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

   1 //-----------------------------------------------------------------------------
   2 // 2011, Merlok
   3 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
   4 //
   5 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   6 // at your option, any later version. See the LICENSE.txt file for the text of
   7 // the license.
   8 //-----------------------------------------------------------------------------
   9 // High frequency ISO14443A commands
  10 //-----------------------------------------------------------------------------
  11
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15 #include <unistd.h>
  16 #include "util.h"
  17 #include "iso14443crc.h"
  18 #include "data.h"
  19 #include "proxmark3.h"
  20 #include "ui.h"
  21 #include "cmdparser.h"
  22 #include "cmdhf14a.h"
  23 #include "common.h"
  24 #include "cmdmain.h"
  25 #include "mifare.h"
  26 #include "cmdhfmf.h"
  27 #include "cmdhfmfu.h"
  28 #include "nonce2key/nonce2key.h"
  29 #include "cmdhf.h"
  30
  31 static int CmdHelp(const char *Cmd);
  32 static void waitCmd(uint8_t iLen);
  33
  34 // structure and database for uid -> tagtype lookups
  35 typedef struct {
  36         uint8_t uid;
  37         char* desc;
  38 } manufactureName;
  39
  40 const manufactureName manufactureMapping[] = {
  41         // ID,  "Vendor Country"
  42         { 0x01, "Motorola UK" },
  43         { 0x02, "ST Microelectronics SA France" },
  44         { 0x03, "Hitachi, Ltd Japan" },
  45         { 0x04, "NXP Semiconductors Germany" },
  46         { 0x05, "Infineon Technologies AG Germany" },
  47         { 0x06, "Cylink USA" },
  48         { 0x07, "Texas Instrument France" },
  49         { 0x08, "Fujitsu Limited Japan" },
  50         { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
  51         { 0x0A, "NEC Japan" },
  52         { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
  53         { 0x0C, "Toshiba Corp. Japan" },
  54         { 0x0D, "Mitsubishi Electric Corp. Japan" },
  55         { 0x0E, "Samsung Electronics Co. Ltd Korea" },
  56         { 0x0F, "Hynix / Hyundai, Korea" },
  57         { 0x10, "LG-Semiconductors Co. Ltd Korea" },
  58         { 0x11, "Emosyn-EM Microelectronics USA" },
  59         { 0x12, "INSIDE Technology France" },
  60         { 0x13, "ORGA Kartensysteme GmbH Germany" },
  61         { 0x14, "SHARP Corporation Japan" },
  62         { 0x15, "ATMEL France" },
  63         { 0x16, "EM Microelectronic-Marin SA Switzerland" },
  64         { 0x17, "KSW Microtec GmbH Germany" },
  65         { 0x18, "ZMD AG Germany" },
  66         { 0x19, "XICOR, Inc. USA" },
  67         { 0x1A, "Sony Corporation Japan Identifier Company Country" },
  68         { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
  69         { 0x1C, "Emosyn USA" },
  70         { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
  71         { 0x1E, "Magellan Technology Pty Limited Australia" },
  72         { 0x1F, "Melexis NV BO Switzerland" },
  73         { 0x20, "Renesas Technology Corp. Japan" },
  74         { 0x21, "TAGSYS France" },
  75         { 0x22, "Transcore USA" },
  76         { 0x23, "Shanghai belling corp., ltd. China" },
  77         { 0x24, "Masktech Germany Gmbh Germany" },
  78         { 0x25, "Innovision Research and Technology Plc UK" },
  79         { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
  80         { 0x27, "Cypak AB Sweden" },
  81         { 0x28, "Ricoh Japan" },
  82         { 0x29, "ASK France" },
  83         { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
  84         { 0x2B, "Dallas Semiconductor/Maxim USA" },
  85         { 0x2C, "Impinj, Inc. USA" },
  86         { 0x2D, "RightPlug Alliance USA" },
  87         { 0x2E, "Broadcom Corporation USA" },
  88         { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
  89         { 0x30, "BeeDar Technology Inc. USA" },
  90         { 0x31, "RFIDsec Denmark" },
  91         { 0x32, "Schweizer Electronic AG Germany" },
  92         { 0x33, "AMIC Technology Corp Taiwan" },
  93         { 0x34, "Mikron JSC Russia" },
  94         { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
  95         { 0x36, "IDS Microchip AG Switzerland" },
  96         { 0x37, "Kovio USA" },
  97         { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
  98         { 0x39, "Silicon Craft Technology Thailand" },
  99         { 0x3A, "Advanced Film Device Inc. Japan" },
 100         { 0x3B, "Nitecrest Ltd UK" },
 101         { 0x3C, "Verayo Inc. USA" },
 102         { 0x3D, "HID Global USA" },
 103         { 0x3E, "Productivity Engineering Gmbh Germany" },
 104         { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
 105         { 0x40, "Gemalto SA France" },
 106         { 0x41, "Renesas Electronics Corporation Japan" },
 107         { 0x42, "3Alogics Inc Korea" },
 108         { 0x43, "Top TroniQ Asia Limited Hong Kong" },
 109         { 0x44, "Gentag Inc (USA) USA" },
 110         { 0x00, "no tag-info available" } // must be the last entry
 111 };
 112
 113
