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

   1 //-----------------------------------------------------------------------------
   2 // Ultralight Code (c) 2013,2014 Midnitesnake & Andy Davies of Pentura
   3 //
   4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   5 // at your option, any later version. See the LICENSE.txt file for the text of
   6 // the license.
   7 //-----------------------------------------------------------------------------
   8 // High frequency MIFARE ULTRALIGHT (C) commands
   9 //-----------------------------------------------------------------------------
  10 #include "loclass/des.h"
  11 #include "cmdhfmfu.h"
  12 #include "cmdhfmf.h"
  13 #include "cmdhf14a.h"
  14 #include "mifare.h"
  15 #include "util.h"
  16 #include "protocols.h"
  17 #include "data.h"
  18
  19 #define MAX_UL_BLOCKS     0x0f
  20 #define MAX_ULC_BLOCKS    0x2b
  21 #define MAX_ULEV1a_BLOCKS 0x13
  22 #define MAX_ULEV1b_BLOCKS 0x28
  23 #define MAX_NTAG_203      0x29
  24 #define MAX_NTAG_210      0x13
  25 #define MAX_NTAG_212      0x28
  26 #define MAX_NTAG_213      0x2c
  27 #define MAX_NTAG_215      0x86
  28 #define MAX_NTAG_216      0xe6
  29 #define MAX_MY_D_NFC       0xff
  30 #define MAX_MY_D_MOVE      0x25
  31 #define MAX_MY_D_MOVE_LEAN 0x0f
  32
  33 #define KEYS_3DES_COUNT 7
  34 uint8_t default_3des_keys[KEYS_3DES_COUNT][16] = {
  35                 { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
  36                 { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
  37                 { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
  38                 { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
  39                 { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones
  40                 { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
  41                 { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF }     // 11 22 33
  42 };
  43
  44 #define KEYS_PWD_COUNT 10
  45 uint8_t default_pwd_pack[KEYS_PWD_COUNT][4] = {
  46         {0xFF,0xFF,0xFF,0xFF}, // PACK 0x00,0x00 -- factory default
  47
  48         {0x4A,0xF8,0x4B,0x19}, // PACK 0xE5,0xBE -- italian bus (sniffed)
  49         {0x33,0x6B,0xA1,0x19}, // PACK 0x9c,0x2d -- italian bus (sniffed)
  50         {0xFF,0x90,0x6C,0xB2}, // PACK 0x12,0x9e -- italian bus (sniffed)
  51         {0x46,0x1c,0xA3,0x19}, // PACK 0xE9,0x5A -- italian bus (sniffed)
  52         {0x35,0x1C,0xD0,0x19}, // PACK 0x9A,0x5a -- italian bus (sniffed)
  53
  54         {0x05,0x22,0xE6,0xB4}, // PACK 0x80,0x80 -- Amiiboo (sniffed) pikachu-b UID:
  55         {0x7E,0x22,0xE6,0xB4}, // PACK 0x80,0x80 -- AMiiboo (sniffed)
  56         {0x02,0xE1,0xEE,0x36}, // PACK 0x80,0x80 -- AMiiboo (sniffed) sonic UID:  04d257 7ae33e8027
  57         {0x32,0x0C,0x16,0x17}, // PACK 0x80,0x80 -- AMiiboo (sniffed)
  58 };
  59
  60 #define MAX_UL_TYPES 17
  61 uint16_t UL_TYPES_ARRAY[MAX_UL_TYPES] = {UNKNOWN, UL, UL_C, UL_EV1_48, UL_EV1_128, NTAG, NTAG_203,
  62             NTAG_210, NTAG_212, NTAG_213, NTAG_215, NTAG_216, MY_D, MY_D_NFC, MY_D_MOVE, MY_D_MOVE_NFC, MY_D_MOVE_LEAN};
  63
  64 uint8_t UL_MEMORY_ARRAY[MAX_UL_TYPES] = {MAX_UL_BLOCKS, MAX_UL_BLOCKS, MAX_ULC_BLOCKS, MAX_ULEV1a_BLOCKS,
  65             MAX_ULEV1b_BLOCKS, MAX_NTAG_203, MAX_NTAG_203, MAX_NTAG_210, MAX_NTAG_212, MAX_NTAG_213,
  66             MAX_NTAG_215, MAX_NTAG_216, MAX_UL_BLOCKS, MAX_MY_D_NFC, MAX_MY_D_MOVE, MAX_MY_D_MOVE, MAX_MY_D_MOVE_LEAN};
  67
  68
  69 static int CmdHelp(const char *Cmd);
  70
  71 // get version nxp product type
  72 char *getProductTypeStr( uint8_t id){
  73
  74         static char buf[20];
  75         char *retStr = buf;
  76
  77         switch(id) {
  78                 case 3: sprintf(retStr, "%02X, Ultralight", id); break;
  79                 case 4: sprintf(retStr, "%02X, NTAG", id); break;
  80                 default: sprintf(retStr, "%02X, unknown", id); break;
  81         }
  82         return buf;
  83 }
  84
  85 /*
  86   The 7 MSBits (=n) code the storage size itself based on 2^n,
  87   the LSBit is set to '0' if the size is exactly 2^n
  88   and set to '1' if the storage size is between 2^n and 2^(n+1).
  89 */
  90 char *getUlev1CardSizeStr( uint8_t fsize ){
  91
  92         static char buf[40];
  93         char *retStr = buf;
  94         memset(buf, 0, sizeof(buf));
  95
  96         uint16_t usize = 1 << ((fsize >>1) + 1);
  97         uint16_t lsize = 1 << (fsize >>1);
  98
  99         // is  LSB set?
 100         if (  fsize & 1 )
 101                 sprintf(retStr, "%02X, (%u <-> %u bytes)",fsize, usize, lsize);
 102         else
 103                 sprintf(retStr, "%02X, (%u bytes)", fsize, lsize);
 104         return buf;
 105 }
 106
 107 static void ul_switch_on_field(void) {
 108         UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
 109         clearCommandBuffer();
 110         SendCommand(&c);
 111 }
 112
 113 void ul_switch_off_field(void) {
 114         UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
 115         clearCommandBuffer();
 116         SendCommand(&c);
 117 }
 118
 119 static int ul_send_cmd_raw( uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength ) {
 120         UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_APPEND_CRC, cmdlen, 0}};
 121         memcpy(c.d.asBytes, cmd, cmdlen);
 122         clearCommandBuffer();
 123         SendCommand(&c);
 124         UsbCommand resp;
 125         if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
 126         if (!resp.arg[0] && responseLength) return -1;
 127
 128         uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
 129         memcpy(response, resp.d.asBytes, resplen);
 130         return resplen;
 131 }
 132
 133 static int ul_select( iso14a_card_select_t *card ){
 134
 135         ul_switch_on_field();
 136
 137         UsbCommand resp;
 138         bool ans = false;
 139         ans = WaitForResponseTimeout(CMD_ACK, &resp, 1500);
 140         if (!ans || resp.arg[0] < 1) {
 141                 PrintAndLog("iso14443a card select failed");
 142                 ul_switch_off_field();
 143                 return 0;
 144         }
 145
 146         memcpy(card, resp.d.asBytes, sizeof(iso14a_card_select_t));
 147         return 1;
 148 }
 149
 150 // This read command will at least return 16bytes.
