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 "cmdhfmfu.h"
  27 #include "nonce2key/nonce2key.h"
  28 #include "cmdhf.h"
  29
  30 static int CmdHelp(const char *Cmd);
  31 static void waitCmd(uint8_t iLen);
  32
  33 // structure and database for uid -> tagtype lookups
  34 typedef struct {
  35         uint8_t uid;
  36         char* desc;
  37 } manufactureName;
  38
  39 const manufactureName manufactureMapping[] = {
  40         // ID,  "Vendor Country"
  41         { 0x01, "Motorola UK" },
  42         { 0x02, "ST Microelectronics SA France" },
  43         { 0x03, "Hitachi, Ltd Japan" },
  44         { 0x04, "NXP Semiconductors Germany" },
  45         { 0x05, "Infineon Technologies AG Germany" },
  46         { 0x06, "Cylink USA" },
  47         { 0x07, "Texas Instrument France" },
  48         { 0x08, "Fujitsu Limited Japan" },
  49         { 0x09, "Matsushita Electronics Corporation, Semiconductor Company Japan" },
  50         { 0x0A, "NEC Japan" },
  51         { 0x0B, "Oki Electric Industry Co. Ltd Japan" },
  52         { 0x0C, "Toshiba Corp. Japan" },
  53         { 0x0D, "Mitsubishi Electric Corp. Japan" },
  54         { 0x0E, "Samsung Electronics Co. Ltd Korea" },
  55         { 0x0F, "Hynix / Hyundai, Korea" },
  56         { 0x10, "LG-Semiconductors Co. Ltd Korea" },
  57         { 0x11, "Emosyn-EM Microelectronics USA" },
  58         { 0x12, "INSIDE Technology France" },
  59         { 0x13, "ORGA Kartensysteme GmbH Germany" },
  60         { 0x14, "SHARP Corporation Japan" },
  61         { 0x15, "ATMEL France" },
  62         { 0x16, "EM Microelectronic-Marin SA Switzerland" },
  63         { 0x17, "KSW Microtec GmbH Germany" },
  64         { 0x18, "ZMD AG Germany" },
  65         { 0x19, "XICOR, Inc. USA" },
  66         { 0x1A, "Sony Corporation Japan Identifier Company Country" },
  67         { 0x1B, "Malaysia Microelectronic Solutions Sdn. Bhd Malaysia" },
  68         { 0x1C, "Emosyn USA" },
  69         { 0x1D, "Shanghai Fudan Microelectronics Co. Ltd. P.R. China" },
  70         { 0x1E, "Magellan Technology Pty Limited Australia" },
  71         { 0x1F, "Melexis NV BO Switzerland" },
  72         { 0x20, "Renesas Technology Corp. Japan" },
  73         { 0x21, "TAGSYS France" },
  74         { 0x22, "Transcore USA" },
  75         { 0x23, "Shanghai belling corp., ltd. China" },
  76         { 0x24, "Masktech Germany Gmbh Germany" },
  77         { 0x25, "Innovision Research and Technology Plc UK" },
  78         { 0x26, "Hitachi ULSI Systems Co., Ltd. Japan" },
  79         { 0x27, "Cypak AB Sweden" },
  80         { 0x28, "Ricoh Japan" },
  81         { 0x29, "ASK France" },
  82         { 0x2A, "Unicore Microsystems, LLC Russian Federation" },
  83         { 0x2B, "Dallas Semiconductor/Maxim USA" },
  84         { 0x2C, "Impinj, Inc. USA" },
  85         { 0x2D, "RightPlug Alliance USA" },
  86         { 0x2E, "Broadcom Corporation USA" },
  87         { 0x2F, "MStar Semiconductor, Inc Taiwan, ROC" },
  88         { 0x30, "BeeDar Technology Inc. USA" },
  89         { 0x31, "RFIDsec Denmark" },
  90         { 0x32, "Schweizer Electronic AG Germany" },
  91         { 0x33, "AMIC Technology Corp Taiwan" },
  92         { 0x34, "Mikron JSC Russia" },
  93         { 0x35, "Fraunhofer Institute for Photonic Microsystems Germany" },
  94         { 0x36, "IDS Microchip AG Switzerland" },
  95         { 0x37, "Kovio USA" },
  96         { 0x38, "HMT Microelectronic Ltd Switzerland Identifier Company Country" },
  97         { 0x39, "Silicon Craft Technology Thailand" },
  98         { 0x3A, "Advanced Film Device Inc. Japan" },
  99         { 0x3B, "Nitecrest Ltd UK" },
 100         { 0x3C, "Verayo Inc. USA" },
 101         { 0x3D, "HID Global USA" },
 102         { 0x3E, "Productivity Engineering Gmbh Germany" },
 103         { 0x3F, "Austriamicrosystems AG (reserved) Austria" },
 104         { 0x40, "Gemalto SA France" },
 105         { 0x41, "Renesas Electronics Corporation Japan" },
 106         { 0x42, "3Alogics Inc Korea" },
 107         { 0x43, "Top TroniQ Asia Limited Hong Kong" },
 108         { 0x44, "Gentag Inc (USA) USA" },
 109         { 0x00, "no tag-info available" } // must be the last entry
 110 };
 111
 112
 113 // get a product description based on the UID
