fix 'hf iclass sim'

[proxmark3-svn] / client / cmdhfmfu.c

diff --git a/client/cmdhfmfu.c b/client/cmdhfmfu.c
index 8bd6ec87d64b6f5f337a2d76875810b6ada59aad..39a00d636f6b9aad530ac3e5a4c3cbf6874cb2e6 100644 (file)
--- a/client/cmdhfmfu.c
+++ b/client/cmdhfmfu.c
@@ -7,289 +7,1270 @@
 //-----------------------------------------------------------------------------
 // High frequency MIFARE ULTRALIGHT (C) commands
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // High frequency MIFARE ULTRALIGHT (C) commands
 //-----------------------------------------------------------------------------

-#include <openssl/des.h>
+

 #include "cmdhfmfu.h"
 #include "cmdhfmfu.h"

+
+#include <stdint.h>
+#include <stdio.h>
+#include "comms.h"
+#include "usb_cmd.h"
+#include "cmdmain.h"
+#include "ui.h"
+#include "mbedtls/des.h"

 #include "cmdhfmf.h"
 #include "cmdhfmf.h"

-#include "cmdhf14a.h"
+#include "cmdhf14a.h" // DropField()
+#include "mifare.h"
+#include "util.h"
+#include "util_posix.h"
+#include "protocols.h"
+#include "taginfo.h"
+#include "crypto/libpcrypto.h"

 
 

+typedef enum TAGTYPE_UL {
+       UNKNOWN       = 0x000000,
+       UL            = 0x000001,
+       UL_C          = 0x000002,
+       UL_EV1_48     = 0x000004,
+       UL_EV1_128    = 0x000008,
+       NTAG          = 0x000010,
+       NTAG_203      = 0x000020,
+       NTAG_210      = 0x000040,
+       NTAG_212      = 0x000080,
+       NTAG_213      = 0x000100,
+       NTAG_215      = 0x000200,
+       NTAG_216      = 0x000400,
+       MY_D          = 0x000800,
+       MY_D_NFC      = 0x001000,
+       MY_D_MOVE     = 0x002000,
+       MY_D_MOVE_LEAN= 0x004000,
+       NTAG_I2C_1K   = 0x008000,
+       NTAG_I2C_2K   = 0x010000,
+       FUDAN_UL      = 0x020000,
+       MAGIC         = 0x040000,
+       UL_MAGIC      = UL | MAGIC,
+       UL_C_MAGIC    = UL_C | MAGIC,
+       UL_ERROR      = 0xFFFFFF,
+} TagTypeUL_t;

 
 

-#define MAX_ULTRA_BLOCKS   0x0f
-#define MAX_ULTRAC_BLOCKS  0x2f
-//#define MAX_ULTRAC_BLOCKS  0x2c
-uint8_t key1_blnk_data[16] = { 0x00 };
-uint8_t key2_defa_data[16] = { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f };
-uint8_t key3_3des_data[16] = { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 };
-uint8_t key4_nfc_data[16]  = { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 };
-uint8_t key5_ones_data[16] = { 0x01 };
+#define MAX_UL_BLOCKS      0x0f
+#define MAX_ULC_BLOCKS     0x2b
+#define MAX_ULEV1a_BLOCKS  0x13
+#define MAX_ULEV1b_BLOCKS  0x28
+#define MAX_NTAG_203       0x29
+#define MAX_NTAG_210       0x13
+#define MAX_NTAG_212       0x28
+#define MAX_NTAG_213       0x2c
+#define MAX_NTAG_215       0x86
+#define MAX_NTAG_216       0xe6
+#define MAX_MY_D_NFC       0xff
+#define MAX_MY_D_MOVE      0x25
+#define MAX_MY_D_MOVE_LEAN 0x0f

 
 

-static int CmdHelp(const char *Cmd);
+#define KEYS_3DES_COUNT 7
+static uint8_t default_3des_keys[KEYS_3DES_COUNT][16] = {
+       { 0x42,0x52,0x45,0x41,0x4b,0x4d,0x45,0x49,0x46,0x59,0x4f,0x55,0x43,0x41,0x4e,0x21 },// 3des std key
+       { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },// all zeroes
+       { 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f },// 0x00-0x0F
+       { 0x49,0x45,0x4D,0x4B,0x41,0x45,0x52,0x42,0x21,0x4E,0x41,0x43,0x55,0x4F,0x59,0x46 },// NFC-key
+       { 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01 },// all ones
+       { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF },// all FF
+       { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA,0xBB,0xCC,0xDD,0xEE,0xFF } // 11 22 33
+};

 
 

-int CmdHF14AMfUInfo(const char *Cmd){
+#define KEYS_PWD_COUNT 6
+static uint8_t default_pwd_pack[KEYS_PWD_COUNT][4] = {
+       {0xFF,0xFF,0xFF,0xFF}, // PACK 0x00,0x00 -- factory default
+       {0x4A,0xF8,0x4B,0x19}, // PACK 0xE5,0xBE -- italian bus (sniffed)
+       {0x33,0x6B,0xA1,0x19}, // PACK 0x9c,0x2d -- italian bus (sniffed)
+       {0xFF,0x90,0x6C,0xB2}, // PACK 0x12,0x9e -- italian bus (sniffed)
+       {0x46,0x1c,0xA3,0x19}, // PACK 0xE9,0x5A -- italian bus (sniffed)
+       {0x35,0x1C,0xD0,0x19}, // PACK 0x9A,0x5a -- italian bus (sniffed)
+};
+
+// known public keys for the originality check (source: https://github.com/alexbatalov/node-nxp-originality-verifier)
+uint8_t public_keys[2][33] = {{0x04,0x49,0x4e,0x1a,0x38,0x6d,0x3d,0x3c,0xfe,0x3d,0xc1,0x0e,0x5d,0xe6,0x8a,0x49,0x9b,  // UL and NDEF
+                                                                       0x1c,0x20,0x2d,0xb5,0xb1,0x32,0x39,0x3e,0x89,0xed,0x19,0xfe,0x5b,0xe8,0xbc,0x61},
+                                                         {0x04,0x90,0x93,0x3b,0xdc,0xd6,0xe9,0x9b,0x4e,0x25,0x5e,0x3d,0xa5,0x53,0x89,0xa8,0x27,  // UL EV1
+                                                                       0x56,0x4e,0x11,0x71,0x8e,0x01,0x72,0x92,0xfa,0xf2,0x32,0x26,0xa9,0x66,0x14,0xb8}
+};

 
 

-    uint8_t datatemp[7] = {0x00};
-    uint8_t isOK  = 0;
-    uint8_t *data = NULL;
+#define MAX_UL_TYPES 17
+static uint32_t UL_TYPES_ARRAY[MAX_UL_TYPES] = {UNKNOWN, UL, UL_C, UL_EV1_48, UL_EV1_128, NTAG, NTAG_203,
+               NTAG_210, NTAG_212, NTAG_213, NTAG_215, NTAG_216, MY_D, MY_D_NFC, MY_D_MOVE, MY_D_MOVE_LEAN, FUDAN_UL};

 
 

-    UsbCommand c = {CMD_MIFAREU_READCARD, {0, 4}};
-    SendCommand(&c);
-    UsbCommand resp;
+static uint8_t UL_MEMORY_ARRAY[MAX_UL_TYPES] = {MAX_UL_BLOCKS, MAX_UL_BLOCKS, MAX_ULC_BLOCKS, MAX_ULEV1a_BLOCKS,
+               MAX_ULEV1b_BLOCKS, MAX_NTAG_203, MAX_NTAG_203, MAX_NTAG_210, MAX_NTAG_212, MAX_NTAG_213,
+               MAX_NTAG_215, MAX_NTAG_216, MAX_UL_BLOCKS, MAX_MY_D_NFC, MAX_MY_D_MOVE, MAX_MY_D_MOVE_LEAN, MAX_UL_BLOCKS};

 
 

-    if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
-        isOK  = resp.arg[0] & 0xff;
-        data  = resp.d.asBytes;
+// get version nxp product type
+static char *getProductTypeStr( uint8_t id){

 
 

-        if (!isOK) {
-                       PrintAndLog("Error reading from tag");
-                       return -1;
+       static char buf[20];
+       char *retStr = buf;
+
+       switch(id) {
+               case 3: sprintf(retStr, "%02X, Ultralight", id); break;
+               case 4: sprintf(retStr, "%02X, NTAG", id); break;
+               default: sprintf(retStr, "%02X, unknown", id); break;
+       }
+       return buf;
+}
+
+/*
+  The 7 MSBits (=n) code the storage size itself based on 2^n,
+  the LSBit is set to '0' if the size is exactly 2^n
+  and set to '1' if the storage size is between 2^n and 2^(n+1).
+*/
+static char *getUlev1CardSizeStr( uint8_t fsize ){
+
+       static char buf[40];
+       char *retStr = buf;
+       memset(buf, 0, sizeof(buf));
+
+       uint16_t usize = 1 << ((fsize >>1) + 1);
+       uint16_t lsize = 1 << (fsize >>1);
+
+       // is  LSB set?
+       if (  fsize & 1 )
+               sprintf(retStr, "%02X, (%u <-> %u bytes)",fsize, usize, lsize);
+       else
+               sprintf(retStr, "%02X, (%u bytes)", fsize, lsize);
+       return buf;
+}
+
+
+static int ul_send_cmd_raw(uint8_t *cmd, uint8_t cmdlen, uint8_t *response, uint16_t responseLength) {
+       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT | ISO14A_APPEND_CRC, cmdlen, 0}};
+       memcpy(c.d.asBytes, cmd, cmdlen);
+       clearCommandBuffer();
+       SendCommand(&c);
+       UsbCommand resp;
+       if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
+       if (!resp.arg[0] && responseLength) return -1;
+
+       uint16_t resplen = (resp.arg[0] < responseLength) ? resp.arg[0] : responseLength;
+       memcpy(response, resp.d.asBytes, resplen);
+       return resplen;
+}
+
+
+static int ul_select(iso14a_card_select_t *card, bool clear_trace) {
+
+       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT | ISO14A_NO_RATS | (clear_trace?ISO14A_CLEAR_TRACE:0), 0, 0}};
+       clearCommandBuffer();
+       SendCommand(&c);
+
+       UsbCommand resp;
+       bool ans = false;
+       ans = WaitForResponseTimeout(CMD_ACK, &resp, 1500);
+       if (ans == 0 || resp.arg[0] == 0) {
+               PrintAndLogEx(WARNING, "iso14443a card select failed");
+               return 0;
+       }
+
+       memcpy(card, resp.d.asBytes, sizeof(iso14a_card_select_t));
+       return 1;
+}
+
+
+// This read command will return 16 bytes.
+static int ul_read(uint8_t page, uint8_t *response, uint16_t responseLength) {
+       uint8_t cmd[] = {MIFARE_CMD_READBLOCK, page};
+       int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
+       return len;
+}
+
+
+static int ul_halt(void) {
+       uint8_t cmd[] = {ISO14443A_CMD_HALT, 0x00};
+       uint8_t response;
+       int len = ul_send_cmd_raw(cmd, sizeof(cmd), &response, sizeof(response));
+       return len;
+}
+
+
+static int ul_comp_write_ex(uint8_t page, uint8_t *data, uint8_t datalen, bool first_part_only) {
+
+       uint8_t cmd[18] = {0x00};
+       datalen = ( datalen > 16) ? 16 : datalen;
+
+       cmd[0] = MIFARE_CMD_WRITEBLOCK;
+       cmd[1] = page;
+
+       uint8_t response = {0xff};
+       ul_send_cmd_raw(cmd, 2, &response, sizeof(response));
+       if (response != CARD_ACK)
+               return -1;
+       if (first_part_only)
+               return 0;
+
+       memcpy(cmd, data, datalen);
+       ul_send_cmd_raw(cmd, 16, &response, sizeof(response));
+       if (response != CARD_ACK)
+               return -1;
+
+       return 0;
+}
+
+
+// not used yet
+// static int ul_comp_write(uint8_t page, uint8_t *data, uint8_t datalen) {
+       // return ul_comp_write_ex(page, data, datalen, false);
+// }
+
+
+static int ulc_requestAuthentication(uint8_t *nonce, uint16_t nonceLength) {
+
+       uint8_t cmd[] = {MIFARE_ULC_AUTH_1, 0x00};
+       int len = ul_send_cmd_raw(cmd, sizeof(cmd), nonce, nonceLength);
+       return len;
+}
+
+
+static int ulc_authentication(uint8_t *key, bool switch_off_field) {
+
+       UsbCommand c = {CMD_MIFAREUC_AUTH, {switch_off_field}};
+       memcpy(c.d.asBytes, key, 16);
+       clearCommandBuffer();
+       SendCommand(&c);
+       UsbCommand resp;
+       if ( !WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) return 0;
+       if ( resp.arg[0] == 1 ) return 1;
+
+       return 0;
+}
+
+
+static int ulev1_requestAuthentication(uint8_t *pwd, uint8_t *pack, uint16_t packLength) {
+
+       uint8_t cmd[] = {MIFARE_ULEV1_AUTH, pwd[0], pwd[1], pwd[2], pwd[3]};
+       int len = ul_send_cmd_raw(cmd, sizeof(cmd), pack, packLength);
+       return len;
+}
+
+
+static int ul_auth_select(iso14a_card_select_t *card, TagTypeUL_t tagtype, bool hasAuthKey, uint8_t *authenticationkey, uint8_t *pack, uint8_t packSize) {
+
+       if (hasAuthKey && (tagtype & UL_C)) {
+               //will select card automatically and close connection on error
+               if (!ulc_authentication(authenticationkey, false)) {
+                       PrintAndLogEx(ERR, "Authentication Failed UL-C");
+                       return 0;