 151 static int ul_read( uint8_t page, uint8_t *response, uint16_t responseLength ){
 152
 153         uint8_t cmd[] = {ISO14443A_CMD_READBLOCK, page};
 154         int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
 155         return len;
 156 }
 157
 158 static int ul_comp_write( uint8_t page, uint8_t *data, uint8_t datalen ){
 159
 160         uint8_t cmd[18];
 161         memset(cmd, 0x00, sizeof(cmd));
 162         datalen = ( datalen > 16) ? 16 : datalen;
 163
 164         cmd[0] = ISO14443A_CMD_WRITEBLOCK;
 165         cmd[1] = page;
 166         memcpy(cmd+2, data, datalen);
 167
 168         uint8_t response[1] = {0xff};
 169         ul_send_cmd_raw(cmd, 2+datalen, response, sizeof(response));
 170         // ACK
 171         if ( response[0] == 0x0a ) return 0;
 172         // NACK
 173         return -1;
 174 }
 175
 176 static int ulc_requestAuthentication( uint8_t *nonce, uint16_t nonceLength ){
 177
 178         uint8_t cmd[] = {MIFARE_ULC_AUTH_1, 0x00};
 179         int len = ul_send_cmd_raw(cmd, sizeof(cmd), nonce, nonceLength);
 180         return len;
 181 }
 182
 183 static int ulc_authentication( uint8_t *key, bool switch_off_field ){
 184
 185         UsbCommand c = {CMD_MIFAREUC_AUTH, {switch_off_field}};
 186         memcpy(c.d.asBytes, key, 16);
 187         clearCommandBuffer();
 188         SendCommand(&c);
 189         UsbCommand resp;
 190         if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return 0;
 191         if ( resp.arg[0] == 1 ) return 1;
 192
 193         return 0;
 194 }
 195
 196 static int ulev1_requestAuthentication( uint8_t *pwd, uint8_t *pack, uint16_t packLength ){
 197
 198         uint8_t cmd[] = {MIFARE_ULEV1_AUTH, pwd[0], pwd[1], pwd[2], pwd[3]};
 199         int len = ul_send_cmd_raw(cmd, sizeof(cmd), pack, packLength);
 200         return len;
 201 }
 202
 203 static int ul_auth_select( iso14a_card_select_t *card, TagTypeUL_t tagtype, bool hasAuthKey, uint8_t *authenticationkey, uint8_t *pack, uint8_t packSize){
 204         if ( hasAuthKey && (tagtype & UL_C)) {
 205                 //will select card automatically and close connection on error
 206                 if (!ulc_authentication(authenticationkey, false)) {
 207                         PrintAndLog("Error: Authentication Failed UL-C");
 208                         return 0;
 209                 }
 210         } else {
 211                 if ( !ul_select(card) ) return 0;
 212
 213                 if (hasAuthKey) {
 214                         if (ulev1_requestAuthentication(authenticationkey, pack, packSize) < 1) {
 215                                 ul_switch_off_field();
 216                                 PrintAndLog("Error: Authentication Failed UL-EV1/NTAG");
 217                                 return 0;
 218                         }
 219                 }
 220         }
 221         return 1;
 222 }
 223
 224 static int ulev1_getVersion( uint8_t *response, uint16_t responseLength ){
 225
 226         uint8_t cmd[] = {MIFARE_ULEV1_VERSION};
 227         int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
 228         return len;
 229 }
 230
 231 // static int ulev1_fastRead( uint8_t startblock, uint8_t endblock, uint8_t *response ){
 232
 233         // uint8_t cmd[] = {MIFARE_ULEV1_FASTREAD, startblock, endblock};
 234
 235         // if ( !ul_send_cmd_raw(cmd, sizeof(cmd), response)){
 236                 // return -1;
 237         // }
 238         // return 0;
 239 // }
 240
 241 static int ulev1_readCounter( uint8_t counter, uint8_t *response, uint16_t responseLength ){
 242
 243         uint8_t cmd[] = {MIFARE_ULEV1_READ_CNT, counter};
 244         int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
 245         return len;
 246 }
 247
 248 static int ulev1_readTearing( uint8_t counter, uint8_t *response, uint16_t responseLength ){
 249
 250         uint8_t cmd[] = {MIFARE_ULEV1_CHECKTEAR, counter};
 251         int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
 252         return len;
 253 }
 254
 255 static int ulev1_readSignature( uint8_t *response, uint16_t responseLength ){
 256
 257         uint8_t cmd[] = {MIFARE_ULEV1_READSIG, 0x00};
 258         int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
 259         return len;
 260 }
 261
 262 static int ul_print_default( uint8_t *data){
 263
 264         uint8_t uid[7];
 265         uid[0] = data[0];
 266         uid[1] = data[1];
 267         uid[2] = data[2];
 268         uid[3] = data[4];
 269         uid[4] = data[5];
 270         uid[5] = data[6];
 271         uid[6] = data[7];
 272
 273         PrintAndLog("       UID : %s ", sprint_hex(uid, 7));
 274         PrintAndLog("    UID[0] : %02X, %s",  uid[0], getTagInfo(uid[0]) );
 275         if ( uid[0] == 0x05 && ((uid[1] & 0xf0) >> 4) == 2 ) { // is infineon and 66RxxP
 276                 uint8_t chip = (data[8] & 0xC7); // 11000111  mask, bit 3,4,5 RFU
 277                 switch (chip){
 278                         case 0xc2: PrintAndLog("   IC type : SLE 66R04P 770 Bytes"); break; //77 pages
 279                         case 0xc4: PrintAndLog("   IC type : SLE 66R16P 2560 Bytes"); break; //256 pages
 280                         case 0xc6: PrintAndLog("   IC type : SLE 66R32P 5120 Bytes"); break; //512 pages /2 sectors
 281                 }
 282         }
 283         // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
 284         int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
 285         if ( data[3] == crc0 )
 286                 PrintAndLog("      BCC0 : %02X, Ok", data[3]);
 287         else
 288                 PrintAndLog("      BCC0 : %02X, crc should be %02X", data[3], crc0);
 289
 290         int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
 291         if ( data[8] == crc1 )
 292                 PrintAndLog("      BCC1 : %02X, Ok", data[8]);
 293         else
 294                 PrintAndLog("      BCC1 : %02X, crc should be %02X", data[8], crc1 );
 295
 296         PrintAndLog("  Internal : %02X, %sdefault", data[9], (data[9]==0x48)?"":"not " );
 297
 298         PrintAndLog("      Lock : %s - %s",
 299                                 sprint_hex(data+10, 2),
 300                                 printBits(2, data+10)
 301                 );
 302
 303         PrintAndLog("OneTimePad : %s - %s\n",
 304                                 sprint_hex(data + 12, 4),
 305                                 printBits(4, data+12)
 306                 );
 307
 308         return 0;
 309 }
 310
 311 static int ndef_print_CC(uint8_t *data) {
 312         // no NDEF message
 313         if(data[0] != 0xe1)
 314                 return -1;
 315
 316         PrintAndLog("--- NDEF Message");
 317         PrintAndLog("Capability Container: %s", sprint_hex(data,4) );
 318         PrintAndLog("  %02X : NDEF Magic Number", data[0]);
 319         PrintAndLog("  %02X : version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
 320         PrintAndLog("  %02X : Physical Memory Size: %d bytes", data[2], (data[2] + 1) * 8);
 321         if ( data[2] == 0x96 )
 322                 PrintAndLog("  %02X : NDEF Memory Size: %d bytes", data[2], 48);
 323         else if ( data[2] == 0x12 )
 324                 PrintAndLog("  %02X : NDEF Memory Size: %d bytes", data[2], 144);
 325         else if ( data[2] == 0x3e )
 326                 PrintAndLog("  %02X : NDEF Memory Size: %d bytes", data[2], 496);
 327         else if ( data[2] == 0x6d )
 328                 PrintAndLog("  %02X : NDEF Memory Size: %d bytes", data[2], 872);
 329
 330         PrintAndLog("  %02X : %s / %s", data[3],
 331                                 (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
 332                                 (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
 333         return 0;
 334 }
 335
 336 int ul_print_type(uint32_t tagtype, uint8_t spaces){
 337         char spc[11] = "          ";
 338         spc[10]=0x00;
 339         char *spacer = spc + (10-spaces);
 340
 341         if ( tagtype & UL )
 342                 PrintAndLog("%sTYPE : MIFARE Ultralight (MF0ICU1) %s", spacer, (tagtype & MAGIC) ? "<magic>" : "" );
 343         else if ( tagtype & UL_C)
 344                 PrintAndLog("%sTYPE : MIFARE Ultralight C (MF0ULC) %s", spacer, (tagtype & MAGIC) ? "<magic>" : "" );
 345         else if ( tagtype & UL_EV1_48)
 346                 PrintAndLog("%sTYPE : MIFARE Ultralight EV1 48bytes (MF0UL1101)", spacer);
 347         else if ( tagtype & UL_EV1_128)
 348                 PrintAndLog("%sTYPE : MIFARE Ultralight EV1 128bytes (MF0UL2101)", spacer);
 349         else if ( tagtype & NTAG )
 350                 PrintAndLog("%sTYPE : NTAG UNKNOWN", spacer);
 351         else if ( tagtype & NTAG_203 )
 352                 PrintAndLog("%sTYPE : NTAG 203 144bytes (NT2H0301F0DT)", spacer);
 353         else if ( tagtype & NTAG_210 )
 354                 PrintAndLog("%sTYPE : NTAG 210 48bytes (NT2L1011G0DU)", spacer);
 355         else if ( tagtype & NTAG_212 )
 356                 PrintAndLog("%sTYPE : NTAG 212 128bytes (NT2L1211G0DU)", spacer);
 357         else if ( tagtype & NTAG_213 )
 358                 PrintAndLog("%sTYPE : NTAG 213 144bytes (NT2H1311G0DU)", spacer);
 359         else if ( tagtype & NTAG_215 )
 360                 PrintAndLog("%sTYPE : NTAG 215 504bytes (NT2H1511G0DU)", spacer);
 361         else if ( tagtype & NTAG_216 )
 362                 PrintAndLog("%sTYPE : NTAG 216 888bytes (NT2H1611G0DU)", spacer);
 363         else if ( tagtype & NTAG_I2C_1K )
 364                 PrintAndLog("%sTYPE : NTAG I%sC 888bytes (NT3H1101FHK)", spacer, "\xFD");
 365         else if ( tagtype & NTAG_I2C_2K )
 366                 PrintAndLog("%sTYPE : NTAG I%sC 1904bytes (NT3H1201FHK)", spacer, "\xFD");
 367         else if ( tagtype & MY_D )
 368                 PrintAndLog("%sTYPE : INFINEON my-d\0153 (SLE 66RxxS)", spacer);
 369         else if ( tagtype & MY_D_NFC )
 370                 PrintAndLog("%sTYPE : INFINEON my-d\0153 NFC (SLE 66RxxP)", spacer);
 371         else if ( tagtype & MY_D_MOVE )
 372                 PrintAndLog("%sTYPE : INFINEON my-d\0153 move (SLE 66R01P)", spacer);
 373         else if ( tagtype & MY_D_MOVE_NFC )
 374                 PrintAndLog("%sTYPE : INFINEON my-d\0153 move NFC (SLE 66R01P)", spacer);
 375         else if ( tagtype & MY_D_MOVE_LEAN )
 376                 PrintAndLog("%sTYPE : INFINEON my-d\x99 move lean (SLE 66R01L)", spacer);
 377         else
 378                 PrintAndLog("%sTYPE : Unknown %06x", spacer, tagtype);
 379         return 0;
 380 }
 381
 382 static int ulc_print_3deskey( uint8_t *data){
 383         PrintAndLog("         deskey1 [44/0x2C] : %s [%.4s]", sprint_hex(data   ,4),data);