 114 // get a product description based on the UID
 115 //              uid[8]  tag uid
 116 // returns description of the best match
 117 char* getTagInfo(uint8_t uid) {
 118
 119         int i;
 120         int len = sizeof(manufactureMapping) / sizeof(manufactureName);
 121
 122         for ( i = 0; i < len; ++i )
 123                 if ( uid == manufactureMapping[i].uid)
 124                         return manufactureMapping[i].desc;
 125
 126         //No match, return default
 127         return manufactureMapping[len-1].desc;
 128 }
 129
 130 int usage_hf_14a_sim(void) {
 131 //      PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4,7 or 10 byte UID\n");
 132         PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4,7 byte UID\n");
 133         PrintAndLog("Usage: hf 14a sim t <type> u <uid> x");
 134         PrintAndLog("  Options : ");
 135         PrintAndLog("    h     : this help");
 136         PrintAndLog("    t     : 1 = MIFARE Classic");
 137         PrintAndLog("            2 = MIFARE Ultralight");
 138         PrintAndLog("            3 = MIFARE Desfire");
 139         PrintAndLog("            4 = ISO/IEC 14443-4");
 140         PrintAndLog("            5 = MIFARE Tnp3xxx");
 141         PrintAndLog("            6 = MIFARE Mini");
 142         PrintAndLog("            7 = AMIIBO (NTAG 215),  pack 0x8080");
 143 //      PrintAndLog("    u     : 4, 7 or 10 byte UID");
 144         PrintAndLog("    u     : 4, 7 byte UID");
 145         PrintAndLog("    x     : (Optional) performs the 'reader attack', nr/ar attack against a legitimate reader");
 146         PrintAndLog("\n   sample : hf 14a sim t 1 u 11223344 x");
 147         PrintAndLog("          : hf 14a sim t 1 u 11223344");
 148         PrintAndLog("          : hf 14a sim t 1 u 11223344556677");
 149 //      PrintAndLog("          : hf 14a sim t 1 u 11223445566778899AA\n");
 150         return 0;
 151 }
 152 int usage_hf_14a_sniff(void){
 153         PrintAndLog("It get data from the field and saves it into command buffer.");
 154         PrintAndLog("Buffer accessible from command 'hf list 14a'");
 155         PrintAndLog("Usage:  hf 14a sniff [c][r]");
 156         PrintAndLog("c - triggered by first data from card");
 157         PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
 158         PrintAndLog("sample: hf 14a sniff c r");
 159         return 0;
 160 }
 161 int usage_hf_14a_raw(void){
 162         PrintAndLog("Usage: hf 14a raw [-h] [-r] [-c] [-p] [-a] [-T] [-t] <milliseconds> [-b] <number of bits>  <0A 0B 0C ... hex>");
 163         PrintAndLog("       -h    this help");
 164         PrintAndLog("       -r    do not read response");
 165         PrintAndLog("       -c    calculate and append CRC");
 166         PrintAndLog("       -p    leave the signal field ON after receive");
 167         PrintAndLog("       -a    active signal field ON without select");
 168         PrintAndLog("       -s    active signal field ON with select");
 169         PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
 170         PrintAndLog("       -t    timeout in ms");
 171         PrintAndLog("       -T    use Topaz protocol to send command");
 172         return 0;
 173 }
 174
 175 int CmdHF14AList(const char *Cmd) {
 176         //PrintAndLog("Deprecated command, use 'hf list 14a' instead");
 177         CmdHFList("14a");
 178         return 0;
 179 }
 180
 181 int CmdHF14AReader(const char *Cmd) {
 182         UsbCommand cDisconnect = {CMD_READER_ISO_14443a, {0,0,0}};
 183         UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
 184         clearCommandBuffer();
 185         SendCommand(&c);
 186         UsbCommand resp;
 187         WaitForResponse(CMD_ACK, &resp);
 188
 189         iso14a_card_select_t card;
 190         memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
 191
 192         uint64_t select_status = resp.arg[0];           // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
 193
 194         if(select_status == 0) {
 195                 if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
 196                 SendCommand(&cDisconnect);
 197                 return 0;
 198         }
 199
 200         if(select_status == 3) {
 201                 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
 202                 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
 203                 SendCommand(&cDisconnect);
 204                 return 0;
 205         }
 206
 207         PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen));
 208         PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
 209         PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]);
 210
 211         switch (card.sak) {
 212                 case 0x00:
 213
 214                         // ******** is card of the MFU type (UL/ULC/NTAG/ etc etc)
 215                         ul_switch_off_field();
 216
 217                         uint32_t tagT = GetHF14AMfU_Type();
 218                         ul_print_type(tagT, 0);
 219
 220                         // reconnect for further tests
 221                         c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