 114 //              uid[8]  tag uid
 115 // returns description of the best match
 116 char* getTagInfo(uint8_t uid) {
 117
 118         int i;
 119         int len = sizeof(manufactureMapping) / sizeof(manufactureName);
 120
 121         for ( i = 0; i < len; ++i )
 122                 if ( uid == manufactureMapping[i].uid)
 123                         return manufactureMapping[i].desc;
 124
 125         //No match, return default
 126         return manufactureMapping[len-1].desc;
 127 }
 128
 129 int usage_hf_14a_sim(void) {
 130 //      PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4,7 or 10 byte UID\n");
 131         PrintAndLog("\n Emulating ISO/IEC 14443 type A tag with 4,7 byte UID\n");
 132         PrintAndLog("Usage: hf 14a sim t <type> u <uid> x");
 133         PrintAndLog("  Options : ");
 134         PrintAndLog("    h     : this help");
 135         PrintAndLog("    t     : 1 = MIFARE Classic");
 136         PrintAndLog("            2 = MIFARE Ultralight");
 137         PrintAndLog("            3 = MIFARE Desfire");
 138         PrintAndLog("            4 = ISO/IEC 14443-4");
 139         PrintAndLog("            5 = MIFARE Tnp3xxx");
 140         PrintAndLog("            6 = MIFARE Mini");
 141         PrintAndLog("            7 = AMIIBO (NTAG 215),  pack 0x8080");
 142 //      PrintAndLog("    u     : 4, 7 or 10 byte UID");
 143         PrintAndLog("    u     : 4, 7 byte UID");
 144         PrintAndLog("    x     : (Optional) performs the 'reader attack', nr/ar attack against a legitimate reader");
 145         PrintAndLog("\n   sample : hf 14a sim t 1 u 11223344 x");
 146         PrintAndLog("          : hf 14a sim t 1 u 11223344");
 147         PrintAndLog("          : hf 14a sim t 1 u 11223344556677");
 148 //      PrintAndLog("          : hf 14a sim t 1 u 11223445566778899AA\n");
 149         return 0;
 150 }
 151 int usage_hf_14a_sniff(void){
 152         PrintAndLog("It get data from the field and saves it into command buffer.");
 153         PrintAndLog("Buffer accessible from command 'hf list 14a'");
 154         PrintAndLog("Usage:  hf 14a sniff [c][r]");
 155         PrintAndLog("c - triggered by first data from card");
 156         PrintAndLog("r - triggered by first 7-bit request from reader (REQ,WUP,...)");
 157         PrintAndLog("sample: hf 14a sniff c r");
 158         return 0;
 159 }
 160 int usage_hf_14a_raw(void){
 161         PrintAndLog("Usage: hf 14a raw [-h] [-r] [-c] [-p] [-a] [-T] [-t] <milliseconds> [-b] <number of bits>  <0A 0B 0C ... hex>");
 162         PrintAndLog("       -h    this help");
 163         PrintAndLog("       -r    do not read response");
 164         PrintAndLog("       -c    calculate and append CRC");
 165         PrintAndLog("       -p    leave the signal field ON after receive");
 166         PrintAndLog("       -a    active signal field ON without select");
 167         PrintAndLog("       -s    active signal field ON with select");
 168         PrintAndLog("       -b    number of bits to send. Useful for send partial byte");
 169         PrintAndLog("       -t    timeout in ms");
 170         PrintAndLog("       -T    use Topaz protocol to send command");
 171         return 0;
 172 }
 173
 174 int CmdHF14AList(const char *Cmd) {
 175         //PrintAndLog("Deprecated command, use 'hf list 14a' instead");
 176         CmdHFList("14a");
 177         return 0;
 178 }
 179
 180 int CmdHF14AReader(const char *Cmd) {
 181         UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
 182         clearCommandBuffer();
 183         SendCommand(&c);
 184         UsbCommand resp;
 185         WaitForResponse(CMD_ACK,&resp);
 186
 187         iso14a_card_select_t card;
 188         memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
 189
 190         uint64_t select_status = resp.arg[0];           // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
 191
 192         if(select_status == 0) {
 193                 if (Cmd[0] != 's') PrintAndLog("iso14443a card select failed");
 194                 // disconnect
 195                 c.arg[0] = 0;
 196                 c.arg[1] = 0;
 197                 c.arg[2] = 0;
 198                 SendCommand(&c);
 199                 return 0;
 200         }
 201
 202         if(select_status == 3) {