 384         PrintAndLog("         deskey1 [45/0x2D] : %s [%.4s]", sprint_hex(data+4 ,4),data+4);
 385         PrintAndLog("         deskey2 [46/0x2E] : %s [%.4s]", sprint_hex(data+8 ,4),data+8);
 386         PrintAndLog("         deskey2 [47/0x2F] : %s [%.4s]", sprint_hex(data+12,4),data+12);
 387         PrintAndLog("\n 3des key : %s", sprint_hex(SwapEndian64(data, 16, 8), 16));
 388         return 0;
 389 }
 390
 391 static int ulc_print_configuration( uint8_t *data){
 392
 393         PrintAndLog("--- UL-C Configuration");
 394         PrintAndLog(" Higher Lockbits [40/0x28] : %s - %s", sprint_hex(data, 4), printBits(2, data));
 395         PrintAndLog("         Counter [41/0x29] : %s - %s", sprint_hex(data+4, 4), printBits(2, data+4));
 396
 397         bool validAuth = (data[8] >= 0x03 && data[8] <= 0x30);
 398         if ( validAuth )
 399                 PrintAndLog("           Auth0 [42/0x2A] : %s page %d/0x%02X and above need authentication", sprint_hex(data+8, 4), data[8],data[8] );
 400         else{
 401                 if ( data[8] == 0){
 402                         PrintAndLog("           Auth0 [42/0x2A] : %s default", sprint_hex(data+8, 4) );
 403                 } else {
 404                         PrintAndLog("           Auth0 [42/0x2A] : %s auth byte is out-of-range", sprint_hex(data+8, 4) );
 405                 }
 406         }
 407         PrintAndLog("           Auth1 [43/0x2B] : %s %s",
 408                         sprint_hex(data+12, 4),
 409                         (data[12] & 1) ? "write access restricted": "read and write access restricted"
 410                         );
 411         return 0;
 412 }
 413
 414 static int ulev1_print_configuration( uint8_t *data, uint8_t startPage){
 415
 416         PrintAndLog("\n--- Tag Configuration");
 417
 418         bool strg_mod_en = (data[0] & 2);
 419         uint8_t authlim = (data[4] & 0x07);
 420         bool cfglck = (data[4] & 0x40);
 421         bool prot = (data[4] & 0x80);
 422         uint8_t vctid = data[5];
 423
 424         PrintAndLog("  cfg0 [%u/0x%02X] : %s", startPage, startPage, sprint_hex(data, 4));
 425         if ( data[3] < 0xff )
 426                 PrintAndLog("                    - page %d and above need authentication",data[3]);
 427         else
 428                 PrintAndLog("                    - pages don't need authentication");
 429         PrintAndLog("                    - strong modulation mode %s", (strg_mod_en) ? "enabled":"disabled");
 430         PrintAndLog("  cfg1 [%u/0x%02X] : %s", startPage + 1, startPage + 1,  sprint_hex(data+4, 4) );
 431         if ( authlim == 0)
 432                 PrintAndLog("                    - Unlimited password attempts");
 433         else
 434                 PrintAndLog("                    - Max number of password attempts is %d", authlim);
 435         PrintAndLog("                    - user configuration %s", cfglck ? "permanently locked":"writeable");
 436         PrintAndLog("                    - %s access is protected with password", prot ? "read and write":"write");
 437         PrintAndLog("                    - %02X, Virtual Card Type Identifier is %s default", vctid, (vctid==0x05)? "":"not");
 438         PrintAndLog("  PWD  [%u/0x%02X] : %s- (cannot be read)", startPage + 2, startPage + 2,  sprint_hex(data+8, 4));
 439         PrintAndLog("  PACK [%u/0x%02X] : %s      - (cannot be read)", startPage + 3, startPage + 3,  sprint_hex(data+12, 2));
 440         PrintAndLog("  RFU  [%u/0x%02X] :       %s- (cannot be read)", startPage + 3, startPage + 3,  sprint_hex(data+12, 2));
 441         return 0;
 442 }
 443
 444 static int ulev1_print_counters(){
 445         PrintAndLog("--- Tag Counters");
 446         uint8_t tear[1] = {0};
 447         uint8_t counter[3] = {0,0,0};
 448         uint16_t len = 0;
 449         for ( uint8_t i = 0; i<3; ++i) {
 450                 ulev1_readTearing(i,tear,sizeof(tear));
 451                 len = ulev1_readCounter(i,counter, sizeof(counter) );
 452                 if (len == 3) {
 453                         PrintAndLog("       [%0d] : %s", i, sprint_hex(counter,3));
 454                         PrintAndLog("                    - %02X tearing %s", tear[0], ( tear[0]==0xBD)?"Ok":"failure");
 455                 }
 456         }
 457         return len;
 458 }
 459
 460 static int ulev1_print_signature( uint8_t *data, uint8_t len){
 461         PrintAndLog("\n--- Tag Signature");
 462         //PrintAndLog("IC signature public key name  : NXP NTAG21x 2013"); // don't know if there is other NXP public keys.. :(
 463         PrintAndLog("IC signature public key value : 04494e1a386d3d3cfe3dc10e5de68a499b1c202db5b132393e89ed19fe5be8bc61");
 464         PrintAndLog("    Elliptic curve parameters : secp128r1");
 465         PrintAndLog("            Tag ECC Signature : %s", sprint_hex(data, len));
 466         //to do:  verify if signature is valid
 467         //PrintAndLog("IC signature status: %s valid", (iseccvalid() )?"":"not");
 468         return 0;
 469 }
 470
 471 static int ulev1_print_version(uint8_t *data){
 472         PrintAndLog("\n--- Tag Version");
 473         PrintAndLog("       Raw bytes : %s",sprint_hex(data, 8) );
 474         PrintAndLog("       Vendor ID : %02X, %s", data[1], getTagInfo(data[1]));
 475         PrintAndLog("    Product type : %s", getProductTypeStr(data[2]));
 476         PrintAndLog(" Product subtype : %02X, %s", data[3], (data[3]==1) ?"17 pF":"50pF");
 477         PrintAndLog("   Major version : %02X", data[4]);
 478         PrintAndLog("   Minor version : %02X", data[5]);
 479         PrintAndLog("            Size : %s", getUlev1CardSizeStr(data[6]));
 480         PrintAndLog("   Protocol type : %02X", data[7]);
 481         return 0;
 482 }
 483
 484 /*
 485 static int ulc_magic_test(){
 486         // Magic Ultralight test
 487                 // Magic UL-C, by observation,
 488         // 1) it seems to have a static nonce response to 0x1A command.
 489         // 2) the deskey bytes is not-zero:d out on as datasheet states.
 490         // 3) UID - changeable, not only, but pages 0-1-2-3.
 491         // 4) use the ul_magic_test !  magic tags answers specially!
 492         int returnValue = UL_ERROR;
 493         iso14a_card_select_t card;
 494         uint8_t nonce1[11] = {0x00};
 495         uint8_t nonce2[11] = {0x00};
 496         int status = ul_select(&card);
 497         if ( !status ){
 498                 return UL_ERROR;
 499         }
 500         status = ulc_requestAuthentication(nonce1, sizeof(nonce1));
 501         if ( status > 0 ) {
 502                 status = ulc_requestAuthentication(nonce2, sizeof(nonce2));
 503                 returnValue =  ( !memcmp(nonce1, nonce2, 11) ) ? UL_C_MAGIC : UL_C;
 504         } else {
 505                 returnValue = UL;
 506         }
 507         ul_switch_off_field();
 508         return returnValue;
 509 }
 510 */
 511 static int ul_magic_test(){
 512
 513         // Magic Ultralight tests
 514         // 1) take present UID, and try to write it back. OBSOLETE
 515         // 2) make a wrong length write to page0, and see if tag answers with ACK/NACK:
 516         iso14a_card_select_t card;
 517         if ( !ul_select(&card) )
 518                 return UL_ERROR;
 519         int status = ul_comp_write(0, NULL, 0);
 520         ul_switch_off_field();
 521         if ( status == 0 )
 522                 return MAGIC;
 523         return 0;
 524 }
 525
 526 uint32_t GetHF14AMfU_Type(void){
 527
 528         TagTypeUL_t tagtype = UNKNOWN;
 529         iso14a_card_select_t card;
 530         uint8_t version[10] = {0x00};
 531         int status = 0;
 532         int len;
 533
 534         if (!ul_select(&card)) return UL_ERROR;
 535
 536         // Ultralight - ATQA / SAK
 537         if ( card.atqa[1] != 0x00 || card.atqa[0] != 0x44 || card.sak != 0x00 ) {
 538                 PrintAndLog("Tag is not Ultralight | NTAG | MY-D  [ATQA: %02X %02X SAK: %02X]\n", card.atqa[1], card.atqa[0], card.sak);
 539                 ul_switch_off_field();
 540                 return UL_ERROR;
 541         }
 542
 543         if ( card.uid[0] != 0x05) {
 544
 545                 len  = ulev1_getVersion(version, sizeof(version));
 546                 ul_switch_off_field();
 547
 548                 switch (len) {
 549                         case 0x0A: {
 550
 551                                 if ( version[2] == 0x03 && version[6] == 0x0B )
 552                                         tagtype = UL_EV1_48;
 553                                 else if ( version[2] == 0x03 && version[6] != 0x0B )
 554                                         tagtype = UL_EV1_128;
 555                                 else if ( version[2] == 0x04 && version[3] == 0x01 && version[6] == 0x0B )
 556                                         tagtype = NTAG_210;
 557                                 else if ( version[2] == 0x04 && version[3] == 0x01 && version[6] == 0x0E )
 558                                         tagtype = NTAG_212;
 559                                 else if ( version[2] == 0x04 && version[3] == 0x02 && version[6] == 0x0F )
 560                                         tagtype = NTAG_213;
 561                                 else if ( version[2] == 0x04 && version[3] == 0x02 && version[6] == 0x11 )
 562                                         tagtype = NTAG_215;
 563                                 else if ( version[2] == 0x04 && version[3] == 0x02 && version[6] == 0x13 )
 564                                         tagtype = NTAG_216;
 565                                 else if ( version[2] == 0x04 && version[3] == 0x05 && version[6] == 0x13 )
 566                                         tagtype = NTAG_I2C_1K;
 567                                 else if ( version[2] == 0x04 && version[3] == 0x05 && version[6] == 0x15 )
 568                                         tagtype = NTAG_I2C_2K;
 569                                 else if ( version[2] == 0x04 )
 570                                         tagtype = NTAG;
 571
 572                                 break;
 573                         }
 574                         case 0x01: tagtype = UL_C; break;
 575                         case 0x00: tagtype = UL; break;
 576                         case -1  : tagtype = (UL | UL_C | NTAG_203); break;  // could be UL | UL_C magic tags
 577                         default  : tagtype = UNKNOWN; break;
 578                 }
 579                 // UL vs UL-C vs ntag203 test
 580                 if (tagtype & (UL | UL_C | NTAG_203)) {
 581                         if ( !ul_select(&card) ) return UL_ERROR;
 582
 583                         // do UL_C check first...
