git.zerfleddert.de Git - proxmark3-svn/blob - client/cmdhf14a.c

   1 //-----------------------------------------------------------------------------
   2 // 2011, Merlok
   3 // 2014, Peter Fillmore
   4 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
   5 //
   6 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   7 // at your option, any later version. See the LICENSE.txt file for the text of
   8 // the license.
   9 //-----------------------------------------------------------------------------
  10 // High frequency ISO14443A commands
  11 //-----------------------------------------------------------------------------
  12
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <string.h>
  16 #include <unistd.h>
  17 #include "util.h"
  18 #include "iso14443crc.h"
  19 #include "data.h"
  20 #include "proxmark3.h"
  21 #include "ui.h"
  22 #include "cmdparser.h"
  23 #include "cmdhf14a.h"
  24 #include "common.h"
  25 #include "cmdmain.h"
  26 #include "mifare.h"
  27 #include "cmdhfmf.h"
  28 #include "cmdhfmfu.h"
  29 #include "nonce2key/nonce2key.h"
  30 #include "cmdhf.h"
  31
  32 static int CmdHelp(const char *Cmd);
  33 static void waitCmd(uint8_t iLen);
  34
  35 // structure and database for uid -> tagtype lookups
  36 typedef struct {
  37         uint8_t uid;
  38         char* desc;
  39 } manufactureName;
  40
  41 const manufactureName manufactureMapping[] = {
  42         // ID,  "Vendor Country"
  43         { 0x01, "Motorola UK" },
  44         { 0x02, "ST Microelectronics SA France" },
  45         { 0x03, "Hitachi, Ltd Japan" },
  46         { 0x04, "NXP Semiconductors Germany" },
  47         { 0x05, "Infineon Technologies AG Germany" },
  48         { 0x06, "Cylink USA" },
  49         { 0x07, "Texas Instrument France" },
  50         { 0x08, "Fujitsu Limited Japan" },
  51         { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
  52         { 0x0A, "NEC Japan" },
  53         { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
  54         { 0x0C, "Toshiba Corp. Japan" },
  55         { 0x0D, "Mitsubishi Electric Corp. Japan" },
  56         { 0x0E, "Samsung Electronics Co. Ltd Korea" },
  57         { 0x0F, "Hynix / Hyundai, Korea" },
  58         { 0x10, "LG-Semiconductors Co. Ltd Korea" },
  59         { 0x11, "Emosyn-EM Microelectronics USA" },
  60         { 0x12, "INSIDE Technology France" },
  61         { 0x13, "ORGA Kartensysteme GmbH Germany" },
  62         { 0x14, "SHARP Corporation Japan" },
  63         { 0x15, "ATMEL France" },
  64         { 0x16, "EM Microelectronic-Marin SA Switzerland" },
  65         { 0x17, "KSW Microtec GmbH Germany" },
  66         { 0x18, "ZMD AG Germany" },
  67         { 0x19, "XICOR, Inc. USA" },
  68         { 0x1A, "Sony Corporation Japan" },
  69         { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
  70         { 0x1C, "Emosyn USA" },
  71         { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
  72         { 0x1E, "Magellan Technology Pty Limited Australia" },
  73         { 0x1F, "Melexis NV BO Switzerland" },
  74         { 0x20, "Renesas Technology Corp. Japan" },
  75         { 0x21, "TAGSYS France" },
  76         { 0x22, "Transcore USA" },
  77         { 0x23, "Shanghai belling corp., ltd. China" },
  78         { 0x24, "Masktech Germany Gmbh Germany" },
  79         { 0x25, "Innovision Research and Technology Plc UK" },
  80         { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
  81         { 0x27, "Cypak AB Sweden" },
  82         { 0x28, "Ricoh Japan" },
  83         { 0x29, "ASK France" },
  84         { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
  85         { 0x2B, "Dallas Semiconductor/Maxim USA" },
  86         { 0x2C, "Impinj, Inc. USA" },
  87         { 0x2D, "RightPlug Alliance USA" },
  88         { 0x2E, "Broadcom Corporation USA" },
  89         { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
  90         { 0x30, "BeeDar Technology Inc. USA" },
  91         { 0x31, "RFIDsec Denmark" },
  92         { 0x32, "Schweizer Electronic AG Germany" },
  93         { 0x33, "AMIC Technology Corp Taiwan" },
  94         { 0x34, "Mikron JSC Russia" },
  95         { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
  96         { 0x36, "IDS Microchip AG Switzerland" },
  97         { 0x37, "Kovio USA" },
  98         { 0x38, "HMT Microelectronic Ltd Switzerland" },
  99         { 0x39, "Silicon Craft Technology Thailand" },
 100         { 0x3A, "Advanced Film Device Inc. Japan" },
 101         { 0x3B, "Nitecrest Ltd UK" },
 102         { 0x3C, "Verayo Inc. USA" },
 103         { 0x3D, "HID Global USA" },
 104         { 0x3E, "Productivity Engineering Gmbh Germany" },
 105         { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
 106         { 0x40, "Gemalto SA France" },
 107         { 0x41, "Renesas Electronics Corporation Japan" },
 108         { 0x42, "3Alogics Inc Korea" },
 109         { 0x43, "Top TroniQ Asia Limited Hong Kong" },
 110         { 0x44, "Gentag Inc. USA" },
 111         { 0x56, "Sensible Object. UK" },
 112         { 0x00, "no tag-info available" } // must be the last entry
 113 };
 114
 115
 116 // get a product description based on the UID
 117 //              uid[8]  tag uid