                }
        } else {
                }
        } else {

-               PrintAndLog("Command execute timed out");
-               return -1;
+               if (!ul_select(card, false)) return 0;
+
+               if (hasAuthKey) {
+                       if (ulev1_requestAuthentication(authenticationkey, pack, packSize) < 1) {
+                               PrintAndLogEx(ERR, "Authentication Failed UL-EV1/NTAG");
+                               return 0;
+                       }
+               }

        }
        }

-       
-       PrintAndLog("");
-       PrintAndLog("-- Mifare Ultralight / Ultralight-C Tag Information ---------");
-       PrintAndLog("-------------------------------------------------------------");
+       return 1;
+}

 
 

-       // UID
-       memcpy( datatemp, data, 3);
-       memcpy( datatemp+3, data+4, 4);
-       
-       PrintAndLog("MANUFACTURER : %s", getTagInfo(datatemp[0]));
-       PrintAndLog("         UID : %s ", sprint_hex(datatemp, 7));
-       // BBC
-       // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2 
-       int crc0 = 0x88 ^ data[0] ^ data[1] ^data[2];
+static int ulev1_getVersion(uint8_t *response, uint16_t responseLength) {
+
+       uint8_t cmd[] = {MIFARE_ULEV1_VERSION};
+       int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
+       return len;
+}
+
+// static int ulev1_fastRead( uint8_t startblock, uint8_t endblock, uint8_t *response ){
+
+       // uint8_t cmd[] = {MIFARE_ULEV1_FASTREAD, startblock, endblock};
+
+       // if ( !ul_send_cmd_raw(cmd, sizeof(cmd), response)){
+               // return -1;
+       // }
+       // return 0;
+// }
+
+
+static int ulev1_readCounter(uint8_t counter, uint8_t *response, uint16_t responseLength) {
+
+       uint8_t cmd[] = {MIFARE_ULEV1_READ_CNT, counter};
+       int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
+       return len;
+}
+
+
+static int ulev1_readTearing(uint8_t counter, uint8_t *response, uint16_t responseLength) {
+
+       uint8_t cmd[] = {MIFARE_ULEV1_CHECKTEAR, counter};
+       int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
+       return len;
+}
+
+
+static int ulev1_readSignature(uint8_t *response, uint16_t responseLength) {
+
+       uint8_t cmd[] = {MIFARE_ULEV1_READSIG, 0x00};
+       int len = ul_send_cmd_raw(cmd, sizeof(cmd), response, responseLength);
+       return len;
+}
+
+
+// Fudan check checks for which error is given for a command with incorrect crc
+// NXP UL chip responds with 01, fudan 00.
+// other possible checks:
+//  send a0 + crc
+//  UL responds with 00, fudan doesn't respond
+//  or
+//  send a200 + crc
+//  UL doesn't respond, fudan responds with 00
+//  or
+//  send 300000 + crc (read with extra byte(s))
+//  UL responds with read of page 0, fudan doesn't respond.
+//
+// make sure field is off before calling this function
+static int ul_fudan_check(void) {
+       iso14a_card_select_t card;
+       if (!ul_select(&card, false))
+               return UL_ERROR;
+
+       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_NO_DISCONNECT, 4, 0}};
+
+       uint8_t cmd[4] = {0x30,0x00,0x02,0xa7}; //wrong crc on purpose  should be 0xa8
+       memcpy(c.d.asBytes, cmd, 4);
+       clearCommandBuffer();
+       SendCommand(&c);
+       UsbCommand resp;
+       if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return UL_ERROR;
+       if (resp.arg[0] != 1) return UL_ERROR;
+
+       return (!resp.d.asBytes[0]) ? FUDAN_UL : UL; //if response == 0x00 then Fudan, else Genuine NXP
+}
+
+
+static int ul_print_default(uint8_t *data) {
+
+       uint8_t uid[7];
+       memcpy(uid, data, 3);
+       memcpy(uid+3, data+4, 4);
+
+       PrintAndLogEx(NORMAL,"       UID : %s", sprint_hex(uid, 7));
+       PrintAndLogEx(NORMAL,"    UID[0] : %02X, %s", uid[0], getManufacturerName(uid[0]));
+
+       if (uid[0] == 0x05 && ((uid[1] & 0xf0) >> 4) == 2 ) { // is infineon and 66RxxP
+               uint8_t chip = (data[8] & 0xC7); // 11000111  mask, bit 3,4,5 RFU
+               switch (chip){
+                       case 0xc2: PrintAndLogEx(NORMAL, "   IC type : SLE 66R04P 770 Bytes"); break; //77 pages
+                       case 0xc4: PrintAndLogEx(NORMAL, "   IC type : SLE 66R16P 2560 Bytes"); break; //256 pages
+                       case 0xc6: PrintAndLogEx(NORMAL, "   IC type : SLE 66R32P 5120 Bytes"); break; //512 pages /2 sectors
+               }
+       }
+       // CT (cascade tag byte) 0x88 xor SN0 xor SN1 xor SN2
+       int crc0 = 0x88 ^ uid[0] ^ uid[1] ^ uid[2];

        if ( data[3] == crc0 )
        if ( data[3] == crc0 )

-               PrintAndLog("        BCC0 : %02x - Ok", data[3]);
+               PrintAndLogEx(NORMAL, "      BCC0 : %02X, Ok", data[3]);

        else
        else

-               PrintAndLog("        BCC0 : %02x - crc should be %02x", data[3], crc0);
-               
-       int crc1 = data[4] ^ data[5] ^ data[6] ^data[7];
+               PrintAndLogEx(NORMAL, "      BCC0 : %02X, crc should be %02X", data[3], crc0);
+
+       int crc1 = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];

        if ( data[8] == crc1 )
        if ( data[8] == crc1 )

-               PrintAndLog("        BCC1 : %02x - Ok", data[8]);
+               PrintAndLogEx(NORMAL, "      BCC1 : %02X, Ok", data[8]);

        else
        else

-               PrintAndLog("        BCC1 : %02x - crc should be %02x", data[8], crc1 );
-       
-       PrintAndLog("    Internal : %s ", sprint_hex(data + 9, 1));
-       
-       memcpy(datatemp, data+10, 2);
-       PrintAndLog("        Lock : %s - %s", sprint_hex(datatemp, 2),printBits( 2, &datatemp) );
-       PrintAndLog("  OneTimePad : %s ", sprint_hex(data + 3*4, 4));
-       PrintAndLog("");
+               PrintAndLogEx(NORMAL, "      BCC1 : %02X, crc should be %02X", data[8], crc1 );
+
+       PrintAndLogEx(NORMAL, "  Internal : %02X, %sdefault", data[9], (data[9]==0x48)?"":"not " );
+
+       PrintAndLogEx(NORMAL, "      Lock : %s       (binary %s %s)",
+                               sprint_hex(data+10, 2),
+                               printBits(1, data+10),
+                               printBits(1, data+11)
+               );
+
+       PrintAndLogEx(NORMAL, "OneTimePad : %s (binary %s %s %s %s)\n",
+                               sprint_hex(data+12, 4),
+                               printBits(1, data+12),
+                               printBits(1, data+13),
+                               printBits(1, data+14),
+                               printBits(1, data+15)
+               );

 
 

-       int len = CmdHF14AMfucAuth("K 0");
-//     PrintAndLog("CODE: %d",len);
-       
-       PrintAndLog("Seems to be a Ultralight %s", (len==0) ? "-C" :"");