 584                         uint8_t nonce[11] = {0x00};
 585                         status = ulc_requestAuthentication(nonce, sizeof(nonce));
 586                         ul_switch_off_field();
 587                         if (status > 1) {
 588                                 tagtype = UL_C;
 589                         } else {
 590                                 // need to re-select after authentication error
 591                                 if ( !ul_select(&card) ) return UL_ERROR;
 592
 593                                 uint8_t data[16] = {0x00};
 594                                 // read page 0x26-0x29 (last valid ntag203 page)
 595                                 status = ul_read(0x26, data, sizeof(data));
 596                                 if ( status <= 1 ) {
 597                                         tagtype = UL;
 598                                 } else {
 599                                         // read page 0x30 (should error if it is a ntag203)
 600                                         status = ul_read(0x30, data, sizeof(data));
 601                                         if ( status <= 1 ){
 602                                                 tagtype = NTAG_203;
 603                                         } else {
 604                                                 tagtype = UNKNOWN;
 605                                         }
 606                                 }
 607                                 ul_switch_off_field();
 608                         }
 609                 }
 610         } else {
 611                 ul_switch_off_field();
 612                 // Infinition MY-D tests   Exam high nibble
 613                 uint8_t nib = (card.uid[1] & 0xf0) >> 4;
 614                 switch ( nib ){
 615                         // case 0: tagtype =  SLE66R35E7; break; //or SLE 66R35E7 - mifare compat... should have different sak/atqa for mf 1k
 616                         case 1: tagtype =  MY_D; break; //or SLE 66RxxS ... up to 512 pages of 8 user bytes...
 617                         case 2: tagtype = (MY_D_NFC); break; //or SLE 66RxxP ... up to 512 pages of 8 user bytes... (or in nfc mode FF pages of 4 bytes)
 618                         case 3: tagtype = (MY_D_MOVE | MY_D_MOVE_NFC); break; //or SLE 66R01P // 38 pages of 4 bytes //notice: we can not currently distinguish between these two
 619                         case 7: tagtype =  MY_D_MOVE_LEAN; break; //or SLE 66R01L  // 16 pages of 4 bytes
 620                 }
 621         }
 622
 623         tagtype |= ul_magic_test();
 624         if (tagtype == (UNKNOWN | MAGIC)) tagtype = (UL_MAGIC);
 625         return tagtype;
 626 }
 627
 628 int CmdHF14AMfUInfo(const char *Cmd){
 629
 630         uint8_t authlim = 0xff;
 631         uint8_t data[16] = {0x00};
 632         iso14a_card_select_t card;
 633         int status;
 634         bool errors = false;
 635         bool hasAuthKey = false;
 636         bool locked = false;
 637         bool swapEndian = false;
 638         uint8_t cmdp = 0;
 639         uint8_t dataLen = 0;
 640         uint8_t authenticationkey[16] = {0x00};
 641         uint8_t *authkeyptr = authenticationkey;
 642         uint8_t *key;
 643         uint8_t pack[4] = {0,0,0,0};
 644         int len = 0;
 645         char tempStr[50];
 646
 647         while(param_getchar(Cmd, cmdp) != 0x00)
 648         {
 649                 switch(param_getchar(Cmd, cmdp))
 650                 {
 651                 case 'h':
 652                 case 'H':
 653                         return usage_hf_mfu_info();
 654                 case 'k':
 655                 case 'K':
 656                         dataLen = param_getstr(Cmd, cmdp+1, tempStr);
 657                         if (dataLen == 32 || dataLen == 8) { //ul-c or ev1/ntag key length
 658                                 errors = param_gethex(tempStr, 0, authenticationkey, dataLen);
 659                                 dataLen /= 2; // handled as bytes from now on
 660                         } else {
 661                                 PrintAndLog("\nERROR: Key is incorrect length\n");
 662                                 errors = true;
 663                         }
 664                         cmdp += 2;
 665                         hasAuthKey = true;
 666                         break;
 667                 case 'l':
 668                 case 'L':
 669                         swapEndian = true;
 670                         cmdp++;
 671                         break;
 672                 default:
 673                         PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 674                         errors = true;
 675                         break;
 676                 }
 677                 if(errors) break;
 678         }
 679
 680         //Validations
 681         if(errors) return usage_hf_mfu_info();
 682
 683         TagTypeUL_t tagtype = GetHF14AMfU_Type();
 684         if (tagtype == UL_ERROR) return -1;
 685
 686         PrintAndLog("\n--- Tag Information ---------");
 687         PrintAndLog("-------------------------------------------------------------");
 688         ul_print_type(tagtype, 6);
 689
 690         // Swap endianness
 691         if (swapEndian && hasAuthKey) authkeyptr = SwapEndian64(authenticationkey, dataLen, (dataLen == 16) ? 8 : 4 );
 692
 693         if (!ul_auth_select( &card, tagtype, hasAuthKey, authkeyptr, pack, sizeof(pack))) return -1;
 694
 695         // read pages 0,1,2,3 (should read 4pages)
 696         status = ul_read(0, data, sizeof(data));
 697         if ( status == -1 ) {
 698                 ul_switch_off_field();
 699                 PrintAndLog("Error: tag didn't answer to READ");
 700                 return status;
 701         } else if (status == 16) {
 702                 ul_print_default(data);
 703                 ndef_print_CC(data+12);
 704         } else {
 705                 locked = true;
 706         }
 707
 708         // UL_C Specific
 709         if ((tagtype & UL_C)) {
 710
 711                 // read pages 0x28, 0x29, 0x2A, 0x2B
 712                 uint8_t ulc_conf[16] = {0x00};
 713                 status = ul_read(0x28, ulc_conf, sizeof(ulc_conf));
 714                 if ( status == -1 ){
 715                         PrintAndLog("Error: tag didn't answer to READ UL-C");
 716                         ul_switch_off_field();
 717                         return status;
 718                 }
 719                 if (status == 16) ulc_print_configuration(ulc_conf);
 720                 else locked = true;
 721
 722                 if ((tagtype & MAGIC)) {
 723                         //just read key
 724                         uint8_t ulc_deskey[16] = {0x00};
 725                         status = ul_read(0x2C, ulc_deskey, sizeof(ulc_deskey));
 726                         if ( status == -1 ) {
 727                                 ul_switch_off_field();
 728                                 PrintAndLog("Error: tag didn't answer to READ magic");
 729                                 return status;
 730                         }
 731                         if (status == 16) ulc_print_3deskey(ulc_deskey);
 732
 733                 } else {
 734                         ul_switch_off_field();
 735                         // if we called info with key, just return
 736                         if ( hasAuthKey ) return 1;
 737
 738                         // also try to diversify default keys..  look into CmdHF14AMfuGenDiverseKeys
 739                         PrintAndLog("Trying some default 3des keys");
 740                         for (uint8_t i = 0; i < KEYS_3DES_COUNT; ++i ) {
 741                                 key = default_3des_keys[i];
 742                                 if (ulc_authentication(key, true)) {
 743                                         PrintAndLog("Found default 3des key: ");
 744                                         uint8_t keySwap[16];
 745                                         memcpy(keySwap, SwapEndian64(key,16,8), 16);
 746                                         ulc_print_3deskey(keySwap);
 747                                         return 1;
 748                                 }
 749                         }
 750                         return 1;
 751                 }
 752         }
 753
 754         // do counters and signature first (don't neet auth)
 755
 756         // ul counters are different than ntag counters
 757         if ((tagtype & (UL_EV1_48 | UL_EV1_128))) {
 758                 if (ulev1_print_counters() != 3) {
 759                         // failed - re-select
 760                         if (!ul_auth_select( &card, tagtype, hasAuthKey, authkeyptr, pack, sizeof(pack))) return -1;
 761                 }
 762         }
 763
 764         if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_213 | NTAG_215 | NTAG_216 | NTAG_I2C_1K | NTAG_I2C_2K     ))) {
 765                 uint8_t ulev1_signature[32] = {0x00};
 766                 status = ulev1_readSignature( ulev1_signature, sizeof(ulev1_signature));
 767                 if ( status == -1 ) {
 768                         PrintAndLog("Error: tag didn't answer to READ SIGNATURE");
 769                         ul_switch_off_field();
 770                         return status;
 771                 }
 772                 if (status == 32) ulev1_print_signature( ulev1_signature, sizeof(ulev1_signature));
 773                 else {
 774                         // re-select
 775                         if (!ul_auth_select( &card, tagtype, hasAuthKey, authkeyptr, pack, sizeof(pack))) return -1;
 776                 }
 777         }
 778
 779         if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_210 | NTAG_212 | NTAG_213 | NTAG_215 | NTAG_216 | NTAG_I2C_1K | NTAG_I2C_2K))) {
 780                 uint8_t version[10] = {0x00};
 781                 status  = ulev1_getVersion(version, sizeof(version));
 782                 if ( status == -1 ) {
 783                         PrintAndLog("Error: tag didn't answer to GETVERSION");
 784                         ul_switch_off_field();
 785                         return status;
 786                 } else if (status == 10) {
 787                         ulev1_print_version(version);
 788                 } else {
 789                         locked = true;
 790                         if (!ul_auth_select( &card, tagtype, hasAuthKey, authkeyptr, pack, sizeof(pack))) return -1;
 791                 }
 792
 793                 uint8_t startconfigblock = 0;
 794                 uint8_t ulev1_conf[16] = {0x00};
 795                 // config blocks always are last 4 pages
 796                 for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++)
 797                         if (tagtype & UL_TYPES_ARRAY[idx])
 798                                 startconfigblock = UL_MEMORY_ARRAY[idx]-3;
 799
 800                 if (startconfigblock){ // if we know where the config block is...
 801                         status = ul_read(startconfigblock, ulev1_conf, sizeof(ulev1_conf));
 802                         if ( status == -1 ) {
 803                                 PrintAndLog("Error: tag didn't answer to READ EV1");
 804                                 ul_switch_off_field();
 805                                 return status;
 806                         } else if (status == 16) {
 807                                 // save AUTHENTICATION LIMITS for later:
 808                                 authlim = (ulev1_conf[4] & 0x07);
 809                                 ulev1_print_configuration(ulev1_conf, startconfigblock);
 810                         }
 811                 }
 812
 813                 // AUTHLIMIT, (number of failed authentications)
 814                 // 0 = limitless.