 118 // returns description of the best match
 119 char* getTagInfo(uint8_t uid) {
 120
 121         int i;
 122         int len = sizeof(manufactureMapping) / sizeof(manufactureName);
 123
 124         for ( i = 0; i < len; ++i )
 125                 if ( uid == manufactureMapping[i].uid)
 126                         return manufactureMapping[i].desc;
 127
 128         //No match, return default
 129         return manufactureMapping[len-1].desc;
 130 }
 131
 132 int usage_hf_14a_sim(void) {
 133 //      PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4,7 or 10 byte UID\n");
 134         PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4,7 byte UID\n");
 135         PrintAndLog("usage: hf 14a sim [h] t <type> u <uid> [x] [e] [v]");
 136         PrintAndLog("options: ");
 137         PrintAndLog("    h     : This help");
 138         PrintAndLog("    t     : 1 = MIFARE Classic 1k");
 139         PrintAndLog("            2 = MIFARE Ultralight");
 140         PrintAndLog("            3 = MIFARE Desfire");
 141         PrintAndLog("            4 = ISO/IEC 14443-4");
 142         PrintAndLog("            5 = MIFARE Tnp3xxx");
 143         PrintAndLog("            6 = MIFARE Mini");
 144         PrintAndLog("            7 = AMIIBO (NTAG 215),  pack 0x8080");
 145         PrintAndLog("            8 = MIFARE Classic 4k");
 146 //      PrintAndLog("    u     : 4, 7 or 10 byte UID");
 147         PrintAndLog("    u     : 4, 7 byte UID");
 148         PrintAndLog("    x     : (Optional) Performs the 'reader attack', nr/ar attack against a reader");
 149         PrintAndLog("    e     : (Optional) Fill simulator keys from found keys");
 150         PrintAndLog("    v     : (Optional) Verbose");
 151         PrintAndLog("samples:");
 152         PrintAndLog("          hf 14a sim t 1 u 11223344 x");
 153         PrintAndLog("          hf 14a sim t 1 u 11223344");
 154         PrintAndLog("          hf 14a sim t 1 u 11223344556677");
 155 //      PrintAndLog("          hf 14a sim t 1 u 11223445566778899AA\n");
 156         return 0;
 157 }
 158 int usage_hf_14a_sniff(void){
 159         PrintAndLog("It get data from the field and saves it into command buffer.");
 160         PrintAndLog("Buffer accessible from command 'hf list 14a'");
 161         PrintAndLog("Usage:  hf 14a sniff [c][r]");
 162         PrintAndLog("c - triggered by first data from card");
 163         PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
 164         PrintAndLog("sample: hf 14a sniff c r");
 165         return 0;
 166 }
 167 int usage_hf_14a_raw(void){
 168         PrintAndLog("Usage: hf 14a raw [-h] [-r] [-c] [-p] [-a] [-T] [-t] <milliseconds> [-b] <number of bits>  <0A 0B 0C ... hex>");
 169         PrintAndLog("       -h    this help");
 170         PrintAndLog("       -r    do not read response");
 171         PrintAndLog("       -c    calculate and append CRC");
 172         PrintAndLog("       -p    leave the signal field ON after receive");
 173         PrintAndLog("       -a    active signal field ON without select");
 174         PrintAndLog("       -s    active signal field ON with select");
 175         PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
 176         PrintAndLog("       -t    timeout in ms");
 177         PrintAndLog("       -T    use Topaz protocol to send command");
 178         return 0;
 179 }
 180
 181 int CmdHF14AList(const char *Cmd) {
 182         //PrintAndLog("Deprecated command, use 'hf list 14a' instead");
 183         CmdHFList("14a");
 184         return 0;
 185 }
 186
 187 int CmdHF14AReader(const char *Cmd) {
 188         UsbCommand cDisconnect = {CMD_READER_ISO_14443a, {0,0,0}};
 189         UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
 190         clearCommandBuffer();
 191         SendCommand(&c);
 192         UsbCommand resp;
 193         WaitForResponse(CMD_ACK, &resp);
 194
 195         iso14a_card_select_t card;
 196         memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
 197
 198         uint64_t select_status = resp.arg[0];           // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
 199
 200         if(select_status == 0) {
 201                 if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
 202                 SendCommand(&cDisconnect);
 203                 return 0;
 204         }
 205
 206         if(select_status == 3) {
 207                 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
 208                 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
 209                 SendCommand(&cDisconnect);
 210                 return 0;
 211         }
 212
 213         PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
 214         PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
 215         PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
 216
 217         switch (card.sak) {
 218                 case 0x00:
 219
 220                         // ******** is card of the MFU type (UL/ULC/NTAG/ etc etc)
 221                         ul_switch_off_field();
 222
 223                         uint32_t tagT = GetHF14AMfU_Type();
 224                         if (tagT != UL_ERROR)
 225                                 ul_print_type(tagT, 0);
