 265         PrintAndLog("     Block 0  : 0x%08X  %s", bl0, sprint_bin(bitstream+5,32) );
 266         PrintAndLog("     Block 0  : 0x%08X  %s", bl1, sprint_bin(bitstream+37,32) );
 267         PrintAndLog("-------------------------------------------------------------");
 268         /*
 269         TRACE - BLOCK O
 270                 Bits    Definition                                                              HEX
 271                 1-8             ACL Allocation class (ISO/IEC 15963-1)  0xE0
 272                 9-16    MFC Manufacturer ID (ISO/IEC 7816-6)    0x15 Atmel Corporation
 273                 17-21   CID                                                                             0x1 = Atmel ATA5577M1  0x2 = Atmel ATA5577M2
 274                 22-24   ICR IC revision
 275                 25-28   YEAR (BCD encoded)                                              9 (= 2009)
 276                 29-30   QUARTER                                                                 1,2,3,4
 277                 31-32   LOT ID
 278
 279         TRACE - BLOCK 1
 280                 1-12    LOT ID
 281                 13-17   Wafer number
 282                 18-32   DW,  die number sequential
 283         */
 284
 285   return 0;
 286 }
 287
 288 int CmdInfo(const char *Cmd){
 289         /*
 290                 Page 0 Block 0 Configuration data.
 291                 Normal mode
 292                 Extended mode
 293         */
 294         char cmdp = param_getchar(Cmd, 0);
 295
 296         if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {
 297                 usage_t55xx_info();
 298                 return 0;
 299         } else {
 300                 CmdReadBlk("0");
 301         }
 302
 303         uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};
 304
 305         manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN);
 306
 307         uint8_t si = 5;
 308         uint32_t bl0      = PackBits(si, 32, bits);
 309
 310         uint32_t safer    = PackBits(si, 4, bits); si += 4;
 311         uint32_t resv     = PackBits(si, 7, bits); si += 7;
 312         uint32_t dbr      = PackBits(si, 3, bits); si += 3;
 313         uint32_t extend   = PackBits(si, 1, bits); si += 1;
 314         uint32_t datamodulation   = PackBits(si, 5, bits); si += 5;
 315         uint32_t pskcf    = PackBits(si, 2, bits); si += 2;
 316         uint32_t aor      = PackBits(si, 1, bits); si += 1;
 317         uint32_t otp      = PackBits(si, 1, bits); si += 1;
 318         uint32_t maxblk   = PackBits(si, 3, bits); si += 3;
 319         uint32_t pwd      = PackBits(si, 1, bits); si += 1;
 320         uint32_t sst      = PackBits(si, 1, bits); si += 1;
 321         uint32_t fw       = PackBits(si, 1, bits); si += 1;
 322         uint32_t inv      = PackBits(si, 1, bits); si += 1;
 323         uint32_t por      = PackBits(si, 1, bits); si += 1;
 324
 325         PrintAndLog("");
 326         PrintAndLog("-- T55xx Configuration & Tag Information --------------------");
 327         PrintAndLog("-------------------------------------------------------------");
 328         PrintAndLog(" Safer key                 : %s", GetSaferStr(safer));
 329         PrintAndLog(" reserved                  : %d", resv);
 330         PrintAndLog(" Data bit rate             : %s", GetBitRateStr(dbr));
 331         PrintAndLog(" eXtended mode             : %s", (extend) ? "Yes - Warning":"No");
 332         PrintAndLog(" Modulation                : %s", GetModulationStr(datamodulation) );
 333         PrintAndLog(" PSK clock freq            : %d", pskcf);
 334         PrintAndLog(" AOR - Answer on Request   : %s", (aor) ? "Yes":"No");
 335         PrintAndLog(" OTP - One Time Pad        : %s", (otp) ? "Yes - Warning":"No" );
 336         PrintAndLog(" Max block                 : %d", maxblk);
 337         PrintAndLog(" Password mode             : %s", (pwd) ? "Yes":"No");