 815                 // 1-7 = limit. No automatic tries then.
 816                 // hasAuthKey,  if we was called with key, skip test.
 817                 if ( !authlim && !hasAuthKey ) {
 818                         PrintAndLog("\n--- Known EV1/NTAG passwords.");
 819                         len = 0;
 820                         for (uint8_t i = 0; i < KEYS_PWD_COUNT; ++i ) {
 821                                 key = default_pwd_pack[i];
 822                                 len = ulev1_requestAuthentication(key, pack, sizeof(pack));
 823                                 if (len >= 1) {
 824                                         PrintAndLog("Found a default password: %s || Pack: %02X %02X",sprint_hex(key, 4), pack[0], pack[1]);
 825                                         break;
 826                                 } else {
 827                                         if (!ul_auth_select( &card, tagtype, hasAuthKey, authkeyptr, pack, sizeof(pack))) return -1;
 828                                 }
 829                         }
 830                         if (len < 1) PrintAndLog("password not known");
 831                 }
 832         }
 833
 834         ul_switch_off_field();
 835         if (locked) PrintAndLog("\nTag appears to be locked, try using the key to get more info");
 836         PrintAndLog("");
 837         return 1;
 838 }
 839
 840 //
 841 //  Write Single Block
 842 //
 843 int CmdHF14AMfUWrBl(const char *Cmd){
 844
 845         int blockNo = -1;
 846         bool errors = false;
 847         bool hasAuthKey = false;
 848         bool hasPwdKey = false;
 849         bool swapEndian = false;
 850
 851         uint8_t cmdp = 0;
 852         uint8_t keylen = 0;
 853         uint8_t blockdata[20] = {0x00};
 854         uint8_t data[16] = {0x00};
 855         uint8_t authenticationkey[16] = {0x00};
 856         uint8_t *authKeyPtr = authenticationkey;
 857
 858         // starting with getting tagtype
 859         TagTypeUL_t tagtype = GetHF14AMfU_Type();
 860         if (tagtype == UL_ERROR) return -1;
 861
 862         while(param_getchar(Cmd, cmdp) != 0x00)
 863         {
 864                 switch(param_getchar(Cmd, cmdp))
 865                 {
 866                         case 'h':
 867                         case 'H':
 868                                 return usage_hf_mfu_wrbl();
 869                         case 'k':
 870                         case 'K':
 871                                 // EV1/NTAG size key
 872                                 keylen = param_gethex(Cmd, cmdp+1, data, 8);
 873                                 if ( !keylen ) {
 874                                         memcpy(authenticationkey, data, 4);
 875                                         cmdp += 2;
 876                                         hasPwdKey = true;
 877                                         break;
 878                                 }
 879                                 // UL-C size key
 880                                 keylen = param_gethex(Cmd, cmdp+1, data, 32);
 881                                 if (!keylen){
 882                                         memcpy(authenticationkey, data, 16);
 883                                         cmdp += 2;
 884                                         hasAuthKey = true;
 885                                         break;
 886                                 }
 887                                 PrintAndLog("\nERROR: Key is incorrect length\n");
 888                                 errors = true;
 889                                 break;
 890                         case 'b':
 891                         case 'B':
 892                                 blockNo = param_get8(Cmd, cmdp+1);
 893
 894                                 uint8_t maxblockno = 0;
 895                                 for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++){
 896                                         if (tagtype & UL_TYPES_ARRAY[idx])
 897                                                 maxblockno = UL_MEMORY_ARRAY[idx];
 898                                 }
 899
 900                                 if (blockNo < 0) {
 901                                         PrintAndLog("Wrong block number");
 902                                         errors = true;
 903                                 }
 904                                 if (blockNo > maxblockno){
 905                                         PrintAndLog("block number too large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
 906                                         errors = true;
 907                                 }
 908                                 cmdp += 2;
 909                                 break;
 910                         case 'l':
 911                         case 'L':
 912                                 swapEndian = true;
 913                                 cmdp++;
 914                                 break;
 915                         case 'd':
 916                         case 'D':
 917                                 if ( param_gethex(Cmd, cmdp+1, blockdata, 8) ) {
 918                                         PrintAndLog("Block data must include 8 HEX symbols");
 919                                         errors = true;
 920                                         break;
 921                                 }
 922                                 cmdp += 2;
 923                                 break;
 924                         default:
 925                                 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
 926                                 errors = true;
 927                                 break;
 928                 }
 929                 //Validations
 930                 if(errors) return usage_hf_mfu_wrbl();
 931         }
 932
 933         if ( blockNo == -1 ) return usage_hf_mfu_wrbl();
 934
 935         // Swap endianness
 936         if (swapEndian && hasAuthKey) authKeyPtr = SwapEndian64(authenticationkey, 16, 8);
 937         if (swapEndian && hasPwdKey)  authKeyPtr = SwapEndian64(authenticationkey, 4, 4);
 938
 939         if ( blockNo <= 3)
 940                 PrintAndLog("Special Block: %0d (0x%02X) [ %s]", blockNo, blockNo, sprint_hex(blockdata, 4));
 941         else
 942                 PrintAndLog("Block: %0d (0x%02X) [ %s]", blockNo, blockNo, sprint_hex(blockdata, 4));
 943
 944         //Send write Block
 945         UsbCommand c = {CMD_MIFAREU_WRITEBL, {blockNo}};
 946         memcpy(c.d.asBytes,blockdata,4);
 947
 948         if ( hasAuthKey ){
 949                 c.arg[1] = 1;
 950                 memcpy(c.d.asBytes+4,authKeyPtr,16);
 951         }
 952         else if ( hasPwdKey ) {
 953                 c.arg[1] = 2;
 954                 memcpy(c.d.asBytes+4,authKeyPtr,4);
 955         }
 956
 957         clearCommandBuffer();
 958         SendCommand(&c);
 959         UsbCommand resp;
 960         if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
 961                 uint8_t isOK  = resp.arg[0] & 0xff;
 962                 PrintAndLog("isOk:%02x", isOK);
 963         } else {
 964                 PrintAndLog("Command execute timeout");
 965         }
 966
 967         return 0;
 968 }
 969 //
 970 //  Read Single Block
 971 //
 972 int CmdHF14AMfURdBl(const char *Cmd){
 973
 974         int blockNo = -1;
 975         bool errors = false;
 976         bool hasAuthKey = false;
 977         bool hasPwdKey = false;
 978         bool swapEndian = false;
 979         uint8_t cmdp = 0;
 980         uint8_t keylen = 0;
 981         uint8_t data[16] = {0x00};
 982         uint8_t authenticationkey[16] = {0x00};
 983         uint8_t *authKeyPtr = authenticationkey;
 984
 985         // starting with getting tagtype
 986         TagTypeUL_t tagtype = GetHF14AMfU_Type();
 987         if (tagtype == UL_ERROR) return -1;
 988
 989         while(param_getchar(Cmd, cmdp) != 0x00)
 990         {
 991                 switch(param_getchar(Cmd, cmdp))
 992                 {
 993                         case 'h':
 994                         case 'H':
 995                                 return usage_hf_mfu_rdbl();
 996                         case 'k':
 997                         case 'K':
 998                                 // EV1/NTAG size key
 999                                 keylen = param_gethex(Cmd, cmdp+1, data, 8);
1000                                 if ( !keylen ) {
1001                                         memcpy(authenticationkey, data, 4);
1002                                         cmdp += 2;
1003                                         hasPwdKey = true;
1004                                         break;
1005                                 }
1006                                 // UL-C size key
1007                                 keylen = param_gethex(Cmd, cmdp+1, data, 32);
1008                                 if (!keylen){
1009                                         memcpy(authenticationkey, data, 16);
1010                                         cmdp += 2;
1011                                         hasAuthKey = true;
1012                                         break;
1013                                 }
1014                                 PrintAndLog("\nERROR: Key is incorrect length\n");
1015                                 errors = true;
1016                                 break;
1017                         case 'b':
1018                         case 'B':
1019                                 blockNo = param_get8(Cmd, cmdp+1);
1020
1021                                 uint8_t maxblockno = 0;
1022                                 for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++){
1023                                         if (tagtype & UL_TYPES_ARRAY[idx])
1024                                                 maxblockno = UL_MEMORY_ARRAY[idx];
1025                                 }
1026
1027                                 if (blockNo < 0) {
1028                                         PrintAndLog("Wrong block number");
1029                                         errors = true;
1030                                 }
1031                                 if (blockNo > maxblockno){
1032                                         PrintAndLog("block number to large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
1033                                         errors = true;
1034                                 }
1035                                 cmdp += 2;
1036                                 break;
1037                         case 'l':
1038                         case 'L':
1039                                 swapEndian = true;
1040                                 cmdp++;
1041                                 break;
1042                         default:
1043                                 PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
1044                                 errors = true;
1045                                 break;