        return 0;
 }
 
        return 0;
 }
 

-//
-//  Mifare Ultralight Write Single Block
-//
-int CmdHF14AMfUWrBl(const char *Cmd){
-    uint8_t blockNo    = -1;
-    bool chinese_card  = FALSE;
-    uint8_t bldata[16] = {0x00};
-    UsbCommand resp;
-
-       char cmdp = param_getchar(Cmd, 0);
-       if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {
-        PrintAndLog("Usage:  hf mfu wrbl <block number> <block data (8 hex symbols)> [w]");
-               PrintAndLog("       [block number]");
-               PrintAndLog("       [block data] - (8 hex symbols)");
-               PrintAndLog("       [w] - Chinese magic ultralight tag");
-               PrintAndLog("");
-        PrintAndLog("        sample: hf mfu wrbl 0 01020304");
-               PrintAndLog("");                
-        return 0;
-    }       
-    
-       blockNo = param_get8(Cmd, 0);
-
-    if (blockNo > MAX_ULTRA_BLOCKS){
-        PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
-        return 1;
-    }
+
+static int ndef_print_CC(uint8_t *data) {
+       // no NDEF message
+       if(data[0] != 0xe1)
+               return -1;
+
+       PrintAndLogEx(NORMAL, "--- NDEF Message");
+       PrintAndLogEx(NORMAL, "Capability Container: %s", sprint_hex(data,4) );
+       PrintAndLogEx(NORMAL, "  %02X : NDEF Magic Number", data[0]);
+       PrintAndLogEx(NORMAL, "  %02X : version %d.%d supported by tag", data[1], (data[1] & 0xF0) >> 4, data[1] & 0x0f);
+       PrintAndLogEx(NORMAL, "  %02X : Physical Memory Size: %d bytes", data[2], (data[2] + 1) * 8);
+       if ( data[2] == 0x12 )
+               PrintAndLogEx(NORMAL, "  %02X : NDEF Memory Size: %d bytes", data[2], 144);
+       else if ( data[2] == 0x3e )
+               PrintAndLogEx(NORMAL, "  %02X : NDEF Memory Size: %d bytes", data[2], 496);
+       else if ( data[2] == 0x6d )
+               PrintAndLogEx(NORMAL, "  %02X : NDEF Memory Size: %d bytes", data[2], 872);
+
+       PrintAndLogEx(NORMAL, "  %02X : %s / %s", data[3],
+                               (data[3] & 0xF0) ? "(RFU)" : "Read access granted without any security",
+                               (data[3] & 0x0F)==0 ? "Write access granted without any security" : (data[3] & 0x0F)==0x0F ? "No write access granted at all" : "(RFU)");
+       return 0;
+}
+
+
+int ul_print_type(uint32_t tagtype, uint8_t spaces){
+       char spc[11] = "          ";
+       spc[10]=0x00;
+       char *spacer = spc + (10-spaces);
+
+       if (tagtype & UL )
+               PrintAndLogEx(NORMAL, "%sTYPE : MIFARE Ultralight (MF0ICU1) %s", spacer, (tagtype & MAGIC) ? "<magic>" : "" );
+       else if (tagtype & UL_C)
+               PrintAndLogEx(NORMAL, "%sTYPE : MIFARE Ultralight C (MF0ULC) %s", spacer, (tagtype & MAGIC) ? "<magic>" : "" );
+       else if (tagtype & UL_EV1_48)
+               PrintAndLogEx(NORMAL, "%sTYPE : MIFARE Ultralight EV1 48bytes (MF0UL1101)", spacer);
+       else if (tagtype & UL_EV1_128)
+               PrintAndLogEx(NORMAL, "%sTYPE : MIFARE Ultralight EV1 128bytes (MF0UL2101)", spacer);
+       else if (tagtype & NTAG)
+               PrintAndLogEx(NORMAL, "%sTYPE : NTAG UNKNOWN", spacer);
+       else if (tagtype & NTAG_203)
+               PrintAndLogEx(NORMAL, "%sTYPE : NTAG 203 144bytes (NT2H0301F0DT)", spacer);
+       else if (tagtype & NTAG_210)
+               PrintAndLogEx(NORMAL, "%sTYPE : NTAG 210 48bytes (NT2L1011G0DU)", spacer);
+       else if (tagtype & NTAG_212)
+               PrintAndLogEx(NORMAL, "%sTYPE : NTAG 212 128bytes (NT2L1211G0DU)", spacer);
+       else if (tagtype & NTAG_213)
+               PrintAndLogEx(NORMAL, "%sTYPE : NTAG 213 144bytes (NT2H1311G0DU)", spacer);
+       else if (tagtype & NTAG_215)
+               PrintAndLogEx(NORMAL, "%sTYPE : NTAG 215 504bytes (NT2H1511G0DU)", spacer);
+       else if (tagtype & NTAG_216)
+               PrintAndLogEx(NORMAL, "%sTYPE : NTAG 216 888bytes (NT2H1611G0DU)", spacer);
+       else if (tagtype & NTAG_I2C_1K)
+               PrintAndLogEx(NORMAL, "%sTYPE : NTAG I%sC 888bytes (NT3H1101FHK)", spacer, "\xFD");
+       else if (tagtype & NTAG_I2C_2K)
+               PrintAndLogEx(NORMAL, "%sTYPE : NTAG I%sC 1904bytes (NT3H1201FHK)", spacer, "\xFD");
+       else if (tagtype & MY_D)
+               PrintAndLogEx(NORMAL, "%sTYPE : INFINEON my-d\x99 (SLE 66RxxS)", spacer);
+       else if (tagtype & MY_D_NFC)
+               PrintAndLogEx(NORMAL, "%sTYPE : INFINEON my-d\x99 NFC (SLE 66RxxP)", spacer);
+       else if (tagtype & MY_D_MOVE)
+               PrintAndLogEx(NORMAL, "%sTYPE : INFINEON my-d\x99 move | my-d\x99move NFC (SLE 66R01P)", spacer);
+       else if (tagtype & MY_D_MOVE_LEAN)
+               PrintAndLogEx(NORMAL, "%sTYPE : INFINEON my-d\x99 move lean (SLE 66R01L)", spacer);
+       else if (tagtype & FUDAN_UL)
+               PrintAndLogEx(NORMAL, "%sTYPE : FUDAN Ultralight Compatible (or other compatible) %s", spacer, (tagtype & MAGIC) ? "<magic>" : "" );
+       else
+               PrintAndLogEx(NORMAL, "%sTYPE : Unknown %06x", spacer, tagtype);
+       return 0;
+}
+
+
+static int ulc_print_3deskey(uint8_t *data) {
+       PrintAndLogEx(NORMAL, "         deskey1 [44/0x2C] : %s [%.4s]", sprint_hex(data   ,4),data);
+       PrintAndLogEx(NORMAL, "         deskey1 [45/0x2D] : %s [%.4s]", sprint_hex(data+4 ,4),data+4);
+       PrintAndLogEx(NORMAL, "         deskey2 [46/0x2E] : %s [%.4s]", sprint_hex(data+8 ,4),data+8);
+       PrintAndLogEx(NORMAL, "         deskey2 [47/0x2F] : %s [%.4s]", sprint_hex(data+12,4),data+12);
+       PrintAndLogEx(NORMAL, "\n 3des key : %s", sprint_hex(SwapEndian64(data, 16, 8), 16));
+       return 0;
+}
+
+
+static int ulc_print_configuration(uint8_t *data) {
+
+       PrintAndLogEx(NORMAL, "--- UL-C Configuration");
+       PrintAndLogEx(NORMAL, " Higher Lockbits [40/0x28] : %s       (binary %s %s)",
+               sprint_hex(data, 2),
+               printBits(1, data),
+               printBits(1, data+1)
+               );
+       PrintAndLogEx(NORMAL, "         Counter [41/0x29] : %s", sprint_hex(data+4, 2));
+
+       bool validAuth = (data[8] >= 0x03 && data[8] <= 0x30);
+       if (validAuth)
+               PrintAndLogEx(NORMAL, "           Auth0 [42/0x2A] : %s page %d/0x%02X and above need authentication", sprint_hex(data+8, 4), data[8], data[8] );
+       else{
+               if (data[8] == 0) {
+                       PrintAndLogEx(NORMAL, "           Auth0 [42/0x2A] : %s default", sprint_hex(data+8, 4) );
+               } else {
+                       PrintAndLogEx(NORMAL, "           Auth0 [42/0x2A] : %s auth byte is out-of-range", sprint_hex(data+8, 4) );
+               }
+       }
+       PrintAndLogEx(NORMAL, "           Auth1 [43/0x2B] : %s %s",
+                       sprint_hex(data+12, 4),
+                       (data[12] & 1) ? "write access restricted": "read and write access restricted"
+                       );
+       return 0;
+}
+
+
+static int ulev1_print_configuration(uint8_t *data, uint8_t startPage) {
+
+       PrintAndLogEx(NORMAL, "\n--- Tag Configuration");
+
+       bool strg_mod_en = (data[0] & 2);
+       uint8_t authlim = (data[4] & 0x07);
+       bool cfglck = (data[4] & 0x40);
+       bool prot = (data[4] & 0x80);
+       uint8_t vctid = data[5];
+
+       PrintAndLogEx(NORMAL, "  cfg0 [%u/0x%02X] : %s", startPage, startPage, sprint_hex(data, 4));
+       if (data[3] < 0xff)
+               PrintAndLogEx(NORMAL, "                    - page %d and above need authentication", data[3]);
+       else
+               PrintAndLogEx(NORMAL, "                    - pages don't need authentication");
+       PrintAndLogEx(NORMAL, "                    - strong modulation mode %s", (strg_mod_en) ? "enabled" : "disabled");
+       PrintAndLogEx(NORMAL, "  cfg1 [%u/0x%02X] : %s", startPage + 1, startPage + 1,  sprint_hex(data+4, 4) );
+       if (authlim == 0)
+               PrintAndLogEx(NORMAL, "                    - Unlimited password attempts");
+       else
+               PrintAndLogEx(NORMAL, "                    - Max number of password attempts is %d", authlim);
+       PrintAndLogEx(NORMAL, "                    - user configuration %s", cfglck ? "permanently locked":"writeable");
+       PrintAndLogEx(NORMAL, "                    - %s access is protected with password", prot ? "read and write":"write");
+       PrintAndLogEx(NORMAL, "                    - %02X, Virtual Card Type Identifier is %s default", vctid, (vctid==0x05)? "":"not");
+       PrintAndLogEx(NORMAL, "  PWD  [%u/0x%02X] : %s- (cannot be read)", startPage + 2, startPage + 2, sprint_hex(data+8, 4));
+       PrintAndLogEx(NORMAL, "  PACK [%u/0x%02X] : %s      - (cannot be read)", startPage + 3, startPage + 3, sprint_hex(data+12, 2));
+       PrintAndLogEx(NORMAL, "  RFU  [%u/0x%02X] :       %s- (cannot be read)", startPage + 3, startPage + 3, sprint_hex(data+14, 2));
+       return 0;
+}
+
+
+static int ulev1_print_counters(void) {
+       PrintAndLogEx(NORMAL, "--- Tag Counters");
+       uint8_t tear[1] = {0};
+       uint8_t counter[3] = {0,0,0};
+       uint16_t len = 0;
+       for ( uint8_t i = 0; i<3; ++i) {
+               ulev1_readTearing(i, tear, sizeof(tear));
+               len = ulev1_readCounter(i, counter, sizeof(counter) );
+               if (len == 3) {
+                       PrintAndLogEx(NORMAL, "       [%0d] : %s", i, sprint_hex(counter,3));
+                       PrintAndLogEx(NORMAL, "                    - %02X tearing %s", tear[0], ( tear[0]==0xBD)?"Ok":"failure");
+               }
+       }
+       return len;
+}
+
+
+static int ulev1_print_signature(TagTypeUL_t tagtype, uint8_t *uid, uint8_t *signature, size_t signature_len){
+       uint8_t public_key = 0;
+       if (tagtype == UL_EV1_48 || tagtype == UL_EV1_128) {
+               public_key = 1;
+       }
+       int res = ecdsa_signature_r_s_verify(MBEDTLS_ECP_DP_SECP128R1, public_keys[public_key], uid, 7, signature, signature_len, false);
+       bool signature_valid = (res == 0);

        
        

-    if (param_gethex(Cmd, 1, bldata, 8)) {
-        PrintAndLog("Block data must include 8 HEX symbols");
-        return 1;
-    }
+       PrintAndLogEx(NORMAL, "\n--- Tag Originality Signature");
+       //PrintAndLogEx(NORMAL, "IC signature public key name  : NXP NTAG21x 2013"); // don't know if there is other NXP public keys.. :(
+       PrintAndLogEx(NORMAL, "         Signature public key : %s", sprint_hex(public_keys[public_key]+1, sizeof(public_keys[public_key])-1));
+       PrintAndLogEx(NORMAL, "    Elliptic curve parameters : secp128r1");
+       PrintAndLogEx(NORMAL, "            Tag ECC Signature : %s", sprint_hex(signature, signature_len));
+       PrintAndLogEx(NORMAL, "  Originality signature check : signature is %svalid", signature_valid?"":"NOT ");
+       return 0;
+}
+
+
+static int ulev1_print_version(uint8_t *data){
+       PrintAndLogEx(NORMAL, "\n--- Tag Version");
+       PrintAndLogEx(NORMAL, "       Raw bytes : %s", sprint_hex(data, 8) );
+       PrintAndLogEx(NORMAL, "       Vendor ID : %02X, %s", data[1], getManufacturerName(data[1]));
+       PrintAndLogEx(NORMAL, "    Product type : %s", getProductTypeStr(data[2]));
+       PrintAndLogEx(NORMAL, " Product subtype : %02X, %s", data[3], (data[3]==1) ?"17 pF":"50pF");
+       PrintAndLogEx(NORMAL, "   Major version : %02X", data[4]);
+       PrintAndLogEx(NORMAL, "   Minor version : %02X", data[5]);
+       PrintAndLogEx(NORMAL, "            Size : %s", getUlev1CardSizeStr(data[6]));
+       PrintAndLogEx(NORMAL, "   Protocol type : %02X", data[7]);
+       return 0;
+}
+
+
+static int ul_magic_test(void) {
+       // try a compatibility write to page0, and see if tag answers with ACK/NACK to the first part of the command
+       iso14a_card_select_t card;
+       if (!ul_select(&card, false))
+               return UL_ERROR;
+       int status = ul_comp_write_ex(0, NULL, 0, true);
+       if (status == 0) {
+               return MAGIC;
+       }
+       return 0;
+}
+
+
+uint32_t GetHF14AMfU_Type(void){
+
+       TagTypeUL_t tagtype = UNKNOWN;
+       iso14a_card_select_t card;
+       uint8_t version[10] = {0x00};
+       int len;
+
+       if (!ul_select(&card, true)) {
+               DropField();
+               msleep(200);
+               return UL_ERROR;
+       }
+
+       // Check for Ultralight Family
+       if (card.uidlen != 7 || (card.sak & 0x38) != 0x00) {
+               DropField();
+               PrintAndLogEx(NORMAL, "Tag is not Ultralight | NTAG | MY-D  [ATQA: %02X %02X SAK: %02X]\n", card.atqa[1], card.atqa[0], card.sak);
+               return UL_ERROR;
+       }
+
+       if (card.uid[0] != 0x05) {
+               len  = ulev1_getVersion(version, sizeof(version));
+               if (len == 10) {
+                       if (version[2] == 0x03 && version[6] == 0x0B)
+                               tagtype = UL_EV1_48;
+                       else if (version[2] == 0x03 && version[6] != 0x0B)
+                               tagtype = UL_EV1_128;
+                       else if (version[2] == 0x04 && version[3] == 0x01 && version[6] == 0x0B)
+                               tagtype = NTAG_210;
+                       else if (version[2] == 0x04 && version[3] == 0x01 && version[6] == 0x0E)
+                               tagtype = NTAG_212;
+                       else if (version[2] == 0x04 && version[3] == 0x02 && version[6] == 0x0F)
+                               tagtype = NTAG_213;
+                       else if (version[2] == 0x04 && version[3] == 0x02 && version[6] == 0x11)
+                               tagtype = NTAG_215;
+                       else if (version[2] == 0x04 && version[3] == 0x02 && version[6] == 0x13)
+                               tagtype = NTAG_216;
+                       else if (version[2] == 0x04 && version[3] == 0x05 && version[6] == 0x13)
+                               tagtype = NTAG_I2C_1K;
+                       else if (version[2] == 0x04 && version[3] == 0x05 && version[6] == 0x15)
+                               tagtype = NTAG_I2C_2K;
+                       else if (version[2] == 0x04)
+                               tagtype = NTAG;
+               }
+
+               // UL vs UL-C vs ntag203 test
+               if (tagtype == UNKNOWN) {
+                       ul_halt();
+                       if (!ul_select(&card, false)) {
+                               DropField();
+                               msleep(200);
+                               return UL_ERROR;
+                       }
+
+                       // do UL_C check first...
+                       uint8_t nonce[11] = {0x00};
+                       len = ulc_requestAuthentication(nonce, sizeof(nonce));
+                       ul_halt();
+                       if (len == 11) {
+                               tagtype = UL_C;
+                       } else {
+                               // need to re-select after authentication error
+                               if (!ul_select(&card, false)) {
+                                       DropField();
+                                       msleep(200);
+                                       return UL_ERROR;
+                               }
+
+                               uint8_t data[16] = {0x00};
+                               // read page 0x29 (last valid ntag203 page)
+                               len = ul_read(0x29, data, sizeof(data));
+                               if (len <= 1) {
+                                       tagtype = UL;
+                               } else {
+                                       // read page 0x30 (should error if it is a ntag203)
+                                       len = ul_read(0x30, data, sizeof(data));
+                                       if (len <= 1) {
+                                               ul_halt();
+                                               tagtype = NTAG_203;
+                                       }
+                               }
+                       }
+               }
+               if (tagtype & UL) {
+                       tagtype = ul_fudan_check();
+                       ul_halt();
+               }
+
+       } else {  // manufacturer Infineon. Check for my-d variants
+
+               uint8_t nib = (card.uid[1] & 0xf0) >> 4;
+               switch (nib) {
+                       case 1: tagtype = MY_D; break;                      //or SLE 66RxxS ... up to 512 pages of 8 user bytes...
+                       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)
+                       case 3: tagtype = MY_D_MOVE; break;                 //or SLE 66R01P  // 38 pages of 4 bytes
+                       case 7: tagtype = MY_D_MOVE_LEAN; break;            //or SLE 66R01L  // 16 pages of 4 bytes
+               }
+       }
+
+       tagtype |= ul_magic_test();