 226                         else
 227                                 PrintAndLog("TYPE: Possible AZTEK (iso14443a compliant)");
 228
 229                         // reconnect for further tests
 230                         c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
 231                         c.arg[1] = 0;
 232                         c.arg[2] = 0;
 233                         clearCommandBuffer();
 234                         SendCommand(&c);
 235                         UsbCommand resp;
 236                         WaitForResponse(CMD_ACK, &resp);
 237
 238                         memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
 239
 240                         select_status = resp.arg[0];            // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
 241
 242                         if(select_status == 0) {
 243                                 ul_switch_off_field();
 244                                 return 0;
 245                         }
 246                         break;
 247                 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
 248                 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
 249                 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
 250                 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
 251                 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
 252                 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
 253                 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
 254                 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
 255                 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
 256                 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
 257                 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
 258                 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
 259                 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
 260                 default: ;
 261         }
 262
 263         // Double & triple sized UID, can be mapped to a manufacturer.
 264         if ( card.uidlen > 4 ) {
 265                 PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
 266         }
 267
 268         // try to request ATS even if tag claims not to support it
 269         if (select_status == 2) {
 270                 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
 271                 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
 272                 c.arg[1] = 2;
 273                 c.arg[2] = 0;
 274                 memcpy(c.d.asBytes, rats, 2);
 275                 clearCommandBuffer();
 276                 SendCommand(&c);
 277                 WaitForResponse(CMD_ACK,&resp);
 278
 279             memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
 280                 card.ats_len = resp.arg[0];                             // note: ats_len includes CRC Bytes
 281         }
 282
 283         if(card.ats_len >= 3) {                 // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
 284                 bool ta1 = 0, tb1 = 0, tc1 = 0;
 285                 int pos;
 286
 287                 if (select_status == 2) {
 288                         PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
 289                 }
 290                 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
 291                 PrintAndLog("       -  TL : length is %d bytes", card.ats[0]);
 292                 if (card.ats[0] != card.ats_len - 2) {
 293                         PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
 294                 }
 295
 296                 if (card.ats[0] > 1) {          // there is a format byte (T0)
 297                         ta1 = (card.ats[1] & 0x10) == 0x10;
 298                         tb1 = (card.ats[1] & 0x20) == 0x20;
 299                         tc1 = (card.ats[1] & 0x40) == 0x40;
 300                         int16_t fsci = card.ats[1] & 0x0f;
 301                         PrintAndLog("       -  T0 : TA1 is%s present, TB1 is%s present, "
 302                                         "TC1 is%s present, FSCI is %d (FSC = %ld)",
 303                                 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
 304                                 fsci,
 305                                 fsci < 5 ? (fsci - 2) * 8 :
 306                                         fsci < 8 ? (fsci - 3) * 32 :
 307                                         fsci == 8 ? 256 :
 308                                         -1
 309                                 );
 310                 }
 311                 pos = 2;
 312                 if (ta1) {
 313                         char dr[16], ds[16];
 314                         dr[0] = ds[0] = '\0';
 315                         if (card.ats[pos] & 0x10) strcat(ds, "2, ");
 316                         if (card.ats[pos] & 0x20) strcat(ds, "4, ");
 317                         if (card.ats[pos] & 0x40) strcat(ds, "8, ");
 318                         if (card.ats[pos] & 0x01) strcat(dr, "2, ");
 319                         if (card.ats[pos] & 0x02) strcat(dr, "4, ");
 320                         if (card.ats[pos] & 0x04) strcat(dr, "8, ");