 338         PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");
 339         PrintAndLog(" Fast Write                : %s", (fw) ? "Yes":"No");
 340         PrintAndLog(" Inverse data              : %s", (inv) ? "Yes":"No");
 341         PrintAndLog(" POR-Delay                 : %s", (por) ? "Yes":"No");
 342         PrintAndLog("-------------------------------------------------------------");
 343         PrintAndLog(" Raw Data - Page 0");
 344         PrintAndLog("     Block 0  : 0x%08X  %s", bl0, sprint_bin(bits+5,32) );
 345         PrintAndLog("-------------------------------------------------------------");
 346
 347         return 0;
 348 }
 349
 350 int CmdDump(const char *Cmd){
 351
 352         char s[20] = {0x00};
 353         uint8_t pwd[4] = {0x00};
 354
 355         char cmdp = param_getchar(Cmd, 0);
 356         if ( cmdp == 'h' || cmdp == 'H') {
 357                 usage_t55xx_dump();
 358                 return 0;
 359         }
 360
 361         bool hasPwd = ( strlen(Cmd) > 0);
 362         if ( hasPwd ){
 363                 if (param_gethex(Cmd, 0, pwd, 8)) {
 364                         PrintAndLog("password must include 8 HEX symbols");
 365                         return 1;
 366                 }
 367         }
 368
 369         for ( int i = 0; i <8; ++i){
 370                 memset(s,0,sizeof(s));
 371                 if ( hasPwd ) {
 372                         sprintf(s,"%d %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]);
 373                 } else {
 374                         sprintf(s,"%d", i);
 375                 }
 376                 CmdReadBlk(s);
 377         }
 378         return 0;
 379 }
 380
 381 int CmdIceFsk(const char *Cmd){
 382
 383         if (!HasGraphData()) return 0;
 384
 385         iceFsk3(GraphBuffer, LF_TRACE_BUFF_SIZE);
 386         RepaintGraphWindow();
 387         return 0;
 388 }
 389 int CmdIceManchester(const char *Cmd){
 390         ManchesterDemod( -1);
 391         return 0;
 392 }
 393 int ManchesterDemod(int blockNum){
 394
 395         if (!HasGraphData()) return 0;
 396
 397         uint8_t sizebyte = 32;
 398         // the value 5 was selected during empirical studies of the decoded data. Some signal noise to skip.
 399         uint8_t offset = 5;
 400         uint32_t blockData;
 401         uint8_t  bits[LF_BITSSTREAM_LEN] = {0x00};
 402         uint8_t * bitstream = bits;
 403
 404         manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN);
 405         blockData = PackBits(offset, sizebyte, bits);
 406
 407         if ( blockNum < 0)
 408                 PrintAndLog(" Decoded     : 0x%08X  %s", blockData, sprint_bin(bitstream+offset,sizebyte) );
 409                 else
 410                 PrintAndLog(" Block %d    : 0x%08X  %s", blockNum, blockData, sprint_bin(bitstream+offset,sizebyte) );
 411
 412         return 0;
 413 }
 414
 415 char * GetBitRateStr(uint32_t id){
 416         static char buf[40];
 417         char *retStr = buf;
 418                 switch (id){
 419                 case 0:
 420                         sprintf(retStr,"%d - RF/8",id);
 421                         break;
 422                 case 1:
 423                         sprintf(retStr,"%d - RF/16",id);
 424                         break;
 425                 case 2:
 426                         sprintf(retStr,"%d - RF/32",id);
 427                         break;
 428                 case 3:
 429                         sprintf(retStr,"%d - RF/40",id);
 430                         break;
 431                 case 4:
 432                         sprintf(retStr,"%d - RF/50",id);
 433                         break;
 434                 case 5:
 435                         sprintf(retStr,"%d - RF/64",id);
 436                         break;
 437                 case 6:
 438                         sprintf(retStr,"%d - RF/100",id);
 439                         break;