        
        

-    if (strchr(Cmd,'w') != 0  || strchr(Cmd,'W') != 0 ) {
-        chinese_card = TRUE; 
-    }
+       if (tagtype == (UNKNOWN | MAGIC)) tagtype = (UL_MAGIC);
+
+       DropField();
+       msleep(200);

        
        

-    if ( blockNo <= 3) {
-               if (!chinese_card){
-                       PrintAndLog("Access Denied");
-               } else {
-                       PrintAndLog("--specialblock no:%02x", blockNo);
-                       PrintAndLog("--data: %s", sprint_hex(bldata, 4));
-                       UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
-                       memcpy(d.d.asBytes,bldata, 4);
-                       SendCommand(&d);
-                       if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-                               uint8_t isOK  = resp.arg[0] & 0xff;
-                               PrintAndLog("isOk:%02x", isOK);
-                       } else {
-                               PrintAndLog("Command execute timeout");
-                       }  
+       printf("Tagtype: %08x\n", tagtype);
+       return tagtype;
+}
+
+
+static int usage_hf_mfu_info(void) {
+       PrintAndLogEx(NORMAL, "It gathers information about the tag and tries to detect what kind it is.");
+       PrintAndLogEx(NORMAL, "Sometimes the tags are locked down, and you may need a key to be able to read the information");
+       PrintAndLogEx(NORMAL, "The following tags can be identified:\n");
+       PrintAndLogEx(NORMAL, "Ultralight, Ultralight-C, Ultralight EV1, NTAG 203, NTAG 210,");
+       PrintAndLogEx(NORMAL, "NTAG 212, NTAG 213, NTAG 215, NTAG 216, NTAG I2C 1K & 2K");
+       PrintAndLogEx(NORMAL, "my-d, my-d NFC, my-d move, my-d move NFC\n");
+       PrintAndLogEx(NORMAL, "Usage:  hf mfu info k <key> l");
+       PrintAndLogEx(NORMAL, "  Options : ");
+       PrintAndLogEx(NORMAL, "  k <key> : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
+       PrintAndLogEx(NORMAL, "  l       : (optional) swap entered key's endianness");
+       PrintAndLogEx(NORMAL, "");
+       PrintAndLogEx(NORMAL, "   sample : hf mfu info");
+       PrintAndLogEx(NORMAL, "          : hf mfu info k 00112233445566778899AABBCCDDEEFF");
+       PrintAndLogEx(NORMAL, "          : hf mfu info k AABBCCDDD");
+       return 0;
+}
+
+
+static int CmdHF14AMfUInfo(const char *Cmd) {
+
+       uint8_t authlim = 0xff;
+       iso14a_card_select_t card;
+       uint8_t uid[7];
+       bool errors = false;
+       uint8_t keybytes[16] = {0x00};
+       uint8_t *authenticationkey = keybytes;
+       int keyLen = 0;
+       bool hasAuthKey = false;
+       bool locked = false;
+       bool swapEndian = false;
+       uint8_t cmdp = 0;
+       uint8_t pack[4] = {0,0,0,0};
+       int len = 0;
+
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+               case 'h':
+               case 'H':
+                       return usage_hf_mfu_info();
+               case 'k':
+               case 'K':
+                       keyLen = 32;
+                       errors = param_gethex_ex(Cmd, cmdp+1, authenticationkey, &keyLen);
+                       if (errors || (keyLen != 32 && keyLen != 8)) { //ul-c or ev1/ntag key length
+                               PrintAndLogEx(ERR, "Key has incorrect length.\n");
+                               errors = true;
+                       }
+                       cmdp += 2;
+                       keyLen /= 2;
+                       hasAuthKey = true;
+                       break;
+               case 'l':
+               case 'L':
+                       swapEndian = true;
+                       cmdp++;
+                       break;
+               default:
+                       PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                       errors = true;
+                       break;

                }
                }

+               if(errors) break;
+       }
+
+       //Validations
+       if (errors)
+               return usage_hf_mfu_info();
+
+       TagTypeUL_t tagtype = GetHF14AMfU_Type();
+       if (tagtype == UL_ERROR) {
+               return -1;
+       }
+
+       PrintAndLogEx(NORMAL, "\n--- Tag Information ---------");
+       PrintAndLogEx(NORMAL, "-------------------------------------------------------------");
+       ul_print_type(tagtype, 6);
+
+       // Swap endianness
+       if (swapEndian && hasAuthKey) 
+               authenticationkey = SwapEndian64(authenticationkey, keyLen, (keyLen == 16) ? 8 : 4 );
+
+       if (!ul_auth_select(&card, tagtype, hasAuthKey, authenticationkey, pack, sizeof(pack))) {
+               DropField();
+               return -1;
+       }
+
+       // read pages 0,1,2,3 (should read 4pages)
+       uint8_t data[16];
+       len = ul_read(0, data, sizeof(data));
+       if (len == -1) {
+               DropField();
+               PrintAndLogEx(WARNING, "Error: tag didn't answer to READ");
+               return -1;
+       } else if (len == 16) {
+               memcpy(uid, data, 3);
+               memcpy(uid+3, data+4, 4);
+               ul_print_default(data);
+               ndef_print_CC(data+12);

        } else {
        } else {

-           PrintAndLog("--block no:%02x", blockNo);
-           PrintAndLog("--data: %s", sprint_hex(bldata, 4));           
-           UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
-               memcpy(e.d.asBytes,bldata, 4);
-               SendCommand(&e);
-        if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-            uint8_t isOK  = resp.arg[0] & 0xff;
-            PrintAndLog("isOk:%02x", isOK);
-        } else {
-            PrintAndLog("Command execute timeout");
-        }
-    }
-    return 0;
+               locked = true;
+       }
+
+       // UL_C Specific
+       if ((tagtype & UL_C)) {
+
+               // read pages 0x28, 0x29, 0x2A, 0x2B
+               uint8_t ulc_conf[16] = {0x00};
+               len = ul_read(0x28, ulc_conf, sizeof(ulc_conf));
+               if (len == -1) {
+                       DropField();
+                       PrintAndLogEx(WARNING, "Error: tag didn't answer to READ UL-C");
+                       return -1;
+               }
+               if (len == 16) {
+                       ulc_print_configuration(ulc_conf);
+               } else {
+                       locked = true;
+               }
+
+               if ((tagtype & MAGIC)) {
+                       //just read key
+                       uint8_t ulc_deskey[16] = {0x00};
+                       len = ul_read(0x2C, ulc_deskey, sizeof(ulc_deskey));
+                       if (len == -1) {
+                               DropField();
+                               PrintAndLogEx(WARNING, "Error: tag didn't answer to READ magic");
+                               return -1;
+                       }
+                       if (len == 16) ulc_print_3deskey(ulc_deskey);
+               } else {
+                       // if we called info with key, just return
+                       if (hasAuthKey) {
+                               DropField();
+                               return 1;
+                       }
+
+                       // also try to diversify default keys..  look into CmdHF14AMfuGenDiverseKeys
+                       PrintAndLogEx(INFO, "Trying some default 3des keys");
+                       for (uint8_t i = 0; i < KEYS_3DES_COUNT; ++i ) {
+                               uint8_t *key = default_3des_keys[i];
+                               if (ulc_authentication(key, true)) {
+                                       DropField();
+                                       PrintAndLogEx(SUCCESS, "Found default 3des key: ");
+                                       uint8_t keySwap[16];
+                                       memcpy(keySwap, SwapEndian64(key,16,8), 16);
+                                       ulc_print_3deskey(keySwap);
+                                       return 1;
+                               }
+                       }
+                       DropField();
+                       return 1;
+               }
+       }
+
+       // do counters and signature first (don't neet auth)
+
+       // ul counters are different than ntag counters
+       if ((tagtype & (UL_EV1_48 | UL_EV1_128))) {
+               if (ulev1_print_counters() != 3) {
+                       // failed - re-select
+                       if (!ul_auth_select( &card, tagtype, hasAuthKey, authenticationkey, pack, sizeof(pack))) {
+                               DropField();
+                               return -1;
+                       }
+               }
+       }
+
+       if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_213 | NTAG_215 | NTAG_216 | NTAG_I2C_1K | NTAG_I2C_2K ))) {
+               uint8_t ulev1_signature[32] = {0x00};
+               len = ulev1_readSignature(ulev1_signature, sizeof(ulev1_signature));
+               if (len == -1) {
+                       DropField();
+                       PrintAndLogEx(WARNING, "Error: tag didn't answer to READ SIGNATURE");
+                       return -1;
+               }
+               if (len == 32) {
+                       ulev1_print_signature(tagtype, uid, ulev1_signature, sizeof(ulev1_signature));
+               } else {
+                       // re-select
+                       if (!ul_auth_select( &card, tagtype, hasAuthKey, authenticationkey, pack, sizeof(pack))) {
+                               DropField();
+                               return -1;
+                       }
+               }
+       }
+
+       if ((tagtype & (UL_EV1_48 | UL_EV1_128 | NTAG_210 | NTAG_212 | NTAG_213 | NTAG_215 | NTAG_216 | NTAG_I2C_1K | NTAG_I2C_2K))) {
+               uint8_t version[10] = {0x00};
+               len = ulev1_getVersion(version, sizeof(version));
+               if (len == -1) {
+                       DropField();
+                       PrintAndLogEx(WARNING, "Error: tag didn't answer to GETVERSION");
+                       return -1;
+               } else if (len == 10) {
+                       ulev1_print_version(version);
+               } else {
+                       locked = true;
+                       if (!ul_auth_select( &card, tagtype, hasAuthKey, authenticationkey, pack, sizeof(pack))) {
+                               DropField();
+                               return -1;
+                       }
+               }
+
+               uint8_t startconfigblock = 0;
+               uint8_t ulev1_conf[16] = {0x00};
+               // config blocks always are last 4 pages
+               for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++) {
+                       if (tagtype & UL_TYPES_ARRAY[idx]) {
+                               startconfigblock = UL_MEMORY_ARRAY[idx]-3;
+                               break;
+                       }
+               }
+
+               if (startconfigblock) { // if we know where the config block is...
+                       len = ul_read(startconfigblock, ulev1_conf, sizeof(ulev1_conf));
+                       if (len == -1) {
+                               DropField();
+                               PrintAndLogEx(WARNING, "Error: tag didn't answer to READ EV1");
+                               return -1;
+                       } else if (len == 16) {
+                               // save AUTHENTICATION LIMITS for later:
+                               authlim = (ulev1_conf[4] & 0x07);
+                               ulev1_print_configuration(ulev1_conf, startconfigblock);
+                       }
+               }
+
+               // AUTHLIMIT, (number of failed authentications)
+               // 0 = limitless.
+               // 1-7 = limit. No automatic tries then.
+               // hasAuthKey,  if we was called with key, skip test.
+               if (!authlim && !hasAuthKey) {
+                       PrintAndLogEx(NORMAL, "\n--- Known EV1/NTAG passwords.");
+                       len = 0;
+                       for (uint8_t i = 0; i < KEYS_PWD_COUNT; ++i ) {
+                               uint8_t *key = default_pwd_pack[i];
+                               len = ulev1_requestAuthentication(key, pack, sizeof(pack));
+                               if (len >= 1) {
+                                       PrintAndLogEx(SUCCESS, "Found a default password: %s || Pack: %02X %02X", sprint_hex(key, 4), pack[0], pack[1]);
+                                       break;
+                               } else {
+                                       if (!ul_auth_select( &card, tagtype, hasAuthKey, authenticationkey, pack, sizeof(pack))) {
+                                               DropField();
+                                               return -1;
+                                       }
+                               }
+                       }
+                       if (len < 1) PrintAndLogEx(WARNING, "password not known");
+               }
+       }
+
+       DropField();
+
+       if (locked) 
+               PrintAndLogEx(FAILED, "\nTag appears to be locked, try using the key to get more info");
+       PrintAndLogEx(NORMAL, "");
+
+       return 1;