 203                 PrintAndLog("Card doesn't support standard iso14443-3 anticollision");
 204                 PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]);
 205                 // disconnect
 206                 c.arg[0] = 0;
 207                 c.arg[1] = 0;
 208                 c.arg[2] = 0;
 209                 SendCommand(&c);
 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                         //***************************************test****************
 221                         ul_switch_off_field();
 222
 223                         uint32_t tagT = GetHF14AMfU_Type();
 224                         ul_print_type(tagT, 0);
 225
 226                         //reconnect for further tests
 227                         c.arg[0] = ISO14A_CONNECT | ISO14A_NO_DISCONNECT;
 228                         c.arg[1] = 0;
 229                         c.arg[2] = 0;
 230
 231                         clearCommandBuffer();
 232                         SendCommand(&c);
 233
 234                         UsbCommand resp;
 235                         WaitForResponse(CMD_ACK,&resp);
 236
 237                         memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
 238
 239                         select_status = resp.arg[0];            // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS
 240
 241                         if(select_status == 0) {
 242                                 ul_switch_off_field();
 243                                 return 0;
 244                         }
 245
 246                         /*  orig
 247                         // check if the tag answers to GETVERSION (0x60)
 248                         c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
 249                         c.arg[1] = 1;
 250                         c.arg[2] = 0;
 251                         c.d.asBytes[0] = 0x60;
 252                         SendCommand(&c);
 253                         WaitForResponse(CMD_ACK,&resp);
 254
 255                         uint8_t version[10] = {0};
 256                         memcpy(version, resp.d.asBytes, resp.arg[0] < sizeof(version) ? resp.arg[0] : sizeof(version));
 257                         uint8_t len  = resp.arg[0] & 0xff;
 258                         switch ( len){
 259                                 // todo, identify "Magic UL-C tags".  // they usually have a static nonce response to 0x1A command.
 260                                 // UL-EV1, size, check version[6] == 0x0b (smaller)  0x0b * 4 == 48
 261                                 case 0x0A:PrintAndLog("TYPE : NXP MIFARE Ultralight EV1 %d bytes", (version[6] == 0xB) ? 48 : 128);     break;
 262                                 case 0x01:PrintAndLog("TYPE : NXP MIFARE Ultralight C");break;
 263                                 case 0x00:PrintAndLog("TYPE : NXP MIFARE Ultralight");break;
 264                         }
 265                         */
 266                         break;
 267                 case 0x01: PrintAndLog("TYPE : NXP TNP3xxx Activision Game Appliance"); break;
 268                 case 0x04: PrintAndLog("TYPE : NXP MIFARE (various !DESFire !DESFire EV1)"); break;
 269                 case 0x08: PrintAndLog("TYPE : NXP MIFARE CLASSIC 1k | Plus 2k SL1"); break;
 270                 case 0x09: PrintAndLog("TYPE : NXP MIFARE Mini 0.3k"); break;
 271                 case 0x10: PrintAndLog("TYPE : NXP MIFARE Plus 2k SL2"); break;
 272                 case 0x11: PrintAndLog("TYPE : NXP MIFARE Plus 4k SL2"); break;
 273                 case 0x18: PrintAndLog("TYPE : NXP MIFARE Classic 4k | Plus 4k SL1"); break;
 274                 case 0x20: PrintAndLog("TYPE : NXP MIFARE DESFire 4k | DESFire EV1 2k/4k/8k | Plus 2k/4k SL3 | JCOP 31/41"); break;
 275                 case 0x24: PrintAndLog("TYPE : NXP MIFARE DESFire | DESFire EV1"); break;
 276                 case 0x28: PrintAndLog("TYPE : JCOP31 or JCOP41 v2.3.1"); break;
 277                 case 0x38: PrintAndLog("TYPE : Nokia 6212 or 6131 MIFARE CLASSIC 4K"); break;
 278                 case 0x88: PrintAndLog("TYPE : Infineon MIFARE CLASSIC 1K"); break;
 279                 case 0x98: PrintAndLog("TYPE : Gemplus MPCOS"); break;
 280                 default: ;
 281         }
 282
 283         // Double & triple sized UID, can be mapped to a manufacturer.