 222                         c.arg[1] = 0;
 223                         c.arg[2] = 0;
 224
 225                         clearCommandBuffer();
 226                         SendCommand(&c);
 227
 228                         UsbCommand resp;
 229                         WaitForResponse(CMD_ACK, &resp);
 230
 231                         memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
 232
 233                         select_status = resp.arg[0];            // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
 234
 235                         if(select_status == 0) {
 236                                 ul_switch_off_field();
 237                                 return 0;
 238                         }
 239                         break;
 240                 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
 241                 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
 242                 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
 243                 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
 244                 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
 245                 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
 246                 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
 247                 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
 248                 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
 249                 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
 250                 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
 251                 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
 252                 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
 253                 default: ;
 254         }
 255
 256         // Double & triple sized UID, can be mapped to a manufacturer.
 257         if ( card.uidlen > 4 ) {
 258                 PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
 259         }
 260
 261         // try to request ATS even if tag claims not to support it
 262         if (select_status == 2) {
 263                 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
 264                 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
 265                 c.arg[1] = 2;
 266                 c.arg[2] = 0;
 267                 memcpy(c.d.asBytes, rats, 2);
 268                 clearCommandBuffer();
 269                 SendCommand(&c);
 270                 WaitForResponse(CMD_ACK,&resp);
 271
 272             memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
 273                 card.ats_len = resp.arg[0];                             // note: ats_len includes CRC Bytes
 274         }
 275
 276         if(card.ats_len >= 3) {                 // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
 277                 bool ta1 = 0, tb1 = 0, tc1 = 0;
 278                 int pos;
 279
 280                 if (select_status == 2) {
 281                         PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
 282                 }
 283                 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
 284                 PrintAndLog("       -  TL : length is %d bytes", card.ats[0]);
 285                 if (card.ats[0] != card.ats_len - 2) {
 286                         PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
 287                 }
 288
 289                 if (card.ats[0] > 1) {          // there is a format byte (T0)
 290                         ta1 = (card.ats[1] & 0x10) == 0x10;
 291                         tb1 = (card.ats[1] & 0x20) == 0x20;
 292                         tc1 = (card.ats[1] & 0x40) == 0x40;
 293                         int16_t fsci = card.ats[1] & 0x0f;
 294                         PrintAndLog("       -  T0 : TA1 is%s present, TB1 is%s present, "
 295                                         "TC1 is%s present, FSCI is %d (FSC = %ld)",
 296                                 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
 297                                 fsci,
 298                                 fsci < 5 ? (fsci - 2) * 8 :
 299                                         fsci < 8 ? (fsci - 3) * 32 :
 300                                         fsci == 8 ? 256 :
 301                                         -1
 302                                 );
 303                 }
 304                 pos = 2;
 305                 if (ta1) {
 306                         char dr[16], ds[16];
 307                         dr[0] = ds[0] = '\0';
 308                         if (card.ats[pos] & 0x10) strcat(ds, "2, ");
 309                         if (card.ats[pos] & 0x20) strcat(ds, "4, ");
 310                         if (card.ats[pos] & 0x40) strcat(ds, "8, ");
 311                         if (card.ats[pos] & 0x01) strcat(dr, "2, ");
 312                         if (card.ats[pos] & 0x02) strcat(dr, "4, ");
 313                         if (card.ats[pos] & 0x04) strcat(dr, "8, ");
 314                         if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