 }
 
 //
 }
 
 //

-//  Mifare Ultralight Read Single Block
+//  Write Single Block

 //
 //

-int CmdHF14AMfURdBl(const char *Cmd){
-  
-    uint8_t blockNo = -1;      
+static int usage_hf_mfu_wrbl(void) {
+       PrintAndLogEx(NORMAL, "Write a block. It autodetects card type.\n");
+       PrintAndLogEx(NORMAL, "Usage:  hf mfu wrbl b <block number> d <data> k <key> l\n");
+       PrintAndLogEx(NORMAL, "  Options:");
+       PrintAndLogEx(NORMAL, "  b <no>   : block to write");
+       PrintAndLogEx(NORMAL, "  d <data> : block data - (8 hex symbols)");
+       PrintAndLogEx(NORMAL, "  k <key>  : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
+       PrintAndLogEx(NORMAL, "  l        : (optional) swap entered key's endianness");
+       PrintAndLogEx(NORMAL, "");
+       PrintAndLogEx(NORMAL, "    sample : hf mfu wrbl b 0 d 01234567");
+       PrintAndLogEx(NORMAL, "           : hf mfu wrbl b 0 d 01234567 k AABBCCDDD\n");
+       return 0;
+}

 
 

-       char cmdp = param_getchar(Cmd, 0);
-       
-       if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {    
-        PrintAndLog("Usage:  hf mfu rdbl <block number>");
-        PrintAndLog("        sample: hfu mfu rdbl 0");
-        return 0;
-    }       
-        
-    blockNo = param_get8(Cmd, 0);
-
-    if (blockNo > MAX_ULTRA_BLOCKS){
-       PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
-       return 1;
-    }
-       
-    PrintAndLog("--block no:0x%02X (%d)", (int)blockNo, blockNo);
-    UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
-    SendCommand(&c);
-
-    UsbCommand resp;
-    if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-        uint8_t isOK    = resp.arg[0] & 0xff;
-        uint8_t * data  = resp.d.asBytes;
-               
-               PrintAndLog("isOk: %02x", isOK);
-                       
-        if (isOK)
-            PrintAndLog("Data: %s", sprint_hex(data, 4));
+
+static int CmdHF14AMfUWrBl(const char *Cmd){
+
+       int blockNo = -1;
+       bool errors = false;
+       uint8_t keybytes[16] = {0x00};
+       uint8_t *authenticationkey = keybytes;
+       int keyLen = 0;
+       bool hasAuthKey = false;
+       bool swapEndian = false;
+       uint8_t cmdp = 0;
+       uint8_t blockdata[20] = {0x00};
+
+       while(param_getchar(Cmd, cmdp) != 0x00) {
+               switch(param_getchar(Cmd, cmdp)) {
+                       case 'h':
+                       case 'H':
+                               return usage_hf_mfu_wrbl();
+                       case 'k':
+                       case 'K':
+                               keyLen = 32;
+                               errors = param_gethex_ex(Cmd, cmdp+1, authenticationkey, &keyLen);
+                               if (errors || (keyLen != 32 && keyLen != 8)) { //ul-c or ev1/ntag key length
+                                       PrintAndLogEx(ERR, "Key has incorrect length.\n");
+                                       errors = true;
+                               }
+                               cmdp += 2;
+                               keyLen /= 2;
+                               hasAuthKey = true;
+                               break;
+                       case 'b':
+                       case 'B':
+                               blockNo = param_get8(Cmd, cmdp+1);
+                               if (blockNo < 0) {
+                                       PrintAndLogEx(ERR, "Wrong block number");
+                                       errors = true;
+                               }
+                               cmdp += 2;
+                               break;
+                       case 'l':
+                       case 'L':
+                               swapEndian = true;
+                               cmdp++;
+                               break;
+                       case 'd':
+                       case 'D':
+                               if ( param_gethex(Cmd, cmdp+1, blockdata, 8) ) {
+                                       PrintAndLogEx(ERR, "Block data must include 8 HEX symbols");
+                                       errors = true;
+                                       break;
+                               }
+                               cmdp += 2;
+                               break;
+                       default:
+                               PrintAndLogEx(ERR, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                               errors = true;
+                               break;
+               }
+               //Validations
+               if(errors) return usage_hf_mfu_wrbl();
+       }
+
+       if (blockNo == -1) return usage_hf_mfu_wrbl();
+       // starting with getting tagtype
+       TagTypeUL_t tagtype = GetHF14AMfU_Type();
+       if (tagtype == UL_ERROR) {
+               return -1;
+       }
+
+       uint8_t maxblockno = 0;
+       for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++) {
+               if (tagtype & UL_TYPES_ARRAY[idx]) {
+                       maxblockno = UL_MEMORY_ARRAY[idx];
+                       break;
+               }
+       }
+       if (blockNo > maxblockno){
+               DropField();
+               PrintAndLogEx(WARNING, "block number too large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
+               return usage_hf_mfu_wrbl();
+       }
+
+       // Swap endianness
+       if (swapEndian && hasAuthKey) authenticationkey = SwapEndian64(authenticationkey, keyLen, (keyLen == 16) ? 8 : 4);
+
+       if ( blockNo <= 3)
+               PrintAndLogEx(NORMAL, "Special Block: %0d (0x%02X) [ %s]", blockNo, blockNo, sprint_hex(blockdata, 4));
+       else
+               PrintAndLogEx(NORMAL, "Block: %0d (0x%02X) [ %s]", blockNo, blockNo, sprint_hex(blockdata, 4));
+
+       //Send write Block
+       UsbCommand c = {CMD_MIFAREU_WRITEBL, {blockNo}};
+       memcpy(c.d.asBytes, blockdata, 4);
+
+       if (hasAuthKey) {
+               c.arg[1] = (keyLen == 16) ? 1 : 2;
+               memcpy(c.d.asBytes+4, authenticationkey, keyLen);
+       }
+
+       clearCommandBuffer();
+       SendCommand(&c);
+       UsbCommand resp;
+       if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+               uint8_t isOK  = resp.arg[0] & 0xff;
+               PrintAndLogEx(SUCCESS, "isOk:%02x", isOK);

        } else {
        } else {

-        PrintAndLog("Command execute timeout");
-    }
-    return 0;
+               PrintAndLogEx(ERR, "Command execute timeout");
+       }
+
+       DropField();
+       return 0;

 }
 
 }
 

+

 //
 //

-//  Mifare Ultralight / Ultralight-C;  Read and Dump Card Contents
+//  Read Single Block

 //
 //

-int CmdHF14AMfUDump(const char *Cmd){
+static int usage_hf_mfu_rdbl(void) {
+       PrintAndLogEx(NORMAL, "Read a block and print. It autodetects card type.\n");
+       PrintAndLogEx(NORMAL, "Usage:  hf mfu rdbl b <block number> k <key> l\n");
+       PrintAndLogEx(NORMAL, "  Options:");
+       PrintAndLogEx(NORMAL, "  b <no>  : block to read");
+       PrintAndLogEx(NORMAL, "  k <key> : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
+       PrintAndLogEx(NORMAL, "  l       : (optional) swap entered key's endianness");
+       PrintAndLogEx(NORMAL, "");
+       PrintAndLogEx(NORMAL, "   sample : hf mfu rdbl b 0");
+       PrintAndLogEx(NORMAL, "          : hf mfu rdbl b 0 k 00112233445566778899AABBCCDDEEFF");
+       PrintAndLogEx(NORMAL, "          : hf mfu rdbl b 0 k AABBCCDDD\n");
+       return 0;
+}

 
 

-    FILE *fout;
-       char filename[FILE_PATH_SIZE] = {0x00};
-       char * fnameptr = filename;
-       
-    uint8_t *lockbytes_t = NULL;
-    uint8_t lockbytes[2] = {0x00};
-       
-    uint8_t *lockbytes_t2 = NULL;
-    uint8_t lockbytes2[2] = {0x00};

 
 

-    bool bit[16]  = {0x00};
-       bool bit2[16] = {0x00};
-       
-    int i;
-    uint8_t BlockNo      = 0;
-    int Pages            = 16;
+static int CmdHF14AMfURdBl(const char *Cmd){

 
 

-       bool tmplockbit          = false;
-    uint8_t isOK         = 0;
-    uint8_t *data       = NULL;
+       int blockNo = -1;
+       bool errors = false;
+       uint8_t keybytes[16] = {0x00};
+       uint8_t *authenticationkey = keybytes;
+       int keyLen = 0;
+       bool hasAuthKey = false;
+       bool swapEndian = false;
+       uint8_t cmdp = 0;

 
 

-       char cmdp = param_getchar(Cmd, 0);
-       
-       if (cmdp == 'h' || cmdp == 'H') {
-               PrintAndLog("Reads all pages from Mifare Ultralight or Ultralight-C tag.");
-               PrintAndLog("It saves binary dump into the file `filename.bin` or `cardUID.bin`");              
-               PrintAndLog("Usage:  hf mfu dump <c> <filename w/o .bin>");
-               PrintAndLog("     <c>  optional cardtype c == Ultralight-C, if not defaults to Ultralight");
-               PrintAndLog("     sample: hf mfu dump");
-               PrintAndLog("           : hf mfu dump myfile");
-               PrintAndLog("           : hf mfu dump c myfile");
-               return 0;
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+                       case 'h':
+                       case 'H':
+                               return usage_hf_mfu_rdbl();
+                       case 'k':
+                       case 'K':
+                               keyLen = 32;
+                               errors = param_gethex_ex(Cmd, cmdp+1, authenticationkey, &keyLen);
+                               if (errors || (keyLen != 32 && keyLen != 8)) { //ul-c or ev1/ntag key length
+                                       PrintAndLogEx(ERR, "Key has incorrect length.\n");
+                                       errors = true;
+                               }
+                               cmdp += 2;
+                               keyLen /= 2;
+                               hasAuthKey = true;
+                               break;
+                       case 'b':
+                       case 'B':
+                               blockNo = param_get8(Cmd, cmdp+1);
+                               if (blockNo < 0) {
+                                       PrintAndLogEx(ERR, "Wrong block number");
+                                       errors = true;
+                               }
+                               cmdp += 2;
+                               break;
+                       case 'l':
+                       case 'L':
+                               swapEndian = true;
+                               cmdp++;
+                               break;
+                       default:
+                               PrintAndLogEx(WARNING, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                               errors = true;
+                               break;
+               }
+               //Validations
+               if (errors) return usage_hf_mfu_rdbl();

        }
 
        }
 

-       // UL or UL-C?
-       Pages = (cmdp == 'c' || cmdp == 'C') ? 44 : 16;
-       
-       PrintAndLog("Dumping Ultralight%s Card Data...", (Pages ==16)?"":"-C");
-       
-    UsbCommand c = {CMD_MIFAREU_READCARD, {BlockNo,Pages}};
-    SendCommand(&c);
-    UsbCommand resp;
-
-    if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-               isOK  = resp.arg[0] & 0xff;
-        if (!isOK) {                
-                       PrintAndLog("Command error");
-                       return 0;
+       if (blockNo == -1) return usage_hf_mfu_rdbl();
+       // start with getting tagtype
+       TagTypeUL_t tagtype = GetHF14AMfU_Type();
+       if (tagtype == UL_ERROR) {
+               return -1;
+       }
+
+       uint8_t maxblockno = 0;
+       for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++) {
+               if (tagtype & UL_TYPES_ARRAY[idx]) {
+                       maxblockno = UL_MEMORY_ARRAY[idx];
+                       break;
+               }
+       }
+       if (blockNo > maxblockno){
+               DropField();
+               PrintAndLogEx(WARNING, "block number to large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
+               return usage_hf_mfu_rdbl();
+       }
+
+       // Swap endianness
+       if (swapEndian) authenticationkey = SwapEndian64(authenticationkey, keyLen, (keyLen == 16) ? 8 : 4);
+
+       //Read Block
+       UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
+       if (hasAuthKey) {
+               c.arg[1] = (keyLen == 16) ? 1 : 2;
+               memcpy(c.d.asBytes, authenticationkey, keyLen);
+       }
+
+       clearCommandBuffer();
+       SendCommand(&c);
+       UsbCommand resp;
+       if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+               uint8_t isOK = resp.arg[0] & 0xff;
+               if (isOK) {
+                       uint8_t *data = resp.d.asBytes;
+                       PrintAndLogEx(NORMAL, "\n Block#  | Data        | Ascii");
+                       PrintAndLogEx(NORMAL, "---------+-------------+------");
+                       PrintAndLogEx(NORMAL, " %02d/0x%02X | %s| %s\n", blockNo, blockNo, sprint_hex(data, 4), sprint_ascii(data, 4));
+               } else {
+                       PrintAndLogEx(ERR, "Failed reading block: (%02x)", isOK);