 284         if ( card.uidlen > 4 ) {
 285                 PrintAndLog("MANUFACTURER : %s", getTagInfo(card.uid[0]));
 286         }
 287
 288         // try to request ATS even if tag claims not to support it
 289         if (select_status == 2) {
 290                 uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
 291                 c.arg[0] = ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT;
 292                 c.arg[1] = 2;
 293                 c.arg[2] = 0;
 294                 memcpy(c.d.asBytes, rats, 2);
 295                 clearCommandBuffer();
 296                 SendCommand(&c);
 297                 WaitForResponse(CMD_ACK,&resp);
 298
 299             memcpy(card.ats, resp.d.asBytes, resp.arg[0]);
 300                 card.ats_len = resp.arg[0];                             // note: ats_len includes CRC Bytes
 301         }
 302
 303         if(card.ats_len >= 3) {                 // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
 304                 bool ta1 = 0, tb1 = 0, tc1 = 0;
 305                 int pos;
 306
 307                 if (select_status == 2) {
 308                         PrintAndLog("SAK incorrectly claims that card doesn't support RATS");
 309                 }
 310                 PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len));
 311                 PrintAndLog("       -  TL : length is %d bytes", card.ats[0]);
 312                 if (card.ats[0] != card.ats_len - 2) {
 313                         PrintAndLog("ATS may be corrupted. Length of ATS (%d bytes incl. 2 Bytes CRC) doesn't match TL", card.ats_len);
 314                 }
 315
 316                 if (card.ats[0] > 1) {          // there is a format byte (T0)
 317                         ta1 = (card.ats[1] & 0x10) == 0x10;
 318                         tb1 = (card.ats[1] & 0x20) == 0x20;
 319                         tc1 = (card.ats[1] & 0x40) == 0x40;
 320                         int16_t fsci = card.ats[1] & 0x0f;
 321                         PrintAndLog("       -  T0 : TA1 is%s present, TB1 is%s present, "
 322                                         "TC1 is%s present, FSCI is %d (FSC = %ld)",
 323                                 (ta1 ? "" : " NOT"), (tb1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
 324                                 fsci,
 325                                 fsci < 5 ? (fsci - 2) * 8 :
 326                                         fsci < 8 ? (fsci - 3) * 32 :
 327                                         fsci == 8 ? 256 :
 328                                         -1
 329                                 );
 330                 }
 331                 pos = 2;
 332                 if (ta1) {
 333                         char dr[16], ds[16];
 334                         dr[0] = ds[0] = '\0';
 335                         if (card.ats[pos] & 0x10) strcat(ds, "2, ");
 336                         if (card.ats[pos] & 0x20) strcat(ds, "4, ");
 337                         if (card.ats[pos] & 0x40) strcat(ds, "8, ");
 338                         if (card.ats[pos] & 0x01) strcat(dr, "2, ");
 339                         if (card.ats[pos] & 0x02) strcat(dr, "4, ");
 340                         if (card.ats[pos] & 0x04) strcat(dr, "8, ");
 341                         if (strlen(ds) != 0) ds[strlen(ds) - 2] = '\0';
 342                         if (strlen(dr) != 0) dr[strlen(dr) - 2] = '\0';
 343                         PrintAndLog("       - TA1 : different divisors are%s supported, "
 344                                         "DR: [%s], DS: [%s]",
 345                                         (card.ats[pos] & 0x80 ? " NOT" : ""), dr, ds);
 346                         pos++;
 347                 }
 348                 if (tb1) {
 349                         uint32_t sfgi = card.ats[pos] & 0x0F;
 350                         uint32_t fwi = card.ats[pos] >> 4;
 351                         PrintAndLog("       - TB1 : SFGI = %d (SFGT = %s%ld/fc), FWI = %d (FWT = %ld/fc)",
 352                                         (sfgi),
 353                                         sfgi ? "" : "(not needed) ",
 354                                         sfgi ? (1 << 12) << sfgi : 0,
 355                                         fwi,
 356                                         (1 << 12) << fwi
 357                                         );
 358                         pos++;
 359                 }
 360                 if (tc1) {
 361                         PrintAndLog("       - TC1 : NAD is%s supported, CID is%s supported",
 362                                         (card.ats[pos] & 0x01) ? "" : " NOT",
 363                                         (card.ats[pos] & 0x02) ? "" : " NOT");
 364                         pos++;
 365                 }
 366                 if (card.ats[0] > pos) {
 367                         char *tip = "";
 368                         if (card.ats[0] - pos >= 7) {
 369                                 if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x01\xBC\xD6", 7) == 0) {