 321                         if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
 322                         if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
 323                         PrintAndLog("       - TA1 : different divisors are%s supported, "
 324                                         "DR: [%s], DS: [%s]",
 325                                         (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
 326                         pos++;
 327                 }
 328                 if (tb1) {
 329                         uint32_t sfgi = card.ats[pos] & 0x0F;
 330                         uint32_t fwi = card.ats[pos] >> 4;
 331                         PrintAndLog("       - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
 332                                         (sfgi),
 333                                         sfgi ? "" : "(not needed) ",
 334                                         sfgi ? (1 << 12) << sfgi : 0,
 335                                         fwi,
 336                                         (1 << 12) << fwi
 337                                         );
 338                         pos++;
 339                 }
 340                 if (tc1) {
 341                         PrintAndLog("       - TC1 : NAD is%s supported, CID is%s supported",
 342                                         (card.ats[pos] & 0x01) ? "" : " NOT",
 343                                         (card.ats[pos] & 0x02) ? "" : " NOT");
 344                         pos++;
 345                 }
 346                 if (card.ats[0] > pos) {
 347                         char *tip = "";
 348                         if (card.ats[0] - pos >= 7) {
 349                                 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
 350                                         tip = "-> MIFARE Plus X 2K or 4K";
 351                                 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
 352                                         tip = "-> MIFARE Plus S 2K or 4K";
 353                                 }
 354                         }
 355                         PrintAndLog("       -  HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
 356                         if (card.ats[pos] == 0xC1) {
 357                                 PrintAndLog("               c1 -> Mifare or (multiple) virtual cards of various type");
 358                                 PrintAndLog("                  %02x -> Length is %d bytes",
 359                                                 card.ats[pos + 1], card.ats[pos + 1]);
 360                                 switch (card.ats[pos + 2] & 0xf0) {
 361                                         case 0x10: PrintAndLog("                     1x -> MIFARE DESFire"); break;
 362                                         case 0x20: PrintAndLog("                     2x -> MIFARE Plus"); break;
 363                                 }
 364                                 switch (card.ats[pos + 2] & 0x0f) {
 365                                         case 0x00: PrintAndLog("                     x0 -> <1 kByte"); break;
 366                                         case 0x01: PrintAndLog("                     x1 -> 1 kByte"); break;
 367                                         case 0x02: PrintAndLog("                     x2 -> 2 kByte"); break;
 368                                         case 0x03: PrintAndLog("                     x3 -> 4 kByte"); break;
 369                                         case 0x04: PrintAndLog("                     x4 -> 8 kByte"); break;
 370                                 }
 371                                 switch (card.ats[pos + 3] & 0xf0) {
 372                                         case 0x00: PrintAndLog("                        0x -> Engineering sample"); break;
 373                                         case 0x20: PrintAndLog("                        2x -> Released"); break;
 374                                 }
 375                                 switch (card.ats[pos + 3] & 0x0f) {
 376                                         case 0x00: PrintAndLog("                        x0 -> Generation 1"); break;
 377                                         case 0x01: PrintAndLog("                        x1 -> Generation 2"); break;
 378                                         case 0x02: PrintAndLog("                        x2 -> Generation 3"); break;
 379                                 }
 380                                 switch (card.ats[pos + 4] & 0x0f) {
 381                                         case 0x00: PrintAndLog("                           x0 -> Only VCSL supported"); break;
 382                                         case 0x01: PrintAndLog("                           x1 -> VCS, VCSL, and SVC supported"); break;
 383                                         case 0x0E: PrintAndLog("                           xE -> no VCS command supported"); break;
 384                                 }
 385                         }
 386                 }
 387         } else {
 388                 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
 389         }
 390
 391
 392         // try to see if card responses to "chinese magic backdoor" commands.