 315                         if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
 316                         PrintAndLog("       - TA1 : different divisors are%s supported, "
 317                                         "DR: [%s], DS: [%s]",
 318                                         (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
 319                         pos++;
 320                 }
 321                 if (tb1) {
 322                         uint32_t sfgi = card.ats[pos] & 0x0F;
 323                         uint32_t fwi = card.ats[pos] >> 4;
 324                         PrintAndLog("       - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
 325                                         (sfgi),
 326                                         sfgi ? "" : "(not needed) ",
 327                                         sfgi ? (1 << 12) << sfgi : 0,
 328                                         fwi,
 329                                         (1 << 12) << fwi
 330                                         );
 331                         pos++;
 332                 }
 333                 if (tc1) {
 334                         PrintAndLog("       - TC1 : NAD is%s supported, CID is%s supported",
 335                                         (card.ats[pos] & 0x01) ? "" : " NOT",
 336                                         (card.ats[pos] & 0x02) ? "" : " NOT");
 337                         pos++;
 338                 }
 339                 if (card.ats[0] > pos) {
 340                         char *tip = "";
 341                         if (card.ats[0] - pos >= 7) {
 342                                 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
 343                                         tip = "-> MIFARE Plus X 2K or 4K";
 344                                 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
 345                                         tip = "-> MIFARE Plus S 2K or 4K";
 346                                 }
 347                         }
 348                         PrintAndLog("       -  HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
 349                         if (card.ats[pos] == 0xC1) {
 350                                 PrintAndLog("               c1 -> Mifare or (multiple) virtual cards of various type");
 351                                 PrintAndLog("                  %02x -> Length is %d bytes",
 352                                                 card.ats[pos + 1], card.ats[pos + 1]);
 353                                 switch (card.ats[pos + 2] & 0xf0) {
 354                                         case 0x10: PrintAndLog("                     1x -> MIFARE DESFire"); break;
 355                                         case 0x20: PrintAndLog("                     2x -> MIFARE Plus"); break;
 356                                 }
 357                                 switch (card.ats[pos + 2] & 0x0f) {
 358                                         case 0x00: PrintAndLog("                     x0 -> <1 kByte"); break;
 359                                         case 0x01: PrintAndLog("                     x1 -> 1 kByte"); break;
 360                                         case 0x02: PrintAndLog("                     x2 -> 2 kByte"); break;
 361                                         case 0x03: PrintAndLog("                     x3 -> 4 kByte"); break;
 362                                         case 0x04: PrintAndLog("                     x4 -> 8 kByte"); break;
 363                                 }
 364                                 switch (card.ats[pos + 3] & 0xf0) {
 365                                         case 0x00: PrintAndLog("                        0x -> Engineering sample"); break;
 366                                         case 0x20: PrintAndLog("                        2x -> Released"); break;
 367                                 }
 368                                 switch (card.ats[pos + 3] & 0x0f) {
 369                                         case 0x00: PrintAndLog("                        x0 -> Generation 1"); break;
 370                                         case 0x01: PrintAndLog("                        x1 -> Generation 2"); break;
 371                                         case 0x02: PrintAndLog("                        x2 -> Generation 3"); break;
 372                                 }
 373                                 switch (card.ats[pos + 4] & 0x0f) {
 374                                         case 0x00: PrintAndLog("                           x0 -> Only VCSL supported"); break;
 375                                         case 0x01: PrintAndLog("                           x1 -> VCS, VCSL, and SVC supported"); break;
 376                                         case 0x0E: PrintAndLog("                           xE -> no VCS command supported"); break;
 377                                 }
 378                         }
 379                 }
 380         } else {
 381                 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
 382         }
 383
 384
 385         // try to see if card responses to "chinese magic backdoor" commands.