 370                                         tip = "-> MIFARE Plus X 2K or 4K";
 371                                 } else if (memcmp(card.ats + pos, "\xC1\x05\x2F\x2F\x00\x35\xC7", 7) == 0) {
 372                                         tip = "-> MIFARE Plus S 2K or 4K";
 373                                 }
 374                         }
 375                         PrintAndLog("       -  HB : %s%s", sprint_hex(card.ats + pos, card.ats[0] - pos), tip);
 376                         if (card.ats[pos] == 0xC1) {
 377                                 PrintAndLog("               c1 -> Mifare or (multiple) virtual cards of various type");
 378                                 PrintAndLog("                  %02x -> Length is %d bytes",
 379                                                 card.ats[pos + 1], card.ats[pos + 1]);
 380                                 switch (card.ats[pos + 2] & 0xf0) {
 381                                         case 0x10:
 382                                                 PrintAndLog("                     1x -> MIFARE DESFire");
 383                                                 break;
 384                                         case 0x20:
 385                                                 PrintAndLog("                     2x -> MIFARE Plus");
 386                                                 break;
 387                                 }
 388                                 switch (card.ats[pos + 2] & 0x0f) {
 389                                         case 0x00:
 390                                                 PrintAndLog("                     x0 -> <1 kByte");
 391                                                 break;
 392                                         case 0x01:
 393                                                 PrintAndLog("                     x1 -> 1 kByte");
 394                                                 break;
 395                                         case 0x02:
 396                                                 PrintAndLog("                     x2 -> 2 kByte");
 397                                                 break;
 398                                         case 0x03:
 399                                                 PrintAndLog("                     x3 -> 4 kByte");
 400                                                 break;
 401                                         case 0x04:
 402                                                 PrintAndLog("                     x4 -> 8 kByte");
 403                                                 break;
 404                                 }
 405                                 switch (card.ats[pos + 3] & 0xf0) {
 406                                         case 0x00:
 407                                                 PrintAndLog("                        0x -> Engineering sample");
 408                                                 break;
 409                                         case 0x20:
 410                                                 PrintAndLog("                        2x -> Released");
 411                                                 break;
 412                                 }
 413                                 switch (card.ats[pos + 3] & 0x0f) {
 414                                         case 0x00:
 415                                                 PrintAndLog("                        x0 -> Generation 1");
 416                                                 break;
 417                                         case 0x01:
 418                                                 PrintAndLog("                        x1 -> Generation 2");
 419                                                 break;
 420                                         case 0x02:
 421                                                 PrintAndLog("                        x2 -> Generation 3");
 422                                                 break;
 423                                 }
 424                                 switch (card.ats[pos + 4] & 0x0f) {
 425                                         case 0x00:
 426                                                 PrintAndLog("                           x0 -> Only VCSL supported");
 427                                                 break;
 428                                         case 0x01:
 429                                                 PrintAndLog("                           x1 -> VCS, VCSL, and SVC supported");
 430                                                 break;
 431                                         case 0x0E:
 432                                                 PrintAndLog("                           xE -> no VCS command supported");
 433                                                 break;
 434                                 }
 435                         }
 436                 }
 437         } else {
 438                 PrintAndLog("proprietary non iso14443-4 card found, RATS not supported");
 439         }
 440
 441
 442         // try to see if card responses to "chinese magic backdoor" commands.