                }
                }

-               data  = resp.d.asBytes;

        } else {
        } else {

-               PrintAndLog("Command execute timeout");
-               return 0;
+               PrintAndLogEx(ERR, "Command execute time-out");

        }
        }

-               
-       // Load lock bytes.
-       int j = 0;
-       
-       lockbytes_t = data + 8;
-       lockbytes[0] = lockbytes_t[2];
-       lockbytes[1] = lockbytes_t[3];
-       for(j = 0; j < 16; j++){
-               bit[j] = lockbytes[j/8] & ( 1 <<(7-j%8));
-       }               
-       
-       // Load bottom lockbytes if available
-       if ( Pages == 44 ) {
-               
-               lockbytes_t2 = data + (40*4);
-               lockbytes2[0] = lockbytes_t2[2];
-               lockbytes2[1] = lockbytes_t2[3];
-               for (j = 0; j < 16; j++) {
-                       bit2[j] = lockbytes2[j/8] & ( 1 <<(7-j%8));
+       DropField();
+       return 0;
+}
+
+
+//
+//  Mifare Ultralight / Ultralight-C / Ultralight-EV1
+//  Read and Dump Card Contents,  using auto detection of tag size.
+
+typedef struct {
+       uint8_t version[8];
+       uint8_t tbo[2];
+       uint8_t tbo1[1];
+       uint8_t pages;                  // max page number in dump
+       uint8_t signature[32];
+       uint8_t counter_tearing[3][4];  // 3 bytes counter, 1 byte tearing flag
+       uint8_t data[1024];
+} mfu_dump_t;
+
+
+static void printMFUdumpEx(mfu_dump_t *card, uint16_t pages, uint8_t startpage, TagTypeUL_t tagtype) {
+
+       bool tmplockbit = false;
+       bool bit[16]  = {false};
+       bool bit2[16] = {false};
+
+       // standard lock bits
+       for(int i = 0; i < 16; i++){
+               bit[i] = card->data[10+i/8] & (1 << (7-i%8));
+       }
+
+       // dynamic lock bits
+       // TODO -- FIGURE OUT LOCK BYTES FOR EV1 and/or NTAG
+       if (tagtype & UL_C) {
+               for (int i = 0; i < 16; i++) {
+                       bit2[i] = card->data[40*4+i/8] & (1 << (7-i%8));

                }
        }
 
                }
        }
 

-       for (i = 0; i < Pages; ++i) {
-               
-               if ( i < 3 ) {
-                       PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
+       PrintAndLogEx(NORMAL, "\n  Block# | Data        |lck| Ascii");
+       PrintAndLogEx(NORMAL, "---------+-------------+---+------");
+
+       for (int i = startpage; i < startpage + pages; i++) {
+               if (i < 3) {
+                       PrintAndLogEx(NORMAL, "%3d/0x%02X | %s|   | ", i, i, sprint_hex(card->data + i * 4, 4));

                        continue;
                }
                        continue;
                }

-                       

                switch(i){
                        case 3: tmplockbit = bit[4]; break;
                switch(i){
                        case 3: tmplockbit = bit[4]; break;

-                       case 4: tmplockbit = bit[3]; break;
-                       case 5: tmplockbit = bit[2]; break;
-                       case 6: tmplockbit = bit[1]; break;
-                       case 7: tmplockbit = bit[0]; break;
-                       case 8: tmplockbit = bit[15]; break;
+                       case 4: tmplockbit = bit[3]; break;
+                       case 5: tmplockbit = bit[2]; break;
+                       case 6: tmplockbit = bit[1]; break;
+                       case 7: tmplockbit = bit[0]; break;
+                       case 8: tmplockbit = bit[15]; break;

                        case 9: tmplockbit = bit[14]; break;
                        case 10: tmplockbit = bit[13]; break;
                        case 11: tmplockbit = bit[12]; break;
                        case 9: tmplockbit = bit[14]; break;
                        case 10: tmplockbit = bit[13]; break;
                        case 11: tmplockbit = bit[12]; break;


@@ -304,11 +1285,11 @@ int CmdHF14AMfUDump(const char *Cmd){
                        case 20:
                        case 21:
                        case 22:
                        case 20:
                        case 21:
                        case 22:

-                       case 23: tmplockbit = bit2[5]; break; 
+                       case 23: tmplockbit = bit2[5]; break;

                        case 24:
                        case 25:
                        case 26:
                        case 24:
                        case 25:
                        case 26:

-                       case 27: tmplockbit = bit2[4]; break;               
+                       case 27: tmplockbit = bit2[4]; break;

                        case 28:
                        case 29:
                        case 30:
                        case 28:
                        case 29:
                        case 30:


@@ -316,74 +1297,252 @@ int CmdHF14AMfUDump(const char *Cmd){
                        case 32:
                        case 33:
                        case 34:
                        case 32:
                        case 33:
                        case 34:

-                       case 35: tmplockbit = bit2[1]; break; 
+                       case 35: tmplockbit = bit2[1]; break;

                        case 36:
                        case 37:
                        case 38:
                        case 36:
                        case 37:
                        case 38:

-                       case 39: tmplockbit = bit2[0]; break; 
+                       case 39: tmplockbit = bit2[0]; break;

                        case 40: tmplockbit = bit2[12]; break;
                        case 41: tmplockbit = bit2[11]; break;
                        case 42: tmplockbit = bit2[10]; break; //auth0
                        case 43: tmplockbit = bit2[9]; break;  //auth1
                        default: break;
                }
                        case 40: tmplockbit = bit2[12]; break;
                        case 41: tmplockbit = bit2[11]; break;
                        case 42: tmplockbit = bit2[10]; break; //auth0
                        case 43: tmplockbit = bit2[9]; break;  //auth1
                        default: break;
                }

-               PrintAndLog("Block %02x:%s [%d]", i,sprint_hex(data + i * 4, 4),tmplockbit);
-       }  
-       
-       int len = 0;
-       if ( Pages == 16 )
-               len = param_getstr(Cmd,0,filename);
-       else
-               len = param_getstr(Cmd,1,filename);

 
 

-       if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE;
+               PrintAndLogEx(NORMAL, "%3d/0x%02X | %s| %d | %.4s", i, i, sprint_hex(card->data + i * 4, 4), tmplockbit, sprint_ascii(card->data + i * 4, 4));
+       }
+       PrintAndLogEx(NORMAL, "---------------------------------");
+}

 
 

-       // user supplied filename?
-       if (len < 1) {
-       
-               // UID = data 0-1-2 4-5-6-7  (skips a beat)
-               sprintf(fnameptr, "%02X", data[0]);
-               fnameptr += 2;
-               sprintf(fnameptr, "%02X", data[1]);
-               fnameptr += 2;
-               sprintf(fnameptr, "%02X", data[2]);
-               fnameptr += 2;
-               sprintf(fnameptr, "%02X", data[4]);
-               fnameptr += 2;
-               sprintf(fnameptr, "%02X", data[5]);
-               fnameptr += 2;
-               sprintf(fnameptr, "%02X", data[6]);
-               fnameptr += 2;
-               sprintf(fnameptr, "%02X", data[7]);
-               fnameptr += 2;

 
 

+static int usage_hf_mfu_dump(void) {
+       PrintAndLogEx(NORMAL, "Reads all pages from Ultralight, Ultralight-C, Ultralight EV1");
+       PrintAndLogEx(NORMAL, "NTAG 203, NTAG 210, NTAG 212, NTAG 213, NTAG 215, NTAG 216");
+       PrintAndLogEx(NORMAL, "and saves binary dump into the file `filename.bin` or `cardUID.bin`");
+       PrintAndLogEx(NORMAL, "It autodetects card type.\n");
+       PrintAndLogEx(NORMAL, "Usage:  hf mfu dump k <key> l n <filename w/o .bin>");
+       PrintAndLogEx(NORMAL, "  Options : ");
+       PrintAndLogEx(NORMAL, "  k <key> : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
+       PrintAndLogEx(NORMAL, "  l       : (optional) swap entered key's endianness");
+       PrintAndLogEx(NORMAL, "  f <FN > : filename w/o .bin to save the dump as");
+       PrintAndLogEx(NORMAL, "  p <Pg > : starting Page number to manually set a page to start the dump at");
+       PrintAndLogEx(NORMAL, "  q <qty> : number of Pages to manually set how many pages to dump");
+
+       PrintAndLogEx(NORMAL, "");
+       PrintAndLogEx(NORMAL, "   sample : hf mfu dump");
+       PrintAndLogEx(NORMAL, "          : hf mfu dump n myfile");
+       PrintAndLogEx(NORMAL, "          : hf mfu dump k 00112233445566778899AABBCCDDEEFF");
+       PrintAndLogEx(NORMAL, "          : hf mfu dump k AABBCCDDD\n");
+       return 0;
+}
+
+
+static int CmdHF14AMfUDump(const char *Cmd){
+
+       char filename[FILE_PATH_SIZE] = {'\0'};
+       size_t fileNameLen = 0;
+       uint8_t keybytes[16] = {0x00};
+       uint8_t *authenticationkey = keybytes;
+       int keyLen = 0;
+       bool hasAuthKey = false;
+       uint8_t cmdp = 0;
+       bool errors = false;
+       bool swapEndian = false;
+       bool manualPages = false;
+       uint8_t startPage = 0;
+       int Pages = 16;
+       iso14a_card_select_t card_select;
+       mfu_dump_t card;
+
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+               case 'h':
+               case 'H':
+                       return usage_hf_mfu_dump();
+               case 'k':
+               case 'K':
+                       keyLen = 32;
+                       errors = param_gethex_ex(Cmd, cmdp+1, authenticationkey, &keyLen);
+                       if (errors || (keyLen != 32 && keyLen != 8)) { //ul-c or ev1/ntag key length
+                               PrintAndLogEx(ERR, "Key has incorrect length.\n");
+                               errors = true;
+                       }
+                       cmdp += 2;
+                       keyLen /= 2;
+                       hasAuthKey = true;
+                       break;
+               case 'l':
+               case 'L':
+                       swapEndian = true;
+                       cmdp++;
+                       break;
+               case 'f':
+               case 'F':
+                       fileNameLen = param_getstr(Cmd, cmdp+1, filename, sizeof(filename));
+                       if (fileNameLen == 0) errors = true;
+                       if (fileNameLen > FILE_PATH_SIZE-5) fileNameLen = FILE_PATH_SIZE-5;
+                       cmdp += 2;
+                       break;
+               case 'p':
+               case 'P':
+                       startPage = param_get8(Cmd, cmdp+1);
+                       manualPages = true;
+                       cmdp += 2;
+                       break;
+               case 'q':
+               case 'Q':
+                       Pages = param_get8(Cmd, cmdp+1);
+                       cmdp += 2;
+                       manualPages = true;
+                       break;
+               default:
+                       PrintAndLogEx(ERR, "Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                       errors = true;
+                       break;
+               }
+               if (errors) break;
+       }
+
+       //Validations
+       if (errors) return usage_hf_mfu_dump();
+
+       if (swapEndian && hasAuthKey)
+               authenticationkey = SwapEndian64(authenticationkey, keyLen, (keyLen == 16) ? 8 : 4);
+
+       TagTypeUL_t tagtype = GetHF14AMfU_Type();
+
+       if (tagtype == UL_ERROR) {
+               return -1;
+       }
+
+       uint8_t maxPages = 0;
+       for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++) {
+               if (tagtype & UL_TYPES_ARRAY[idx]) {
+                       maxPages = UL_MEMORY_ARRAY[idx]+1; //add one as maxblks starts at 0
+                       break;
+               }
+       }
+
+       if (!manualPages) {
+               Pages = maxPages;

        } else {
        } else {

-               fnameptr += len;
+               if (startPage + Pages - 1 > maxPages - 1) {
+                       PrintAndLogEx(ERR, "Invalid page range. Card has only %d readable pages.", maxPages);
+                       DropField();
+                       return 1;
+               }