 393         uint8_t isGeneration = 0;
 394         clearCommandBuffer();
 395         c.cmd = CMD_MIFARE_CIDENT;
 396         c.arg[0] = 0;
 397         c.arg[1] = 0;
 398         c.arg[2] = 0;
 399         SendCommand(&c);
 400         if (WaitForResponseTimeout(CMD_ACK, &resp, 1500))
 401                 isGeneration = resp.arg[0] & 0xff;
 402
 403         switch( isGeneration ){
 404                 case 1: PrintAndLog("Answers to magic commands (GEN 1a): YES"); break;
 405                 case 2: PrintAndLog("Answers to magic commands (GEN 1b): YES"); break;
 406                 //case 4: PrintAndLog("Answers to magic commands (GEN 2): YES"); break;
 407                 default: PrintAndLog("Answers to magic commands: NO"); break;
 408         }
 409
 410         // disconnect
 411         SendCommand(&cDisconnect);
 412         return select_status;
 413 }
 414
 415 // Collect ISO14443 Type A UIDs
 416 int CmdHF14ACUIDs(const char *Cmd) {
 417         // requested number of UIDs
 418         int n = atoi(Cmd);
 419         // collect at least 1 (e.g. if no parameter was given)
 420         n = n > 0 ? n : 1;
 421
 422         PrintAndLog("Collecting %d UIDs", n);
 423         PrintAndLog("Start: %u", time(NULL));
 424         // repeat n times
 425         for (int i = 0; i < n; i++) {
 426                 // execute anticollision procedure
 427                 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
 428                 SendCommand(&c);
 429
 430                 UsbCommand resp;
 431                 WaitForResponse(CMD_ACK,&resp);
 432
 433                 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
 434
 435                 // check if command failed
 436                 if (resp.arg[0] == 0) {
 437                         PrintAndLog("Card select failed.");
 438                 } else {
 439                         char uid_string[20];
 440                         for (uint16_t i = 0; i < card->uidlen; i++) {
 441                                 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
 442                         }
 443                         PrintAndLog("%s", uid_string);
 444                 }
 445         }
 446         PrintAndLog("End: %u", time(NULL));
 447         return 1;
 448 }
 449
 450 // ## simulate iso14443a tag
 451 // ## greg - added ability to specify tag UID
 452 int CmdHF14ASim(const char *Cmd) {
 453         bool errors = FALSE;
 454         uint8_t flags = 0;
 455         uint8_t tagtype = 1;
 456         uint8_t cmdp = 0;
 457         uint8_t uid[10] = {0,0,0,0,0,0,0,0,0,0};
 458         int uidlen = 0;
 459         bool useUIDfromEML = TRUE;
 460         bool setEmulatorMem = FALSE;
 461         bool verbose = FALSE;
 462         nonces_t data[1];
 463
 464         while(param_getchar(Cmd, cmdp) != 0x00) {
 465                 switch(param_getchar(Cmd, cmdp)) {
 466                         case 'h':
 467                         case 'H':
 468                                 return usage_hf_14a_sim();
 469                         case 't':
 470                         case 'T':
 471                                 // Retrieve the tag type
 472                                 tagtype = param_get8ex(Cmd, cmdp+1, 0, 10);
 473                                 if (tagtype == 0)
 474                                         errors = TRUE;
 475                                 cmdp += 2;
 476                                 break;
 477                         case 'u':
 478                         case 'U':
 479                                 // Retrieve the full 4,7,10 byte long uid
 480                                 param_gethex_ex(Cmd, cmdp+1, uid, &uidlen);
 481                                 switch(uidlen) {
 482                                         //case 20: flags |= FLAG_10B_UID_IN_DATA; break;
 483                                         case 14: flags |= FLAG_7B_UID_IN_DATA; break;
 484                                         case  8: flags |= FLAG_4B_UID_IN_DATA; break;
 485                                         default: errors = TRUE; break;
 486                                 }
 487                                 if (!errors) {
 488                                         PrintAndLog("Emulating ISO/IEC 14443 type A tag with %d byte UID (%s)", uidlen>>1, sprint_hex(uid, uidlen>>1));
 489                                         useUIDfromEML = FALSE;
 490                                 }
 491                                 cmdp += 2;
 492                                 break;
 493                         case 'v':
 494                         case 'V':