 386         uint8_t isOK = 0;
 387         clearCommandBuffer();
 388         c.cmd = CMD_MIFARE_CIDENT;
 389         c.arg[0] = 0;
 390         c.arg[1] = 0;
 391         c.arg[2] = 0;
 392         SendCommand(&c);
 393         if (WaitForResponseTimeout(CMD_ACK, &resp, 1500))
 394                 isOK  = resp.arg[0] & 0xff;
 395
 396         PrintAndLog("Answers to magic commands (GEN1): %s", (isOK ? "YES" : "NO") );
 397
 398         // disconnect
 399         SendCommand(&cDisconnect);
 400
 401         return select_status;
 402 }
 403
 404 // Collect ISO14443 Type A UIDs
 405 int CmdHF14ACUIDs(const char *Cmd) {
 406         // requested number of UIDs
 407         int n = atoi(Cmd);
 408         // collect at least 1 (e.g. if no parameter was given)
 409         n = n > 0 ? n : 1;
 410
 411         PrintAndLog("Collecting %d UIDs", n);
 412         PrintAndLog("Start: %u", time(NULL));
 413         // repeat n times
 414         for (int i = 0; i < n; i++) {
 415                 // execute anticollision procedure
 416                 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
 417                 SendCommand(&c);
 418
 419                 UsbCommand resp;
 420                 WaitForResponse(CMD_ACK,&resp);
 421
 422                 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
 423
 424                 // check if command failed
 425                 if (resp.arg[0] == 0) {
 426                         PrintAndLog("Card select failed.");
 427                 } else {
 428                         char uid_string[20];
 429                         for (uint16_t i = 0; i < card->uidlen; i++) {
 430                                 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
 431                         }
 432                         PrintAndLog("%s", uid_string);
 433                 }
 434         }
 435         PrintAndLog("End: %u", time(NULL));
 436         return 1;
 437 }
 438
 439 // ## simulate iso14443a tag
 440 // ## greg - added ability to specify tag UID
 441 int CmdHF14ASim(const char *Cmd) {
 442         #define ATTACK_KEY_COUNT 8
 443         bool errors = FALSE;
 444         uint8_t flags = 0;
 445         uint8_t tagtype = 1;
 446         uint8_t cmdp = 0;
 447         uint8_t uid[10] = {0,0,0,0,0,0,0,0,0,0};
 448         int uidlen = 0;
 449         bool useUIDfromEML = TRUE;
 450
 451         while(param_getchar(Cmd, cmdp) != 0x00) {
 452                 switch(param_getchar(Cmd, cmdp)) {
 453                         case 'h':
 454                         case 'H':
 455                                 return usage_hf_14a_sim();
 456                         case 't':
 457                         case 'T':
 458                                 // Retrieve the tag type
 459                                 tagtype = param_get8ex(Cmd, cmdp+1, 0, 10);
 460                                 if (tagtype == 0)
 461                                         errors = true;
 462                                 cmdp += 2;
 463                                 break;
 464                         case 'u':
 465                         case 'U':
 466                                 // Retrieve the full 4,7,10 byte long uid
 467                                 param_gethex_ex(Cmd, cmdp+1, uid, &uidlen);
 468                                 switch(uidlen) {
 469                                         //case 20: flags |= FLAG_10B_UID_IN_DATA; break;
 470                                         case 14: flags |= FLAG_7B_UID_IN_DATA; break;
 471                                         case  8: flags |= FLAG_4B_UID_IN_DATA; break;
 472                                         default: errors = TRUE; break;
 473                                 }
 474                                 if (!errors) {
 475                                         PrintAndLog("Emulating ISO/IEC 14443 type A tag with %d byte UID (%s)", uidlen>>1, sprint_hex(uid, uidlen>>1));
 476                                         useUIDfromEML = FALSE;
 477                                 }
 478                                 cmdp += 2;
 479                                 break;
 480                         case 'x':
 481                         case 'X':
 482                                 flags |= FLAG_NR_AR_ATTACK;
 483                                 cmdp++;