        }
 
        }
 

-       // add file extension
-       sprintf(fnameptr, ".bin"); 
+       ul_print_type(tagtype, 0);
+
+       PrintAndLogEx(NORMAL, "Reading tag memory...");
+       memset(&card, 0x00, sizeof(card));
+       UsbCommand c = {CMD_MIFAREU_READCARD, {startPage, Pages}};
+       if (hasAuthKey) {
+               if (tagtype & UL_C)
+                       c.arg[2] = 1; //UL_C auth
+               else
+                       c.arg[2] = 2; //UL_EV1/NTAG auth
+               memcpy(c.d.asBytes, authenticationkey, keyLen);
+       }

 
 

-       if ((fout = fopen(filename,"wb")) == NULL) { 
-               PrintAndLog("Could not create file name %s", filename);
-               return 1;       
+       clearCommandBuffer();
+       SendCommand(&c);
+       UsbCommand resp;
+       if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+               PrintAndLogEx(ERR, "Command execution timeout");
+               DropField();
+               return 1;

        }
        }

-       fwrite( data, 1, Pages*4, fout );
-       fclose(fout);
+       if (resp.arg[0] != 1) {
+               PrintAndLogEx(ERR, "Failed reading card");
+               DropField();
+               return 1;
+       }
+
+       uint32_t startindex = resp.arg[2];
+       uint32_t bufferSize = resp.arg[1];
+       if (bufferSize > sizeof(card.data)) {
+               PrintAndLogEx(FAILED, "Data exceeded Buffer size!");
+               bufferSize = sizeof(card.data);
+       }
+
+       if (!GetFromBigBuf(card.data + startPage*4, bufferSize, startindex, NULL, -1, false)) {
+               PrintAndLogEx(ERR, "Command execution timeout");
+               DropField();
+               return 1;
+       }
+
+       // not ul_c and not std ul then attempt to collect
+       //  VERSION, SIGNATURE, COUNTERS, TEARING, PACK
+       if (!(tagtype & UL_C || tagtype & UL)) {
+               //attempt to read pack
+               if (!ul_auth_select(&card_select, tagtype, true, authenticationkey, card.data + maxPages*4 - 4, 2)) {
+                       //reset pack
+                       card.data[maxPages*4 - 4] = 0;
+                       card.data[maxPages*4 - 3] = 0;
+               }
+
+               if (hasAuthKey) {
+                       uint8_t dummy_pack[2];
+                       ul_auth_select(&card_select, tagtype, hasAuthKey, authenticationkey, dummy_pack, sizeof(dummy_pack));
+               } else {
+                       ul_select(&card_select, false);
+               }
+               ulev1_getVersion(card.version, sizeof(card.version));
+               for (uint8_t n = 0; n < 3; ++n) {
+                       ulev1_readTearing(n, &card.counter_tearing[n][3], 1);
+                       ulev1_readCounter(n, &card.counter_tearing[n][0], 3);
+               }
+
+               ulev1_readSignature(card.signature, sizeof(card.signature));
+       }
+
+       DropField();

        
        

-       PrintAndLog("Dumped %d pages, wrote %d bytes to %s", Pages, Pages*4, filename);
-    return 0;
-}
+       // add key to dump data
+       if (hasAuthKey) {
+               authenticationkey = SwapEndian64(authenticationkey, keyLen, (keyLen == 16) ? 8 : 4);
+               if (tagtype & UL_C){ // additional 4 pages
+                       memcpy(card.data + maxPages*4, authenticationkey, keyLen);
+                       maxPages += 4;
+               } else { // 2nd page from end
+                       memcpy(card.data + (maxPages*4) - 8, authenticationkey, 4);
+               }
+       }
+
+       printMFUdumpEx(&card, Pages, startPage, tagtype);
+
+       if (!manualPages) {
+               // user supplied filename?
+               if (fileNameLen < 1) {
+                       char *fptr = filename;
+                       fptr += sprintf(fptr, "hf-mfu-");
+                       uint8_t UID[] = {card.data[0], card.data[1], card.data[2], card.data[4], card.data[5], card.data[6], card.data[7]};
+                       FillFileNameByUID(fptr, UID, "-dump.bin", 7);
+               } else {
+                       sprintf(filename + fileNameLen, ".bin");
+               }

 
 

-// Needed to Authenticate to Ultralight C tags
-void rol (uint8_t *data, const size_t len){
-    uint8_t first = data[0];
-    for (size_t i = 0; i < len-1; i++) {
-        data[i] = data[i+1];
-    }
-    data[len-1] = first;
+#define MFU_DUMP_PREFIX_LENGTH (sizeof(card) - sizeof(card.data))
+
+               FILE *fout;
+               if ((fout = fopen(filename, "wb")) == NULL) {
+                       PrintAndLogEx(ERR, "Could not create file name %s", filename);
+                       return 1;
+               }
+               fwrite(&card, 1, MFU_DUMP_PREFIX_LENGTH + maxPages*4, fout);
+               fclose(fout);
+
+               PrintAndLogEx(SUCCESS, "Dumped %d pages, wrote %d bytes to %s", maxPages, MFU_DUMP_PREFIX_LENGTH + maxPages*4, filename);
+       }
+
+       return 0;

 }
 
 }
 

+

 //-------------------------------------------------------------------------------
 // Ultralight C Methods
 //-------------------------------------------------------------------------------
 //-------------------------------------------------------------------------------
 // Ultralight C Methods
 //-------------------------------------------------------------------------------


@@ -391,259 +1550,311 @@ void rol (uint8_t *data, const size_t len){
 //
 // Ultralight C Authentication Demo {currently uses hard-coded key}
 //
 //
 // Ultralight C Authentication Demo {currently uses hard-coded key}
 //

-int CmdHF14AMfucAuth(const char *Cmd){
-        
-    uint8_t blockNo = 0, keyNo = 0;
-    uint8_t e_RndB[8] = {0x00};
-    uint32_t cuid = 0;
-    unsigned char RndARndB[16] = {0x00};
-    uint8_t key[16] = {0x00};
-    DES_cblock RndA, RndB;
-    DES_cblock iv;
-    DES_key_schedule ks1,ks2;
-    DES_cblock key1,key2;
+static int CmdHF14AMfucAuth(const char *Cmd){
+
+       uint8_t keyNo = 3;
+       bool errors = false;

 
        char cmdp = param_getchar(Cmd, 0);
 
        char cmdp = param_getchar(Cmd, 0);

-       // 
-       memset(iv, 0, 8);
-       
-    if (cmdp == 'h' || cmdp == 'H') {
-        PrintAndLog("Usage:  hf mfu cauth k <key number>");
-               PrintAndLog("      1 = all zeros key");
-               PrintAndLog("      2 = 0x00-0x0F key");
-               PrintAndLog("      3 = nfc key");
-               PrintAndLog("      4 = all ones key");
-               PrintAndLog("      defaults to 3DES standard key");
-        PrintAndLog("        sample : hf mfu cauth k");
-               PrintAndLog("               : hf mfu cauth k 3");
-        return 0;
-    } 
-    
-    //Change key to user defined one
-    if (cmdp == 'k' || cmdp == 'K'){

 
 

+       //Change key to user defined one
+       if (cmdp == 'k' || cmdp == 'K'){

                keyNo = param_get8(Cmd, 1);
                keyNo = param_get8(Cmd, 1);

-        
-               switch(keyNo){
-            case 0:
-                memcpy(key,key1_blnk_data,16);
-                break;
-            case 1:
-                memcpy(key,key2_defa_data,16);
-                break;
-                       case 2: 
-                memcpy(key,key4_nfc_data,16);
-                break;
-                       case 3: 
-                               memcpy(key,key5_ones_data,16);
-                break;
-            default:
-                memcpy(key,key3_3des_data,16);
-                break;
-        }
-    } else {
-        memcpy(key,key3_3des_data,16);  
-    }
-       
-    memcpy(key1,key,8);
-    memcpy(key2,key+8,8);
-    DES_set_key((DES_cblock *)key1,&ks1);
-    DES_set_key((DES_cblock *)key2,&ks2);
-        
-       //Auth1
-       UsbCommand c = {CMD_MIFAREUC_AUTH1, {blockNo}};
-       SendCommand(&c);
-       UsbCommand resp;
-       if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-               uint8_t isOK  = resp.arg[0] & 0xff;
-               cuid  = resp.arg[1];
-               uint8_t * data= resp.d.asBytes;
+               if(keyNo > KEYS_3DES_COUNT-1)
+                       errors = true;
+       }

 
 

-               if (isOK){
-                       PrintAndLog("enc(RndB):%s", sprint_hex(data+1, 8));
-                       memcpy(e_RndB,data+1,8);
-               } else {
-                       return 2; // auth failed.
-               }               
+       if (cmdp == 'h' || cmdp == 'H')
+               errors = true;
+
+       if (errors) {
+               PrintAndLogEx(NORMAL, "Usage:  hf mfu cauth k <key number>");
+               PrintAndLogEx(NORMAL, "      0 (default): 3DES standard key");
+               PrintAndLogEx(NORMAL, "      1 : all 0x00 key");
+               PrintAndLogEx(NORMAL, "      2 : 0x00-0x0F key");
+               PrintAndLogEx(NORMAL, "      3 : nfc key");
+               PrintAndLogEx(NORMAL, "      4 : all 0x01 key");
+               PrintAndLogEx(NORMAL, "      5 : all 0xff key");
+               PrintAndLogEx(NORMAL, "      6 : 0x00-0xFF key");
+               PrintAndLogEx(NORMAL, "\n      sample : hf mfu cauth k");
+               PrintAndLogEx(NORMAL, "               : hf mfu cauth k 3");
+               return 0;
+       }
+
+       uint8_t *key = default_3des_keys[keyNo];
+       if (ulc_authentication(key, true)) {
+               DropField();
+               PrintAndLogEx(SUCCESS, "Authentication successful. 3des key: %s",sprint_hex(key, 16));

        } else {
        } else {

-               PrintAndLog("Command execute timeout");
+               DropField();
+               PrintAndLogEx(WARNING, "Authentication failed");
+       }
+       return 0;
+}
+
+
+//
+// Mifare Ultralight C - Set password
+//
+static int CmdHF14AMfucSetPwd(const char *Cmd){
+
+       uint8_t pwd[16] = {0x00};
+
+       char cmdp = param_getchar(Cmd, 0);
+
+       if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLogEx(NORMAL, "Usage:  hf mfu setpwd <password (32 hex symbols)>");
+               PrintAndLogEx(NORMAL, "       [password] - (32 hex symbols)");
+               PrintAndLogEx(NORMAL, "");
+               PrintAndLogEx(NORMAL, "sample: hf mfu setpwd 000102030405060708090a0b0c0d0e0f");
+               PrintAndLogEx(NORMAL, "");
+               return 0;
+       }
+
+       if (param_gethex(Cmd, 0, pwd, 32)) {
+               PrintAndLogEx(WARNING, "Password must include 32 HEX symbols");

                return 1;
        }
                return 1;
        }

-       
-    //Do crypto magic
-    DES_random_key(&RndA);
-    DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
-    PrintAndLog("     RndB:%s",sprint_hex(RndB, 8));
-    PrintAndLog("     RndA:%s",sprint_hex(RndA, 8));
-    rol(RndB,8);
-    memcpy(RndARndB,RndA,8);
-    memcpy(RndARndB+8,RndB,8);
-    PrintAndLog("     RA+B:%s",sprint_hex(RndARndB, 16));
-    DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
-    PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
-
-    //Auth2
-    UsbCommand d = {CMD_MIFAREUC_AUTH2, {cuid}};
-    memcpy(d.d.asBytes,RndARndB, 16);
-    SendCommand(&d);
-
-       UsbCommand respb;
-       if (WaitForResponseTimeout(CMD_ACK,&respb,1500)) {
-               uint8_t  isOK  = respb.arg[0] & 0xff;
-               uint8_t * data2= respb.d.asBytes;
-
-               if (isOK){
-                       PrintAndLog("enc(RndA'):%s", sprint_hex(data2+1, 8));
+
+       UsbCommand c = {CMD_MIFAREUC_SETPWD};
+       memcpy( c.d.asBytes, pwd, 16);
+       clearCommandBuffer();
+       SendCommand(&c);
+
+       UsbCommand resp;
+
+       if (WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) {
+               DropField();
+               if ((resp.arg[0] & 0xff) == 1) {
+                       PrintAndLogEx(INFO, "Ultralight-C new password: %s", sprint_hex(pwd,16));
+                       return 0;

                } else {
                } else {

-                       return 2;
+                       PrintAndLogEx(ERR, "Failed writing at block %d", resp.arg[1] & 0xff);
+                       return 1;

                }
                }

-               

        } else {
        } else {

-               PrintAndLog("Command execute timeout");
+               DropField();
+               PrintAndLogEx(ERR, "command execution timeout");

                return 1;
                return 1;