1046                 }
1047                 //Validations
1048                 if(errors) return usage_hf_mfu_rdbl();
1049         }
1050
1051         if ( blockNo == -1 ) return usage_hf_mfu_rdbl();
1052
1053         // Swap endianness
1054         if (swapEndian && hasAuthKey) authKeyPtr = SwapEndian64(authenticationkey, 16, 8);
1055         if (swapEndian && hasPwdKey)  authKeyPtr = SwapEndian64(authenticationkey, 4, 4);
1056
1057         //Read Block
1058         UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
1059         if ( hasAuthKey ){
1060                 c.arg[1] = 1;
1061                 memcpy(c.d.asBytes,authKeyPtr,16);
1062         }
1063         else if ( hasPwdKey ) {
1064                 c.arg[1] = 2;
1065                 memcpy(c.d.asBytes,authKeyPtr,4);
1066         }
1067
1068         clearCommandBuffer();
1069         SendCommand(&c);
1070         UsbCommand resp;
1071         if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1072                 uint8_t isOK = resp.arg[0] & 0xff;
1073                 if (isOK) {
1074                         uint8_t *data = resp.d.asBytes;
1075                         PrintAndLog("\nBlock#  | Data        | Ascii");
1076                         PrintAndLog("-----------------------------");
1077                         PrintAndLog("%02d/0x%02X | %s| %.4s\n", blockNo, blockNo, sprint_hex(data, 4), data);
1078                 }
1079                 else {
1080                         PrintAndLog("Failed reading block: (%02x)", isOK);
1081                 }
1082         } else {
1083                 PrintAndLog("Command execute time-out");
1084         }
1085         return 0;
1086 }
1087
1088 int usage_hf_mfu_info(void) {
1089         PrintAndLog("It gathers information about the tag and tries to detect what kind it is.");
1090         PrintAndLog("Sometimes the tags are locked down, and you may need a key to be able to read the information");
1091         PrintAndLog("The following tags can be identified:\n");
1092         PrintAndLog("Ultralight, Ultralight-C, Ultralight EV1, NTAG 203, NTAG 210,");
1093         PrintAndLog("NTAG 212, NTAG 213, NTAG 215, NTAG 216, NTAG I2C 1K & 2K");
1094         PrintAndLog("my-d, my-d NFC, my-d move, my-d move NFC\n");
1095         PrintAndLog("Usage:  hf mfu info k <key> l");
1096         PrintAndLog("  Options : ");
1097         PrintAndLog("  k <key> : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
1098         PrintAndLog("  l       : (optional) swap entered key's endianness");
1099         PrintAndLog("");
1100         PrintAndLog("   sample : hf mfu info");
1101         PrintAndLog("          : hf mfu info k 00112233445566778899AABBCCDDEEFF");
1102         PrintAndLog("          : hf mfu info k AABBCCDDD");
1103         return 0;
1104 }
1105
1106 int usage_hf_mfu_dump(void) {
1107         PrintAndLog("Reads all pages from Ultralight, Ultralight-C, Ultralight EV1");
1108         PrintAndLog("NTAG 203, NTAG 210, NTAG 212, NTAG 213, NTAG 215, NTAG 216");
1109         PrintAndLog("and saves binary dump into the file `filename.bin` or `cardUID.bin`");
1110         PrintAndLog("It autodetects card type.\n");
1111         PrintAndLog("Usage:  hf mfu dump k <key> l n <filename w/o .bin>");
1112         PrintAndLog("  Options : ");
1113         PrintAndLog("  k <key> : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
1114         PrintAndLog("  l       : (optional) swap entered key's endianness");
1115         PrintAndLog("  n <FN > : filename w/o .bin to save the dump as");
1116         PrintAndLog("  p <Pg > : starting Page number to manually set a page to start the dump at");
1117         PrintAndLog("  q <qty> : number of Pages to manually set how many pages to dump");
1118
1119         PrintAndLog("");
1120         PrintAndLog("   sample : hf mfu dump");
1121         PrintAndLog("          : hf mfu dump n myfile");
1122         PrintAndLog("          : hf mfu dump k 00112233445566778899AABBCCDDEEFF");
1123         PrintAndLog("          : hf mfu dump k AABBCCDDD\n");
1124         return 0;
1125 }
1126
1127 int usage_hf_mfu_rdbl(void) {
1128         PrintAndLog("Read a block and print. It autodetects card type.\n");
1129         PrintAndLog("Usage:  hf mfu rdbl b <block number> k <key> l\n");
1130         PrintAndLog("  Options:");
1131         PrintAndLog("  b <no>  : block to read");
1132         PrintAndLog("  k <key> : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
1133         PrintAndLog("  l       : (optional) swap entered key's endianness");
1134         PrintAndLog("");
1135         PrintAndLog("   sample : hf mfu rdbl b 0");
1136         PrintAndLog("          : hf mfu rdbl b 0 k 00112233445566778899AABBCCDDEEFF");
1137         PrintAndLog("          : hf mfu rdbl b 0 k AABBCCDDD\n");
1138         return 0;
1139 }
1140
1141 int usage_hf_mfu_wrbl(void) {
1142         PrintAndLog("Write a block. It autodetects card type.\n");
1143         PrintAndLog("Usage:  hf mfu wrbl b <block number> d <data> k <key> l\n");
1144         PrintAndLog("  Options:");
1145         PrintAndLog("  b <no>   : block to write");
1146         PrintAndLog("  d <data> : block data - (8 hex symbols)");
1147         PrintAndLog("  k <key>  : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
1148         PrintAndLog("  l        : (optional) swap entered key's endianness");
1149         PrintAndLog("");
1150         PrintAndLog("    sample : hf mfu wrbl b 0 d 01234567");
1151         PrintAndLog("           : hf mfu wrbl b 0 d 01234567 k AABBCCDDD\n");
1152         return 0;
1153 }
1154
1155 //
1156 //  Mifare Ultralight / Ultralight-C / Ultralight-EV1
1157 //  Read and Dump Card Contents,  using auto detection of tag size.
1158 int CmdHF14AMfUDump(const char *Cmd){
1159
1160         FILE *fout;
1161         char filename[FILE_PATH_SIZE] = {0x00};
1162         char *fnameptr = filename;
1163         uint8_t *lockbytes_t = NULL;
1164         uint8_t lockbytes[2] = {0x00};
1165         uint8_t *lockbytes_t2 = NULL;
1166         uint8_t lockbytes2[2] = {0x00};
1167         bool bit[16]  = {0x00};
1168         bool bit2[16] = {0x00};
1169         uint8_t data[1024] = {0x00};
1170         bool hasAuthKey = false;
1171         int i = 0;
1172         int Pages = 16;
1173         bool tmplockbit = false;
1174         uint8_t dataLen = 0;
1175         uint8_t cmdp = 0;
1176         uint8_t authenticationkey[16] = {0x00};
1177         uint8_t *authKeyPtr = authenticationkey;
1178         size_t fileNlen = 0;
1179         bool errors = false;
1180         bool swapEndian = false;
1181         bool manualPages = false;
1182         uint8_t startPage = 0;
1183         char tempStr[50];
1184
1185         while(param_getchar(Cmd, cmdp) != 0x00)
1186         {
1187                 switch(param_getchar(Cmd, cmdp))
1188                 {
1189                 case 'h':
1190                 case 'H':
1191                         return usage_hf_mfu_dump();
1192                 case 'k':
1193                 case 'K':
1194                         dataLen = param_getstr(Cmd, cmdp+1, tempStr);
1195                         if (dataLen == 32 || dataLen == 8) { //ul-c or ev1/ntag key length
1196                                 errors = param_gethex(tempStr, 0, authenticationkey, dataLen);
1197                                 dataLen /= 2;
1198                         } else {
1199                                 PrintAndLog("\nERROR: Key is incorrect length\n");
1200                                 errors = true;
1201                         }
1202                         cmdp += 2;
1203                         hasAuthKey = true;
1204                         break;
1205                 case 'l':
1206                 case 'L':
1207                         swapEndian = true;
1208                         cmdp++;
1209                         break;
1210                 case 'n':
1211                 case 'N':
1212                         fileNlen = param_getstr(Cmd, cmdp+1, filename);
1213                         if (!fileNlen) errors = true;
1214                         if (fileNlen > FILE_PATH_SIZE-5) fileNlen = FILE_PATH_SIZE-5;
1215                         cmdp += 2;
1216                         break;
1217                 case 'p':
1218                 case 'P':
1219                         startPage = param_get8(Cmd, cmdp+1);
1220                         manualPages = true;
1221                         cmdp += 2;
1222                         break;
1223                 case 'q':
1224                 case 'Q':
1225                         Pages = param_get8(Cmd, cmdp+1);
1226                         cmdp += 2;
1227                         manualPages = true;
1228                         break;
1229                 default:
1230                         PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
1231                         errors = true;
1232                         break;
1233                 }
1234                 if(errors) break;
1235         }
1236
1237         //Validations
1238         if(errors) return usage_hf_mfu_dump();
1239
1240         if (swapEndian && hasAuthKey)
1241                 authKeyPtr = SwapEndian64(authenticationkey, dataLen, (dataLen == 16) ? 8 : 4);
1242
1243         TagTypeUL_t tagtype = GetHF14AMfU_Type();
1244         if (tagtype == UL_ERROR) return -1;
1245
1246         if (!manualPages) //get number of pages to read
1247                 for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++)
1248                         if (tagtype & UL_TYPES_ARRAY[idx])
1249                                 Pages = UL_MEMORY_ARRAY[idx]+1; //add one as maxblks starts at 0
1250
1251         ul_print_type(tagtype, 0);
1252         PrintAndLog("Reading tag memory...");
1253         UsbCommand c = {CMD_MIFAREU_READCARD, {startPage,Pages}};
1254         if ( hasAuthKey ) {
1255                 if (tagtype & UL_C)
1256                         c.arg[2] = 1; //UL_C auth
1257                 else
1258                         c.arg[2] = 2; //UL_EV1/NTAG auth
1259
1260                 memcpy(c.d.asBytes, authKeyPtr, dataLen);
1261         }
1262
1263         clearCommandBuffer();
1264         SendCommand(&c);
1265         UsbCommand resp;
1266         if (!WaitForResponseTimeout(CMD_ACK, &resp,1500)) {
1267                 PrintAndLog("Command execute time-out");
1268                 return 1;
1269         }
1270         if (resp.arg[0] != 1) {
1271                 PrintAndLog("Failed reading block: (%02x)", i);
1272                 return 1;
1273         }
1274
1275         uint32_t startindex = resp.arg[2];
1276         uint32_t bufferSize = resp.arg[1];
1277         if (bufferSize > sizeof(data)) {
1278                 PrintAndLog("Data exceeded Buffer size!");
1279                 bufferSize = sizeof(data);
1280         }
1281         GetFromBigBuf(data, bufferSize, startindex);
1282         WaitForResponse(CMD_ACK,NULL);
1283
1284         Pages = bufferSize/4;
1285         // Load lock bytes.