 443         uint8_t isOK = 0;
 444         clearCommandBuffer();
 445         c.cmd = CMD_MIFARE_CIDENT;
 446         c.arg[0] = 0;
 447         c.arg[1] = 0;
 448         c.arg[2] = 0;
 449         SendCommand(&c);
 450         if (WaitForResponseTimeout(CMD_ACK, &resp, 1500))
 451                 isOK  = resp.arg[0] & 0xff;
 452
 453         PrintAndLog("Answers to magic commands (GEN1): %s", (isOK ? "YES" : "NO") );
 454
 455         // disconnect
 456         c.cmd = CMD_READER_ISO_14443a;
 457         c.arg[0] = 0;
 458         c.arg[1] = 0;
 459         c.arg[2] = 0;
 460         SendCommand(&c);
 461
 462         return select_status;
 463 }
 464
 465 // Collect ISO14443 Type A UIDs
 466 int CmdHF14ACUIDs(const char *Cmd) {
 467         // requested number of UIDs
 468         int n = atoi(Cmd);
 469         // collect at least 1 (e.g. if no parameter was given)
 470         n = n > 0 ? n : 1;
 471
 472         PrintAndLog("Collecting %d UIDs", n);
 473         PrintAndLog("Start: %u", time(NULL));
 474         // repeat n times
 475         for (int i = 0; i < n; i++) {
 476                 // execute anticollision procedure
 477                 UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
 478                 SendCommand(&c);
 479
 480                 UsbCommand resp;
 481                 WaitForResponse(CMD_ACK,&resp);
 482
 483                 iso14a_card_select_t *card = (iso14a_card_select_t *) resp.d.asBytes;
 484
 485                 // check if command failed
 486                 if (resp.arg[0] == 0) {
 487                         PrintAndLog("Card select failed.");
 488                 } else {
 489                         char uid_string[20];
 490                         for (uint16_t i = 0; i < card->uidlen; i++) {
 491                                 sprintf(&uid_string[2*i], "%02X", card->uid[i]);
 492                         }
 493                         PrintAndLog("%s", uid_string);
 494                 }
 495         }
 496         PrintAndLog("End: %u", time(NULL));
 497         return 1;
 498 }
 499
 500 // ## simulate iso14443a tag
 501 // ## greg - added ability to specify tag UID
 502 int CmdHF14ASim(const char *Cmd) {
 503         bool errors = FALSE;
 504         uint8_t flags = 0;
 505         uint8_t tagtype = 1;
 506         uint8_t cmdp = 0;
 507         uint8_t uid[10] = {0,0,0,0,0,0,0,0,0,0};
 508         int uidlen = 0;
 509         uint8_t data[40];
 510         uint64_t key = 0;
 511         UsbCommand resp;
 512         bool useUIDfromEML = TRUE;
 513
 514         while(param_getchar(Cmd, cmdp) != 0x00) {
 515                 switch(param_getchar(Cmd, cmdp)) {
 516                         case 'h':
 517                         case 'H':
 518                                 return usage_hf_14a_sim();
 519                         case 't':
 520                         case 'T':
 521                                 // Retrieve the tag type
 522                                 tagtype = param_get8ex(Cmd, cmdp+1, 0, 10);
 523                                 if (tagtype == 0)
 524                                         errors = true;
 525                                 cmdp += 2;
 526                                 break;
 527                         case 'u':
 528                         case 'U':
 529                                 // Retrieve the full 4,7,10 byte long uid
 530                                 param_gethex_ex(Cmd, cmdp+1, uid, &uidlen);
 531                                 switch(uidlen) {
 532                                         //case 20: flags |= FLAG_10B_UID_IN_DATA; break;
 533                                         case 14: flags |= FLAG_7B_UID_IN_DATA; break;
 534                                         case  8: flags |= FLAG_4B_UID_IN_DATA; break;
 535                                         default: errors = TRUE; break;
 536                                 }
 537                                 if (!errors) {
 538                                         PrintAndLog("Emulating ISO/IEC 14443 type A tag with %d byte UID (%s)", uidlen>>1, sprint_hex(uid, uidlen>>1));
 539                                         useUIDfromEML = FALSE;
 540                                 }
 541                                 cmdp += 2;
 542                                 break;
 543                         case 'x':
 544                         case 'X':
 545                                 flags |= FLAG_NR_AR_ATTACK;
 546                                 cmdp++;
 547                                 break;
