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