 484                                 break;
 485                         default:
 486                                 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 487                                 errors = true;
 488                                 break;
 489                         }
 490                 if(errors) break;
 491         }
 492
 493         //Validations
 494         if (errors) return usage_hf_14a_sim();
 495
 496         if ( useUIDfromEML )
 497                 flags |= FLAG_UID_IN_EMUL;
 498
 499         PrintAndLog("Press pm3-button to abort simulation");
 500
 501         UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{ tagtype, flags, 0 }};
 502         memcpy(c.d.asBytes, uid, uidlen>>1);
 503         clearCommandBuffer();
 504         SendCommand(&c);
 505
 506         nonces_t data[ATTACK_KEY_COUNT*2];
 507         UsbCommand resp;
 508
 509         while( !ukbhit() ){
 510                 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) continue;
 511
 512                 if ( !(flags & FLAG_NR_AR_ATTACK) ) break;
 513                 if ( (resp.arg[0] & 0xffff) != CMD_SIMULATE_MIFARE_CARD ) break;
 514
 515                 memcpy( data, resp.d.asBytes, sizeof(data) );
 516                 readerAttack(data, TRUE);
 517         }
 518         return 0;
 519 }
 520
 521 int CmdHF14ASniff(const char *Cmd) {
 522         int param = 0;
 523         uint8_t ctmp = param_getchar(Cmd, 0) ;
 524         if (ctmp == 'h' || ctmp == 'H') return usage_hf_14a_sniff();
 525
 526         for (int i = 0; i < 2; i++) {
 527                 ctmp = param_getchar(Cmd, i);
 528                 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
 529                 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
 530         }
 531
 532   UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
 533   clearCommandBuffer();
 534   SendCommand(&c);
 535   return 0;
 536 }
 537
 538 int CmdHF14ACmdRaw(const char *cmd) {
 539     UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
 540     bool reply=1;
 541     bool crc = FALSE;
 542     bool power = FALSE;
 543     bool active = FALSE;
 544     bool active_select = FALSE;
 545     uint16_t numbits=0;
 546         bool bTimeout = FALSE;
 547         uint32_t timeout=0;
 548         bool topazmode = FALSE;
 549     char buf[5]="";
 550     int i=0;
 551     uint8_t data[USB_CMD_DATA_SIZE];
 552         uint16_t datalen=0;
 553         uint32_t temp;
 554
 555     if (strlen(cmd)<2) return usage_hf_14a_raw();
 556
 557     // strip
 558     while (*cmd==' ' || *cmd=='\t') cmd++;
 559
 560     while (cmd[i]!='\0') {
 561         if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
 562         if (cmd[i]=='-') {
 563             switch (cmd[i+1]) {
 564                                 case 'H':
 565                                 case 'h':
 566                                         return usage_hf_14a_raw();
 567                 case 'r':
 568                     reply = FALSE;
 569                     break;
 570                 case 'c':
 571                     crc = TRUE;
 572                     break;
 573                 case 'p':
 574                     power = TRUE;
 575                     break;
 576                 case 'a':
 577                     active = TRUE;
 578                     break;
 579                 case 's':
 580                     active_select = TRUE;
 581                     break;
 582                 case 'b':
 583                     sscanf(cmd+i+2,"%d",&temp);
 584                     numbits = temp & 0xFFFF;
 585                     i+=3;
 586                     while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
 587                     i-=2;
 588                     break;
 589                                 case 't':
 590                                         bTimeout = TRUE;
 591                                         sscanf(cmd+i+2,"%d",&temp);
 592                                         timeout = temp;
 593                                         i+=3;
 594                                         while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
 595                                         i-=2;
 596                                         break;
 597                 case 'T':
 598                                         topazmode = TRUE;