1286         int j = 0;
1287
1288         lockbytes_t = data + 8;
1289         lockbytes[0] = lockbytes_t[2];
1290         lockbytes[1] = lockbytes_t[3];
1291         for(j = 0; j < 16; j++){
1292                 bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
1293         }
1294
1295         // Load bottom lockbytes if available
1296         // TODO -- FIGURE OUT LOCK BYTES FOR TO EV1 and/or NTAG
1297         if ( Pages == 44 ) {
1298                 lockbytes_t2 = data + (40*4);
1299                 lockbytes2[0] = lockbytes_t2[2];
1300                 lockbytes2[1] = lockbytes_t2[3];
1301                 for (j = 0; j < 16; j++) {
1302                         bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
1303                 }
1304         }
1305
1306         // add keys to block dump
1307         if (hasAuthKey) {
1308                 if (!swapEndian){
1309                         authKeyPtr = SwapEndian64(authenticationkey, dataLen, (dataLen == 16) ? 8 : 4);
1310                 } else {
1311                         authKeyPtr = authenticationkey;
1312                 }
1313
1314                 if (tagtype & UL_C){ //add 4 pages
1315                         memcpy(data + Pages*4, authKeyPtr, dataLen);
1316                         Pages += dataLen/4;
1317                 } else { // 2nd page from end
1318                         memcpy(data + (Pages*4) - 8, authenticationkey, dataLen);
1319                 }
1320         }
1321
1322         PrintAndLog("\nBlock#  | Data        |lck| Ascii");
1323         PrintAndLog("---------------------------------");
1324         for (i = 0; i < Pages; ++i) {
1325                 if ( i < 3 ) {
1326                         PrintAndLog("%02d/0x%02X | %s|   | ", i+startPage, i+startPage, sprint_hex(data + i * 4, 4));
1327                         continue;
1328                 }
1329                 switch(i){
1330                         case 3: tmplockbit = bit[4]; break;
1331                         case 4: tmplockbit = bit[3]; break;
1332                         case 5: tmplockbit = bit[2]; break;
1333                         case 6: tmplockbit = bit[1]; break;
1334                         case 7: tmplockbit = bit[0]; break;
1335                         case 8: tmplockbit = bit[15]; break;
1336                         case 9: tmplockbit = bit[14]; break;
1337                         case 10: tmplockbit = bit[13]; break;
1338                         case 11: tmplockbit = bit[12]; break;
1339                         case 12: tmplockbit = bit[11]; break;
1340                         case 13: tmplockbit = bit[10]; break;
1341                         case 14: tmplockbit = bit[9]; break;
1342                         case 15: tmplockbit = bit[8]; break;
1343                         case 16:
1344                         case 17:
1345                         case 18:
1346                         case 19: tmplockbit = bit2[6]; break;
1347                         case 20:
1348                         case 21:
1349                         case 22:
1350                         case 23: tmplockbit = bit2[5]; break;
1351                         case 24:
1352                         case 25:
1353                         case 26:
1354                         case 27: tmplockbit = bit2[4]; break;
1355                         case 28:
1356                         case 29:
1357                         case 30:
1358                         case 31: tmplockbit = bit2[2]; break;
1359                         case 32:
1360                         case 33:
1361                         case 34:
1362                         case 35: tmplockbit = bit2[1]; break;
1363                         case 36:
1364                         case 37:
1365                         case 38:
1366                         case 39: tmplockbit = bit2[0]; break;
1367                         case 40: tmplockbit = bit2[12]; break;
1368                         case 41: tmplockbit = bit2[11]; break;
1369                         case 42: tmplockbit = bit2[10]; break; //auth0
1370                         case 43: tmplockbit = bit2[9]; break;  //auth1
1371                         default: break;
1372                 }
1373                 PrintAndLog("%02d/0x%02X | %s| %d | %.4s", i+startPage, i+startPage, sprint_hex(data + i * 4, 4), tmplockbit, data+i*4);
1374         }
1375         PrintAndLog("---------------------------------");
1376
1377         // user supplied filename?
1378         if (fileNlen < 1) {
1379                 // UID = data 0-1-2 4-5-6-7  (skips a beat)
1380                 sprintf(fnameptr,"%02X%02X%02X%02X%02X%02X%02X.bin",
1381                         data[0],data[1], data[2], data[4],data[5],data[6], data[7]);
1382         } else {
1383                 sprintf(fnameptr + fileNlen,".bin");
1384         }
1385
1386         if ((fout = fopen(filename,"wb")) == NULL) {
1387                 PrintAndLog("Could not create file name %s", filename);
1388                 return 1;
1389         }
1390         fwrite( data, 1, Pages*4, fout );
1391         fclose(fout);
1392
1393         PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
1394         return 0;
1395 }
1396
1397 //-------------------------------------------------------------------------------
1398 // Ultralight C Methods
1399 //-------------------------------------------------------------------------------
1400
1401 //
1402 // Ultralight C Authentication Demo {currently uses hard-coded key}
1403 //
1404 int CmdHF14AMfucAuth(const char *Cmd){
1405
1406         uint8_t keyNo = 3;
1407         bool errors = false;
1408
1409         char cmdp = param_getchar(Cmd, 0);
1410
1411         //Change key to user defined one
1412         if (cmdp == 'k' || cmdp == 'K'){
1413                 keyNo = param_get8(Cmd, 1);
1414                 if(keyNo > KEYS_3DES_COUNT)
1415                         errors = true;
1416         }
1417
1418         if (cmdp == 'h' || cmdp == 'H')
1419                 errors = true;
1420
1421         if (errors) {
1422                 PrintAndLog("Usage:  hf mfu cauth k <key number>");
1423                 PrintAndLog("      0 (default): 3DES standard key");
1424                 PrintAndLog("      1 : all 0x00 key");
1425                 PrintAndLog("      2 : 0x00-0x0F key");
1426                 PrintAndLog("      3 : nfc key");
1427                 PrintAndLog("      4 : all 0x01 key");
1428                 PrintAndLog("      5 : all 0xff key");
1429                 PrintAndLog("      6 : 0x00-0xFF key");
1430                 PrintAndLog("\n      sample : hf mfu cauth k");
1431                 PrintAndLog("               : hf mfu cauth k 3");
1432                 return 0;
1433         }
1434
1435         uint8_t *key = default_3des_keys[keyNo];
1436         if (ulc_authentication(key, true))
1437                 PrintAndLog("Authentication successful. 3des key: %s",sprint_hex(key, 16));
1438         else
1439                 PrintAndLog("Authentication failed");
1440
1441         return 0;
1442 }
1443
1444 /**
1445 A test function to validate that the polarssl-function works the same
1446 was as the openssl-implementation.
1447 Commented out, since it requires openssl
1448
1449 int CmdTestDES(const char * cmd)
1450 {
1451         uint8_t key[16] = {0x00};
1452
1453         memcpy(key,key3_3des_data,16);
1454         DES_cblock RndA, RndB;
1455
1456         PrintAndLog("----------OpenSSL DES implementation----------");
1457         {
1458                 uint8_t e_RndB[8] = {0x00};
1459                 unsigned char RndARndB[16] = {0x00};
1460
1461                 DES_cblock iv = { 0 };
1462                 DES_key_schedule ks1,ks2;
1463                 DES_cblock key1,key2;
1464
1465                 memcpy(key,key3_3des_data,16);
1466                 memcpy(key1,key,8);
1467                 memcpy(key2,key+8,8);
1468
1469
1470                 DES_set_key((DES_cblock *)key1,&ks1);
1471                 DES_set_key((DES_cblock *)key2,&ks2);
1472
1473                 DES_random_key(&RndA);
1474                 PrintAndLog("     RndA:%s",sprint_hex(RndA, 8));
1475                 PrintAndLog("     e_RndB:%s",sprint_hex(e_RndB, 8));
1476                 //void DES_ede2_cbc_encrypt(const unsigned char *input,
1477                 //    unsigned char *output, long length, DES_key_schedule *ks1,
1478                 //    DES_key_schedule *ks2, DES_cblock *ivec, int enc);
1479                 DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
1480
1481                 PrintAndLog("     RndB:%s",sprint_hex(RndB, 8));
1482                 rol(RndB,8);
1483                 memcpy(RndARndB,RndA,8);
1484                 memcpy(RndARndB+8,RndB,8);
1485                 PrintAndLog("     RA+B:%s",sprint_hex(RndARndB, 16));
1486                 DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
1487                 PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
1488
1489         }
1490         PrintAndLog("----------PolarSSL implementation----------");
1491         {
1492                 uint8_t random_a[8]     = { 0 };
1493                 uint8_t enc_random_a[8] = { 0 };
1494                 uint8_t random_b[8]     = { 0 };
1495                 uint8_t enc_random_b[8] = { 0 };
1496                 uint8_t random_a_and_b[16] = { 0 };
1497                 des3_context ctx        = { 0 };
1498
1499                 memcpy(random_a, RndA,8);
1500
1501                 uint8_t output[8]       = { 0 };
1502                 uint8_t iv[8]           = { 0 };
1503
1504                 PrintAndLog("     RndA  :%s",sprint_hex(random_a, 8));
1505                 PrintAndLog("     e_RndB:%s",sprint_hex(enc_random_b, 8));
1506
1507                 des3_set2key_dec(&ctx, key);
1508
1509                 des3_crypt_cbc(&ctx      // des3_context *ctx
1510                         , DES_DECRYPT        // int mode
1511                         , sizeof(random_b)   // size_t length
1512                         , iv                 // unsigned char iv[8]
1513                         , enc_random_b       // const unsigned char *input
1514                         , random_b           // unsigned char *output
1515                         );
1516
1517                 PrintAndLog("     RndB:%s",sprint_hex(random_b, 8));
1518
1519                 rol(random_b,8);
1520                 memcpy(random_a_and_b  ,random_a,8);
1521                 memcpy(random_a_and_b+8,random_b,8);
1522
1523                 PrintAndLog("     RA+B:%s",sprint_hex(random_a_and_b, 16));
1524
1525                 des3_set2key_enc(&ctx, key);
1526
1527                 des3_crypt_cbc(&ctx          // des3_context *ctx
1528                         , DES_ENCRYPT            // int mode
1529                         , sizeof(random_a_and_b)   // size_t length
1530                         , enc_random_b           // unsigned char iv[8]
1531                         , random_a_and_b         // const unsigned char *input
1532                         , random_a_and_b         // unsigned char *output
1533                         );
1534
1535                 PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
1536         }
1537         return 0;
1538 }
1539 **/
1540
1541 //
1542 // Mifare Ultralight C - Set password
1543 //
1544 int CmdHF14AMfucSetPwd(const char *Cmd){
1545
1546         uint8_t pwd[16] = {0x00};
1547
1548         char cmdp = param_getchar(Cmd, 0);
1549
1550         if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') {
1551                 PrintAndLog("Usage:  hf mfu setpwd <password (32 hex symbols)>");
1552                 PrintAndLog("       [password] - (32 hex symbols)");
1553                 PrintAndLog("");
1554                 PrintAndLog("sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
1555                 PrintAndLog("");
1556                 return 0;
1557         }
1558
1559         if (param_gethex(Cmd, 0, pwd, 32)) {
1560                 PrintAndLog("Password must include 32 HEX symbols");
1561                 return 1;
1562         }
1563
1564         UsbCommand c = {CMD_MIFAREUC_SETPWD};
1565         memcpy( c.d.asBytes, pwd, 16);
1566         clearCommandBuffer();
1567         SendCommand(&c);
1568
1569         UsbCommand resp;
1570
1571         if (WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1572                 if ( (resp.arg[0] & 0xff) == 1)
1573                         PrintAndLog("Ultralight-C new password: %s", sprint_hex(pwd,16));
1574                 else{
1575                         PrintAndLog("Failed writing at block %d", resp.arg[1] & 0xff);
1576                         return 1;
1577                 }
1578         }
1579         else {
1580                 PrintAndLog("command execution time out");
1581                 return 1;
1582         }
1583
1584         return 0;
1585 }
1586
1587 //
1588 // Magic UL / UL-C tags  - Set UID
1589 //
1590 int CmdHF14AMfucSetUid(const char *Cmd){
1591
1592         UsbCommand c;
1593         UsbCommand resp;
1594         uint8_t uid[7] = {0x00};
1595         char cmdp = param_getchar(Cmd, 0);
1596
1597         if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') {
1598                 PrintAndLog("Usage:  hf mfu setuid <uid (14 hex symbols)>");
1599                 PrintAndLog("       [uid] - (14 hex symbols)");
1600                 PrintAndLog("\nThis only works for Magic Ultralight tags.");
1601                 PrintAndLog("");
1602                 PrintAndLog("sample: hf mfu setuid 11223344556677");
1603                 PrintAndLog("");
1604                 return 0;
1605         }
1606
1607         if (param_gethex(Cmd, 0, uid, 14)) {
1608                 PrintAndLog("UID must include 14 HEX symbols");
1609                 return 1;
1610         }
1611
1612         // read block2.