 495                                 verbose = TRUE;
 496                                 cmdp++;
 497                                 break;
 498                         case 'x':
 499                         case 'X':
 500                                 flags |= FLAG_NR_AR_ATTACK;
 501                                 cmdp++;
 502                                 break;
 503                         case 'e':
 504                         case 'E':
 505                                 setEmulatorMem = TRUE;
 506                                 cmdp++;
 507                                 break;
 508                         default:
 509                                 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 510                                 errors = TRUE;
 511                                 break;
 512                         }
 513                 if(errors) break;
 514         }
 515
 516         //Validations
 517         if (errors) return usage_hf_14a_sim();
 518
 519         if ( useUIDfromEML )
 520                 flags |= FLAG_UID_IN_EMUL;
 521
 522         UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{ tagtype, flags, 0 }};
 523         memcpy(c.d.asBytes, uid, uidlen>>1);
 524         clearCommandBuffer();
 525         SendCommand(&c);
 526         UsbCommand resp;
 527
 528         PrintAndLog("Press pm3-button to abort simulation");
 529
 530         while( !ukbhit() ){
 531                 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) continue;
 532                 if ( !(flags & FLAG_NR_AR_ATTACK) ) break;
 533                 if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break;
 534
 535                 memcpy(data, resp.d.asBytes, sizeof(data) );
 536                 readerAttack(data[0], setEmulatorMem, verbose);
 537         }
 538         showSectorTable();
 539         return 0;
 540 }
 541
 542 int CmdHF14ASniff(const char *Cmd) {
 543         int param = 0;
 544         uint8_t ctmp = param_getchar(Cmd, 0) ;
 545         if (ctmp == 'h' || ctmp == 'H') return usage_hf_14a_sniff();
 546
 547         for (int i = 0; i < 2; i++) {
 548                 ctmp = param_getchar(Cmd, i);
 549                 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
 550                 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
 551         }
 552
 553   UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
 554   clearCommandBuffer();
 555   SendCommand(&c);
 556   return 0;
 557 }
 558
 559 int CmdHF14ACmdRaw(const char *cmd) {
 560     UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
 561     bool reply=1;
 562     bool crc = FALSE;
 563     bool power = FALSE;
 564     bool active = FALSE;
 565     bool active_select = FALSE;
 566     uint16_t numbits=0;
 567         bool bTimeout = FALSE;
 568         uint32_t timeout=0;
 569         bool topazmode = FALSE;
 570     char buf[5]="";
 571     int i=0;
 572     uint8_t data[USB_CMD_DATA_SIZE];
 573         uint16_t datalen=0;
 574         uint32_t temp;
 575
 576     if (strlen(cmd)<2) return usage_hf_14a_raw();
 577
 578     // strip
 579     while (*cmd==' ' || *cmd=='\t') cmd++;
 580
 581     while (cmd[i]!='\0') {
 582         if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
 583         if (cmd[i]=='-') {
 584             switch (cmd[i+1]) {
 585                                 case 'H':
 586                                 case 'h':
 587                                         return usage_hf_14a_raw();
 588                 case 'r':
 589                     reply = FALSE;
 590                     break;
 591                 case 'c':
 592                     crc = TRUE;
 593                     break;
 594                 case 'p':
 595                     power = TRUE;
 596                     break;
 597                 case 'a':
 598                     active = TRUE;
 599                     break;
 600                 case 's':
 601                     active_select = TRUE;
 602                     break;
 603                 case 'b':
 604                     sscanf(cmd+i+2,"%d",&temp);
 605                     numbits = temp & 0xFFFF;
 606                     i+=3;
 607                     while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
 608                     i-=2;
 609                     break;
 610                                 case 't':
 611                                         bTimeout = TRUE;
 612                                         sscanf(cmd+i+2,"%d",&temp);
 613                                         timeout = temp;
 614                                         i+=3;