 599                                         break;
 600                 default:
 601                     return usage_hf_14a_raw();
 602             }
 603             i+=2;
 604             continue;
 605         }
 606         if ((cmd[i]>='0' && cmd[i]<='9') ||
 607             (cmd[i]>='a' && cmd[i]<='f') ||
 608             (cmd[i]>='A' && cmd[i]<='F') ) {
 609             buf[strlen(buf)+1]=0;
 610             buf[strlen(buf)]=cmd[i];
 611             i++;
 612
 613             if (strlen(buf)>=2) {
 614                 sscanf(buf,"%x",&temp);
 615                 data[datalen]=(uint8_t)(temp & 0xff);
 616                 *buf=0;
 617                                 if (++datalen >= sizeof(data)){
 618                                         if (crc)
 619                                                 PrintAndLog("Buffer is full, we can't add CRC to your data");
 620                                         break;
 621                                 }
 622             }
 623             continue;
 624         }
 625         PrintAndLog("Invalid char on input");
 626         return 0;
 627     }
 628
 629     if(crc && datalen>0 && datalen<sizeof(data)-2)
 630     {
 631         uint8_t first, second;
 632                 if (topazmode) {
 633                         ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
 634                 } else {
 635                         ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
 636                 }
 637         data[datalen++] = first;
 638         data[datalen++] = second;
 639     }
 640
 641     if(active || active_select)
 642     {
 643         c.arg[0] |= ISO14A_CONNECT;
 644         if(active)
 645             c.arg[0] |= ISO14A_NO_SELECT;
 646     }
 647
 648         if(bTimeout){
 649             #define MAX_TIMEOUT 40542464        // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
 650         c.arg[0] |= ISO14A_SET_TIMEOUT;
 651         if(timeout > MAX_TIMEOUT) {
 652             timeout = MAX_TIMEOUT;
 653             PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
 654         }
 655                 c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
 656         }
 657
 658     if(power) {
 659         c.arg[0] |= ISO14A_NO_DISCONNECT;
 660         }
 661
 662     if(datalen>0) {
 663         c.arg[0] |= ISO14A_RAW;
 664         }
 665
 666         if(topazmode) {
 667                 c.arg[0] |= ISO14A_TOPAZMODE;
 668         }
 669
 670         // Max buffer is USB_CMD_DATA_SIZE
 671         datalen = (datalen > USB_CMD_DATA_SIZE) ? USB_CMD_DATA_SIZE : datalen;
 672
 673     c.arg[1] = (datalen & 0xFFFF) | (uint32_t)(numbits << 16);
 674     memcpy(c.d.asBytes, data, datalen);
 675
 676         clearCommandBuffer();
 677     SendCommand(&c);
 678
 679     if (reply) {
 680         if(active_select)
 681             waitCmd(1);
 682         if(datalen>0)
 683             waitCmd(0);
 684     } // if reply
 685     return 0;
 686 }
 687
 688 static void waitCmd(uint8_t iSelect) {
 689     UsbCommand resp;
 690     uint16_t len = 0;
 691
 692     if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 693         len = iSelect ? (resp.arg[1] & 0xffff) : (resp.arg[0]  & 0xffff);
 694         PrintAndLog("received %i octets", len);
 695         if(!len)
 696             return;
 697                 PrintAndLog("%s", sprint_hex(resp.d.asBytes, len) );
 698     } else {
 699         PrintAndLog("timeout while waiting for reply.");
 700     }
 701 }
 702
 703 static command_t CommandTable[] = {
 704   {"help",   CmdHelp,              1, "This help"},
 705   {"list",   CmdHF14AList,         0, "[Deprecated] List ISO 14443a history"},
 706   {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
 707   {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
 708   {"sim",    CmdHF14ASim,          0, "<UID> -- Simulate ISO 14443a tag"},
 709   {"sniff",  CmdHF14ASniff,        0, "sniff ISO 14443 Type A traffic"},
 710   {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
 711   {NULL, NULL, 0, NULL}
 712 };
 713
 714 int CmdHF14A(const char *Cmd) {
 715         clearCommandBuffer();
 716         CmdsParse(CommandTable, Cmd);
 717         return 0;
 718 }
 719
 720 int CmdHelp(const char *Cmd) {
 721   CmdsHelp(CommandTable);
 722   return 0;
 723 }