1613         c.cmd = CMD_MIFAREU_READBL;
1614         c.arg[0] = 2;
1615         clearCommandBuffer();
1616         SendCommand(&c);
1617         if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1618                 PrintAndLog("Command execute timeout");
1619                 return 2;
1620         }
1621
1622         // save old block2.
1623         uint8_t oldblock2[4] = {0x00};
1624         memcpy(resp.d.asBytes, oldblock2, 4);
1625
1626         // block 0.
1627         c.cmd = CMD_MIFAREU_WRITEBL;
1628         c.arg[0] = 0;
1629         c.d.asBytes[0] = uid[0];
1630         c.d.asBytes[1] = uid[1];
1631         c.d.asBytes[2] = uid[2];
1632         c.d.asBytes[3] =  0x88 ^ uid[0] ^ uid[1] ^ uid[2];
1633         clearCommandBuffer();
1634         SendCommand(&c);
1635         if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
1636                 PrintAndLog("Command execute timeout");
1637                 return 3;
1638         }
1639
1640         // block 1.
1641         c.arg[0] = 1;
1642         c.d.asBytes[0] = uid[3];
1643         c.d.asBytes[1] = uid[4];
1644         c.d.asBytes[2] = uid[5];
1645         c.d.asBytes[3] = uid[6];
1646         clearCommandBuffer();
1647         SendCommand(&c);
1648         if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1649                 PrintAndLog("Command execute timeout");
1650                 return 4;
1651         }
1652
1653         // block 2.
1654         c.arg[0] = 2;
1655         c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
1656         c.d.asBytes[1] = oldblock2[1];
1657         c.d.asBytes[2] = oldblock2[2];
1658         c.d.asBytes[3] = oldblock2[3];
1659         clearCommandBuffer();
1660         SendCommand(&c);
1661         if (!WaitForResponseTimeout(CMD_ACK,&resp,1500) ) {
1662                 PrintAndLog("Command execute timeout");
1663                 return 5;
1664         }
1665
1666         return 0;
1667 }
1668
1669 int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
1670
1671         uint8_t iv[8] = { 0x00 };
1672         uint8_t block = 0x07;
1673
1674         // UL-EV1
1675         //04 57 b6 e2 05 3f 80 UID
1676         //4a f8 4b 19   PWD
1677         uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
1678         uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
1679         uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
1680         uint8_t dkeyA[8] = { 0x00 };
1681         uint8_t dkeyB[8] = { 0x00 };
1682
1683         uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
1684
1685         uint8_t mix[8] = { 0x00 };
1686         uint8_t divkey[8] = { 0x00 };
1687
1688         memcpy(mix, mifarekeyA, 4);
1689
1690         mix[4] = mifarekeyA[4] ^ uid[0];
1691         mix[5] = mifarekeyA[5] ^ uid[1];
1692         mix[6] = block ^ uid[2];
1693         mix[7] = uid[3];
1694
1695         des3_context ctx = { 0x00 };
1696         des3_set2key_enc(&ctx, masterkey);
1697
1698         des3_crypt_cbc(&ctx  // des3_context
1699                 , DES_ENCRYPT    // int mode
1700                 , sizeof(mix)    // length
1701                 , iv             // iv[8]
1702                 , mix            // input
1703                 , divkey         // output
1704                 );
1705
1706         PrintAndLog("3DES version");
1707         PrintAndLog("Masterkey    :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
1708         PrintAndLog("UID          :\t %s", sprint_hex(uid, sizeof(uid)));
1709         PrintAndLog("Sector       :\t %0d", block);
1710         PrintAndLog("Mifare key   :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
1711         PrintAndLog("Message      :\t %s", sprint_hex(mix, sizeof(mix)));
1712         PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
1713
1714         PrintAndLog("\n DES version");
1715
1716         for (int i=0; i < sizeof(mifarekeyA); ++i){
1717                 dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
1718                 dkeyA[6] |=  ((mifarekeyA[i] >> 7) & 1) << (i+1);
1719         }
1720
1721         for (int i=0; i < sizeof(mifarekeyB); ++i){
1722                 dkeyB[1] |=  ((mifarekeyB[i] >> 7) & 1) << (i+1);
1723                 dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;
1724         }
1725
1726         uint8_t zeros[8] = {0x00};
1727         uint8_t newpwd[8] = {0x00};
1728         uint8_t dmkey[24] = {0x00};
1729         memcpy(dmkey, dkeyA, 8);
1730         memcpy(dmkey+8, dkeyB, 8);
1731         memcpy(dmkey+16, dkeyA, 8);
1732         memset(iv, 0x00, 8);
1733
1734         des3_set3key_enc(&ctx, dmkey);
1735
1736         des3_crypt_cbc(&ctx  // des3_context
1737                 , DES_ENCRYPT    // int mode
1738                 , sizeof(newpwd) // length
1739                 , iv             // iv[8]
1740                 , zeros         // input
1741                 , newpwd         // output
1742                 );
1743
1744         PrintAndLog("Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
1745         PrintAndLog("Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
1746         PrintAndLog("Mifare ABA   :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
1747         PrintAndLog("Mifare Pwd   :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
1748
1749         return 0;
1750 }
1751
1752 // static uint8_t * diversify_key(uint8_t * key){
1753
1754  // for(int i=0; i<16; i++){
1755    // if(i<=6) key[i]^=cuid[i];
1756    // if(i>6) key[i]^=cuid[i%7];
1757  // }
1758  // return key;
1759 // }
1760
1761 // static void GenerateUIDe( uint8_t *uid, uint8_t len){
1762         // for (int i=0; i<len; ++i){
1763
1764         // }
1765         // return;
1766 // }
1767
1768 //------------------------------------
1769 // Menu Stuff
1770 //------------------------------------
1771 static command_t CommandTable[] =
1772 {
1773         {"help",        CmdHelp,                        1, "This help"},
1774         {"dbg",         CmdHF14AMfDbg,          0, "Set default debug mode"},
1775         {"info",        CmdHF14AMfUInfo,        0, "Tag information"},
1776         {"dump",        CmdHF14AMfUDump,        0, "Dump Ultralight / Ultralight-C / NTAG tag to binary file"},
1777         {"rdbl",        CmdHF14AMfURdBl,        0, "Read block"},
1778         {"wrbl",        CmdHF14AMfUWrBl,        0, "Write block"},
1779         {"cauth",       CmdHF14AMfucAuth,       0, "Authentication    - Ultralight C"},
1780         {"setpwd",      CmdHF14AMfucSetPwd, 1, "Set 3des password - Ultralight-C"},
1781         {"setuid",      CmdHF14AMfucSetUid, 1, "Set UID - MAGIC tags only"},
1782         {"gen",         CmdHF14AMfuGenDiverseKeys , 1, "Generate 3des mifare diversified keys"},
1783         {NULL, NULL, 0, NULL}
1784 };
1785
1786 int CmdHFMFUltra(const char *Cmd){
1787         WaitForResponseTimeout(CMD_ACK,NULL,100);
1788         CmdsParse(CommandTable, Cmd);
1789         return 0;
1790 }
1791
1792 int CmdHelp(const char *Cmd){
1793         CmdsHelp(CommandTable);
1794         return 0;
1795 }