 615                                         while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
 616                                         i-=2;
 617                                         break;
 618                 case 'T':
 619                                         topazmode = TRUE;
 620                                         break;
 621                 default:
 622                     return usage_hf_14a_raw();
 623             }
 624             i+=2;
 625             continue;
 626         }
 627         if ((cmd[i]>='0' && cmd[i]<='9') ||
 628             (cmd[i]>='a' && cmd[i]<='f') ||
 629             (cmd[i]>='A' && cmd[i]<='F') ) {
 630             buf[strlen(buf)+1]=0;
 631             buf[strlen(buf)]=cmd[i];
 632             i++;
 633
 634             if (strlen(buf)>=2) {
 635                 sscanf(buf,"%x",&temp);
 636                 data[datalen]=(uint8_t)(temp & 0xff);
 637                 *buf=0;
 638                                 if (++datalen >= sizeof(data)){
 639                                         if (crc)
 640                                                 PrintAndLog("Buffer is full, we can't add CRC to your data");
 641                                         break;
 642                                 }
 643             }
 644             continue;
 645         }
 646         PrintAndLog("Invalid char on input");
 647         return 0;
 648     }
 649
 650     if(crc && datalen>0 && datalen<sizeof(data)-2)
 651     {
 652         uint8_t first, second;
 653                 if (topazmode) {
 654                         ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
 655                 } else {
 656                         ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
 657                 }
 658         data[datalen++] = first;
 659         data[datalen++] = second;
 660     }
 661
 662     if(active || active_select)
 663     {
 664         c.arg[0] |= ISO14A_CONNECT;
 665         if(active)
 666             c.arg[0] |= ISO14A_NO_SELECT;
 667     }
 668
 669         if(bTimeout){
 670             #define MAX_TIMEOUT 40542464        // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
 671         c.arg[0] |= ISO14A_SET_TIMEOUT;
 672         if(timeout > MAX_TIMEOUT) {
 673             timeout = MAX_TIMEOUT;
 674             PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
 675         }
 676                 c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
 677         }
 678
 679     if(power) {
 680         c.arg[0] |= ISO14A_NO_DISCONNECT;
 681         }
 682
 683     if(datalen>0) {
 684         c.arg[0] |= ISO14A_RAW;
 685         }
 686
 687         if(topazmode) {
 688                 c.arg[0] |= ISO14A_TOPAZMODE;
 689         }
 690
 691         // Max buffer is USB_CMD_DATA_SIZE
 692         datalen = (datalen > USB_CMD_DATA_SIZE) ? USB_CMD_DATA_SIZE : datalen;
 693
 694     c.arg[1] = (datalen & 0xFFFF) | (uint32_t)(numbits << 16);
 695     memcpy(c.d.asBytes, data, datalen);
 696
 697         clearCommandBuffer();
 698     SendCommand(&c);
 699
 700     if (reply) {
 701         if(active_select)
 702             waitCmd(1);
 703         if(datalen>0)
 704             waitCmd(0);
 705     } // if reply
 706     return 0;
 707 }
 708
 709 static void waitCmd(uint8_t iSelect)
 710 {
 711     UsbCommand resp;
 712     uint16_t len = 0;
 713
 714     if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 715         len = iSelect ? (resp.arg[1] & 0xffff) : (resp.arg[0]  & 0xffff);
 716         PrintAndLog("received %i octets", len);
 717         if(!len)
 718             return;
 719                 PrintAndLog("%s", sprint_hex(resp.d.asBytes, len) );
 720     } else {
 721         PrintAndLog("timeout while waiting for reply.");
 722     }
 723 }
 724
 725 static command_t CommandTable[] = {
 726   {"help",   CmdHelp,              1, "This help"},
 727   {"list",   CmdHF14AList,         0, "[Deprecated] List ISO 14443a history"},
 728   {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
 729   {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
 730   {"sim",    CmdHF14ASim,          0, "<UID> -- Simulate ISO 14443a tag"},
 731   {"sniff",  CmdHF14ASniff,        0, "sniff ISO 14443 Type A traffic"},
 732   {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
 733   {NULL, NULL, 0, NULL}
 734 };
 735
 736 int CmdHF14A(const char *Cmd) {
 737         clearCommandBuffer();
 738         CmdsParse(CommandTable, Cmd);
 739         return 0;
 740 }
 741
 742 int CmdHelp(const char *Cmd) {
 743   CmdsHelp(CommandTable);
 744   return 0;
 745 }