 548                         default:
 549                                 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 550                                 errors = true;
 551                                 break;
 552                         }
 553                 if(errors) break;
 554         }
 555
 556         //Validations
 557         if (errors) return usage_hf_14a_sim();
 558
 559         if ( useUIDfromEML )
 560                 flags |= FLAG_UID_IN_EMUL;
 561
 562         PrintAndLog("Press pm3-button to abort simulation");
 563
 564         UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443a,{ tagtype, flags, 0 }};
 565         memcpy(c.d.asBytes, uid, uidlen>>1);
 566         clearCommandBuffer();
 567         SendCommand(&c);
 568
 569         while(!ukbhit()){
 570                 if ( WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 571                         if ( (resp.arg[0] & 0xffff) == CMD_SIMULATE_MIFARE_CARD ){
 572                                 memset(data, 0x00, sizeof(data));
 573                                 int len = (resp.arg[1] > sizeof(data)) ? sizeof(data) : resp.arg[1];
 574                                 memcpy(data, resp.d.asBytes, len);
 575                                 key = 0;
 576
 577                                 if ( flags & FLAG_NR_AR_ATTACK ) {
 578                                         bool found = tryMfk32(data, &key);
 579                                         found ^= tryMfk32_moebius(data, &key);
 580                                 }
 581                         }
 582                 }
 583         }
 584         return 0;
 585 }
 586
 587 int CmdHF14ASniff(const char *Cmd) {
 588         int param = 0;
 589
 590         uint8_t ctmp = param_getchar(Cmd, 0) ;
 591         if (ctmp == 'h' || ctmp == 'H') return usage_hf_14a_sniff();
 592
 593         for (int i = 0; i < 2; i++) {
 594                 ctmp = param_getchar(Cmd, i);
 595                 if (ctmp == 'c' || ctmp == 'C') param |= 0x01;
 596                 if (ctmp == 'r' || ctmp == 'R') param |= 0x02;
 597         }
 598
 599   UsbCommand c = {CMD_SNOOP_ISO_14443a, {param, 0, 0}};
 600   clearCommandBuffer();
 601   SendCommand(&c);
 602   return 0;
 603 }
 604
 605 int CmdHF14ACmdRaw(const char *cmd) {
 606     UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
 607     bool reply=1;
 608     bool crc = FALSE;
 609     bool power = FALSE;
 610     bool active = FALSE;
 611     bool active_select = FALSE;
 612     uint16_t numbits=0;
 613         bool bTimeout = FALSE;
 614         uint32_t timeout=0;
 615         bool topazmode = FALSE;
 616     char buf[5]="";
 617     int i=0;
 618     uint8_t data[USB_CMD_DATA_SIZE];
 619         uint16_t datalen=0;
 620         uint32_t temp;
 621
 622     if (strlen(cmd)<2) return usage_hf_14a_raw();
 623
 624     // strip
 625     while (*cmd==' ' || *cmd=='\t') cmd++;
 626
 627     while (cmd[i]!='\0') {
 628         if (cmd[i]==' ' || cmd[i]=='\t') { i++; continue; }
 629         if (cmd[i]=='-') {
 630             switch (cmd[i+1]) {
 631                                 case 'H':
 632                                 case 'h':
 633                                         return usage_hf_14a_raw();
 634                 case 'r':
 635                     reply = FALSE;
 636                     break;
 637                 case 'c':
 638                     crc = TRUE;
 639                     break;
 640                 case 'p':
 641                     power = TRUE;
 642                     break;
 643                 case 'a':
 644                     active = TRUE;
 645                     break;
 646                 case 's':
 647                     active_select = TRUE;
 648                     break;
 649                 case 'b':
 650                     sscanf(cmd+i+2,"%d",&temp);
 651                     numbits = temp & 0xFFFF;
 652                     i+=3;
 653                     while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
 654                     i-=2;
 655                     break;
 656                                 case 't':
 657                                         bTimeout = TRUE;
 658                                         sscanf(cmd+i+2,"%d",&temp);
 659                                         timeout = temp;
 660                                         i+=3;
 661                                         while(cmd[i]!=' ' && cmd[i]!='\0') { i++; }
 662                                         i-=2;