 440                 case 7:
 441                         sprintf(retStr,"%d - RF/128",id);
 442                         break;
 443                 default:
 444                         sprintf(retStr,"%d - (Unknown)",id);
 445                         break;
 446                 }
 447
 448         return buf;
 449 }
 450
 451 char * GetSaferStr(uint32_t id){
 452         static char buf[40];
 453         char *retStr = buf;
 454
 455         sprintf(retStr,"%d",id);
 456         if (id == 6) {
 457                 sprintf(retStr,"%d - pasdwd",id);
 458         }
 459         if (id == 9 ){
 460                 sprintf(retStr,"%d - testmode ",id);
 461         }
 462
 463         return buf;
 464 }
 465 char * GetModulationStr( uint32_t id){
 466         static char buf[40];
 467         char *retStr = buf;
 468
 469         switch (id){
 470                 case 0:
 471                         sprintf(retStr,"%d - DIRECT (ASK/NRZ)",id);
 472                         break;
 473                 case 1:
 474                         sprintf(retStr,"%d - PSK 1 phase change when input changes",id);
 475                         break;
 476                 case 2:
 477                         sprintf(retStr,"%d - PSK 2 phase change on bitclk if input high",id);
 478                         break;
 479                 case 3:
 480                         sprintf(retStr,"%d - PSK 3 phase change on rising edge of input",id);
 481                         break;
 482                 case 4:
 483                         sprintf(retStr,"%d - FSK 1 RF/8  RF/5",id);
 484                         break;
 485                 case 5:
 486                         sprintf(retStr,"%d - FSK 2 RF/8  RF/10",id);
 487                         break;
 488                 case 6:
 489                         sprintf(retStr,"%d - FSK 1a RF/5  RF/8",id);
 490                         break;
 491                 case 7:
 492                         sprintf(retStr,"%d - FSK 2a RF/10  RF/8",id);
 493                         break;
 494                 case 8:
 495                         sprintf(retStr,"%d - Manschester",id);
 496                         break;
 497                 case 16:
 498                         sprintf(retStr,"%d - Biphase",id);
 499                         break;
 500                 case 17:
 501                         sprintf(retStr,"%d - Reserved",id);
 502                         break;
 503                 default:
 504                         sprintf(retStr,"0x%02X (Unknown)",id);
 505                         break;
 506                 }
 507         return buf;
 508 }
 509
 510
 511 uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){
 512
 513         int i = start;
 514         int j = len-1;
 515         if (len > 32) {
 516                 return 0;
 517         }
 518         uint32_t tmp = 0;
 519         for (; j >= 0; --j, ++i){
 520                 tmp     |= bits[i] << j;
 521         }
 522         return tmp;
 523 }
 524
 525 static command_t CommandTable[] =
 526 {
 527   {"help",   CmdHelp,        1, "This help"},
 528   {"rd",     CmdReadBlk,     0, "<block> [password] -- Read T55xx block data (page 0) [optional password]"},
 529   {"wr",     CmdWriteBlk,    0, "<block> <data> [password] -- Write T55xx block data (page 0) [optional password]"},
 530   {"trace",  CmdReadTrace,   0, "[1] Read T55xx traceability data (page 1/ blk 0-1)"},
 531   {"info",   CmdInfo,        0, "[1] Read T55xx configuration data (page 0/ blk 0)"},
 532   {"dump",   CmdDump,        0, "[password] Dump T55xx card block 0-7. [optional password]"},
 533   {"man",    CmdIceManchester,      0, "Manchester demod (with SST)"},
 534   {NULL, NULL, 0, NULL}
 535 };
 536
 537 int CmdLFT55XX(const char *Cmd)
 538 {
 539   CmdsParse(CommandTable, Cmd);
 540   return 0;
 541 }
 542
 543 int CmdHelp(const char *Cmd)
 544 {
 545   CmdsHelp(CommandTable);
 546   return 0;
 547 }