 663                                         break;
 664                 case 'T':
 665                                         topazmode = TRUE;
 666                                         break;
 667                 default:
 668                     return usage_hf_14a_raw();
 669             }
 670             i+=2;
 671             continue;
 672         }
 673         if ((cmd[i]>='0' && cmd[i]<='9') ||
 674             (cmd[i]>='a' && cmd[i]<='f') ||
 675             (cmd[i]>='A' && cmd[i]<='F') ) {
 676             buf[strlen(buf)+1]=0;
 677             buf[strlen(buf)]=cmd[i];
 678             i++;
 679
 680             if (strlen(buf)>=2) {
 681                 sscanf(buf,"%x",&temp);
 682                 data[datalen]=(uint8_t)(temp & 0xff);
 683                 *buf=0;
 684                                 if (++datalen >= sizeof(data)){
 685                                         if (crc)
 686                                                 PrintAndLog("Buffer is full, we can't add CRC to your data");
 687                                         break;
 688                                 }
 689             }
 690             continue;
 691         }
 692         PrintAndLog("Invalid char on input");
 693         return 0;
 694     }
 695
 696     if(crc && datalen>0 && datalen<sizeof(data)-2)
 697     {
 698         uint8_t first, second;
 699                 if (topazmode) {
 700                         ComputeCrc14443(CRC_14443_B, data, datalen, &first, &second);
 701                 } else {
 702                         ComputeCrc14443(CRC_14443_A, data, datalen, &first, &second);
 703                 }
 704         data[datalen++] = first;
 705         data[datalen++] = second;
 706     }
 707
 708     if(active || active_select)
 709     {
 710         c.arg[0] |= ISO14A_CONNECT;
 711         if(active)
 712             c.arg[0] |= ISO14A_NO_SELECT;
 713     }
 714
 715         if(bTimeout){
 716             #define MAX_TIMEOUT 40542464        // = (2^32-1) * (8*16) / 13560000Hz * 1000ms/s
 717         c.arg[0] |= ISO14A_SET_TIMEOUT;
 718         if(timeout > MAX_TIMEOUT) {
 719             timeout = MAX_TIMEOUT;
 720             PrintAndLog("Set timeout to 40542 seconds (11.26 hours). The max we can wait for response");
 721         }
 722                 c.arg[2] = 13560000 / 1000 / (8*16) * timeout; // timeout in ETUs (time to transfer 1 bit, approx. 9.4 us)
 723         }
 724
 725     if(power)
 726         c.arg[0] |= ISO14A_NO_DISCONNECT;
 727
 728     if(datalen>0)
 729         c.arg[0] |= ISO14A_RAW;
 730
 731         if(topazmode)
 732                 c.arg[0] |= ISO14A_TOPAZMODE;
 733
 734         // Max buffer is USB_CMD_DATA_SIZE
 735         datalen = (datalen > USB_CMD_DATA_SIZE) ? USB_CMD_DATA_SIZE : datalen;
 736
 737     c.arg[1] = (datalen & 0xFFFF) | (uint32_t)(numbits << 16);
 738     memcpy(c.d.asBytes, data, datalen);
 739
 740         clearCommandBuffer();
 741     SendCommand(&c);
 742
 743     if (reply) {
 744         if(active_select)
 745             waitCmd(1);
 746         if(datalen>0)
 747             waitCmd(0);
 748     } // if reply
 749     return 0;
 750 }
 751
 752 static void waitCmd(uint8_t iSelect) {
 753     UsbCommand resp;
 754     uint16_t len = 0;
 755
 756     if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 757         len = iSelect ? (resp.arg[1] & 0xffff) : (resp.arg[0]  & 0xffff);
 758         PrintAndLog("received %i octets", len);
 759         if(!len)
 760             return;
 761                 PrintAndLog("%s", sprint_hex(resp.d.asBytes, len) );
 762     } else {
 763         PrintAndLog("timeout while waiting for reply.");
 764     }
 765 }
 766
 767 static command_t CommandTable[] =
 768 {
 769   {"help",   CmdHelp,              1, "This help"},
 770   {"list",   CmdHF14AList,         0, "[Deprecated] List ISO 14443a history"},
 771   {"reader", CmdHF14AReader,       0, "Act like an ISO14443 Type A reader"},
 772   {"cuids",  CmdHF14ACUIDs,        0, "<n> Collect n>0 ISO14443 Type A UIDs in one go"},
 773   {"sim",    CmdHF14ASim,          0, "<UID> -- Simulate ISO 14443a tag"},
 774   {"sniff",  CmdHF14ASniff,        0, "sniff ISO 14443 Type A traffic"},
 775   {"raw",    CmdHF14ACmdRaw,       0, "Send raw hex data to tag"},
 776   {NULL, NULL, 0, NULL}
 777 };
 778
 779 int CmdHF14A(const char *Cmd) {
 780         clearCommandBuffer();
 781         CmdsParse(CommandTable, Cmd);
 782         return 0;
 783 }
 784
 785 int CmdHelp(const char *Cmd) {
 786   CmdsHelp(CommandTable);
 787   return 0;
 788 }