-       } 
-    return 0;
+       }
+
+       return 0;

 }
 
 //
 }
 
 //

-// Ultralight C Read Single Block
+// Magic UL / UL-C tags  - Set UID

 //
 //

-int CmdHF14AMfUCRdBl(const char *Cmd)
-{
-    uint8_t blockNo = -1;
-       char cmdp = param_getchar(Cmd, 0);
-       
-       if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
-        PrintAndLog("Usage:  hf mfu crdbl  <block number>");
-        PrintAndLog("        sample: hf mfu crdbl 0");
-        return 0;
-    }       
-        
-    blockNo = param_get8(Cmd, 0);
-       if (blockNo < 0) {
-               PrintAndLog("Wrong block number");
+static int CmdHF14AMfucSetUid(const char *Cmd){
+
+       UsbCommand c;
+       UsbCommand resp;
+       uint8_t uid[7] = {0x00};
+       char cmdp = param_getchar(Cmd, 0);
+
+       if (strlen(Cmd) == 0  || cmdp == 'h' || cmdp == 'H') {
+               PrintAndLogEx(NORMAL, "Usage:  hf mfu setuid <uid (14 hex symbols)>");
+               PrintAndLogEx(NORMAL, "       [uid] - (14 hex symbols)");
+               PrintAndLogEx(NORMAL, "\nThis only works for Magic Ultralight tags.");
+               PrintAndLogEx(NORMAL, "");
+               PrintAndLogEx(NORMAL, "sample: hf mfu setuid 11223344556677");
+               PrintAndLogEx(NORMAL, "");
+               return 0;
+       }
+
+       if (param_gethex(Cmd, 0, uid, 14)) {
+               PrintAndLogEx(WARNING, "UID must include 14 HEX symbols");

                return 1;
        }
                return 1;
        }

-       
-    if (blockNo > MAX_ULTRAC_BLOCKS ){
-        PrintAndLog("Error: Maximum number of readable blocks is 47 for Ultralight-C Cards!");
-        return 1;
-    } 
-       
-    PrintAndLog("--block no: 0x%02X (%d)", (int)blockNo, blockNo);
-
-    //Read Block
-    UsbCommand e = {CMD_MIFAREU_READBL, {blockNo}};
-    SendCommand(&e);
-    UsbCommand resp_c;
-    if (WaitForResponseTimeout(CMD_ACK,&resp_c,1500)) {
-        uint8_t isOK = resp_c.arg[0] & 0xff;
-        uint8_t *data = resp_c.d.asBytes;
-               
-               PrintAndLog("isOk: %02x", isOK);
-        if (isOK)
-            PrintAndLog("Data: %s", sprint_hex(data, 4));
-                       
-       } else {
-               PrintAndLog("Command execute timeout");
+
+       // read block2.
+       c.cmd = CMD_MIFAREU_READBL;
+       c.arg[0] = 2;
+       clearCommandBuffer();
+       SendCommand(&c);
+       if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+               DropField();
+               PrintAndLogEx(WARNING, "Command execute timeout");
+               return 2;
+       }
+
+       // save old block2.
+       uint8_t oldblock2[4] = {0x00};
+       memcpy(resp.d.asBytes, oldblock2, 4);
+
+       // block 0.
+       c.cmd = CMD_MIFAREU_WRITEBL;
+       c.arg[0] = 0;
+       c.d.asBytes[0] = uid[0];
+       c.d.asBytes[1] = uid[1];
+       c.d.asBytes[2] = uid[2];
+       c.d.asBytes[3] =  0x88 ^ uid[0] ^ uid[1] ^ uid[2];
+       clearCommandBuffer();
+       SendCommand(&c);
+       if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+               DropField();
+               PrintAndLogEx(WARNING, "Command execute timeout");
+               return 3;

        }
        }

-    return 0;
+
+       // block 1.
+       c.arg[0] = 1;
+       c.d.asBytes[0] = uid[3];
+       c.d.asBytes[1] = uid[4];
+       c.d.asBytes[2] = uid[5];
+       c.d.asBytes[3] = uid[6];
+       clearCommandBuffer();
+       SendCommand(&c);
+       if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) {
+               DropField();
+               PrintAndLogEx(WARNING, "Command execute timeout");
+               return 4;
+       }
+
+       // block 2.
+       c.arg[0] = 2;
+       c.d.asBytes[0] = uid[3] ^ uid[4] ^ uid[5] ^ uid[6];
+       c.d.asBytes[1] = oldblock2[1];
+       c.d.asBytes[2] = oldblock2[2];
+       c.d.asBytes[3] = oldblock2[3];
+       clearCommandBuffer();
+       SendCommand(&c);
+       if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500) ) {
+               DropField();
+               PrintAndLogEx(WARNING, "Command execute timeout");
+               return 5;
+       }
+
+       DropField();
+       return 0;

 }
 
 }
 

-//
-//  Mifare Ultralight C Write Single Block
-//
-int CmdHF14AMfUCWrBl(const char *Cmd){
-    
-    uint8_t blockNo = -1;
-    bool chinese_card = FALSE;
-    uint8_t bldata[16] = {0x00};
-    UsbCommand resp;
-
-       char cmdp = param_getchar(Cmd, 0);
-       
-       if (strlen(Cmd) < 3 || cmdp == 'h' || cmdp == 'H') {    
-        PrintAndLog("Usage:  hf mfu cwrbl <block number> <block data (8 hex symbols)> [w]");
-               PrintAndLog("       [block number]");
-               PrintAndLog("       [block data] - (8 hex symbols)");
-               PrintAndLog("       [w] - Chinese magic ultralight tag");
-               PrintAndLog("");
-        PrintAndLog("        sample: hf mfu cwrbl 0 01020304");
-               PrintAndLog("");
-        return 0;
-    }
-       
-    blockNo = param_get8(Cmd, 0);
-    if (blockNo > MAX_ULTRAC_BLOCKS ){
-        PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C Cards!");
-        return 1;
-    }
-       
-    if (param_gethex(Cmd, 1, bldata, 8)) {
-        PrintAndLog("Block data must include 8 HEX symbols");
-        return 1;
-    }
-       
-    if (strchr(Cmd,'w') != 0  || strchr(Cmd,'W') != 0 ) {
-        chinese_card = TRUE; 
-    }
-       
-       if ( blockNo <= 3 ) {
-               if (!chinese_card){
-                        PrintAndLog("Access Denied");  
-               } else {
-                       PrintAndLog("--Special block no: 0x%02x", blockNo);
-                       PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
-                       UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}};
-                       memcpy(d.d.asBytes,bldata, 4);
-                       SendCommand(&d);
-                       if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-                               uint8_t isOK  = resp.arg[0] & 0xff;
-                               PrintAndLog("isOk:%02x", isOK);
-                       } else {
-                               PrintAndLog("Command execute timeout");
-                       }  
-               }       
-       } else {
-            PrintAndLog("--Block no : 0x%02x", blockNo);
-            PrintAndLog("--Data: %s", sprint_hex(bldata, 4));          
-            UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}};
-            memcpy(e.d.asBytes,bldata, 4);
-            SendCommand(&e);
-            if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-                uint8_t isOK  = resp.arg[0] & 0xff;
-                PrintAndLog("isOk : %02x", isOK);
-            } else {
-                PrintAndLog("Command execute timeout");
-            }
+
+static int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
+
+       uint8_t iv[8] = { 0x00 };
+       uint8_t block = 0x07;
+
+       // UL-EV1
+       //04 57 b6 e2 05 3f 80 UID
+       //4a f8 4b 19   PWD
+       uint8_t uid[] = { 0xF4,0xEA, 0x54, 0x8E };
+       uint8_t mifarekeyA[] = { 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5 };
+       uint8_t mifarekeyB[] = { 0xB0,0xB1,0xB2,0xB3,0xB4,0xB5 };
+       uint8_t dkeyA[8] = { 0x00 };
+       uint8_t dkeyB[8] = { 0x00 };
+
+       uint8_t masterkey[] = { 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xdd,0xee,0xff };
+
+       uint8_t mix[8] = { 0x00 };
+       uint8_t divkey[8] = { 0x00 };
+
+       memcpy(mix, mifarekeyA, 4);
+
+       mix[4] = mifarekeyA[4] ^ uid[0];
+       mix[5] = mifarekeyA[5] ^ uid[1];
+       mix[6] = block ^ uid[2];
+       mix[7] = uid[3];
+
+       mbedtls_des3_context ctx = { {0} };
+       mbedtls_des3_set2key_enc(&ctx, masterkey);
+
+       mbedtls_des3_crypt_cbc(&ctx  // des3_context
+               , MBEDTLS_DES_ENCRYPT    // int mode
+               , sizeof(mix)    // length
+               , iv             // iv[8]
+               , mix            // input
+               , divkey         // output
+               );
+
+       PrintAndLogEx(NORMAL, "-- 3DES version");
+       PrintAndLogEx(NORMAL, "Masterkey    :\t %s", sprint_hex(masterkey,sizeof(masterkey)));
+       PrintAndLogEx(NORMAL, "UID          :\t %s", sprint_hex(uid, sizeof(uid)));
+       PrintAndLogEx(NORMAL, "Block        :\t %0d", block);
+       PrintAndLogEx(NORMAL, "Mifare key   :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
+       PrintAndLogEx(NORMAL, "Message      :\t %s", sprint_hex(mix, sizeof(mix)));
+       PrintAndLogEx(NORMAL, "Diversified key: %s", sprint_hex(divkey+1, 6));
+
+       for (int i=0; i < sizeof(mifarekeyA); ++i){
+               dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
+               dkeyA[6] |=  ((mifarekeyA[i] >> 7) & 1) << (i+1);
+       }
+
+       for (int i=0; i < sizeof(mifarekeyB); ++i){
+               dkeyB[1] |=  ((mifarekeyB[i] >> 7) & 1) << (i+1);
+               dkeyB[2+i] = (mifarekeyB[i] << 1) & 0xff;

        }
        }

+
+       uint8_t zeros[8] = {0x00};
+       uint8_t newpwd[8] = {0x00};
+       uint8_t dmkey[24] = {0x00};
+       memcpy(dmkey, dkeyA, 8);
+       memcpy(dmkey+8, dkeyB, 8);
+       memcpy(dmkey+16, dkeyA, 8);
+       memset(iv, 0x00, 8);
+
+       mbedtls_des3_set3key_enc(&ctx, dmkey);
+
+       mbedtls_des3_crypt_cbc(&ctx  // des3_context
+               , MBEDTLS_DES_ENCRYPT    // int mode
+               , sizeof(newpwd) // length
+               , iv             // iv[8]
+               , zeros         // input
+               , newpwd         // output
+               );
+
+       PrintAndLogEx(NORMAL, "\n-- DES version");
+       PrintAndLogEx(NORMAL, "Mifare dkeyA :\t %s", sprint_hex(dkeyA, sizeof(dkeyA)));
+       PrintAndLogEx(NORMAL, "Mifare dkeyB :\t %s", sprint_hex(dkeyB, sizeof(dkeyB)));
+       PrintAndLogEx(NORMAL, "Mifare ABA   :\t %s", sprint_hex(dmkey, sizeof(dmkey)));
+       PrintAndLogEx(NORMAL, "Mifare Pwd   :\t %s", sprint_hex(newpwd, sizeof(newpwd)));
+

        return 0;
 }
 
        return 0;
 }
 

+// static uint8_t * diversify_key(uint8_t * key){
+
+ // for(int i=0; i<16; i++){
+   // if(i<=6) key[i]^=cuid[i];
+   // if(i>6) key[i]^=cuid[i%7];
+ // }
+ // return key;
+// }
+
+// static void GenerateUIDe( uint8_t *uid, uint8_t len){
+       // for (int i=0; i<len; ++i){
+
+       // }
+       // return;
+// }
+

 //------------------------------------
 // Menu Stuff
 //------------------------------------
 //------------------------------------
 // Menu Stuff
 //------------------------------------

+static int CmdHelp(const char *Cmd);
+

 static command_t CommandTable[] =
 {
 static command_t CommandTable[] =
 {

-    {"help",   CmdHelp,                        1,"This help"},
-    {"dbg",            CmdHF14AMfDbg,          0,"Set default debug mode"},
-       {"info",        CmdHF14AMfUInfo,        0,"Taginfo"},
-       {"dump",        CmdHF14AMfUDump,        0,"Dump MIFARE Ultralight / Ultralight-C tag to binary file"},
-    {"rdbl",   CmdHF14AMfURdBl,        0,"Read block - MIFARE Ultralight"},
-    {"wrbl",   CmdHF14AMfUWrBl,        0,"Write block - MIFARE Ultralight"},    
-    {"crdbl",  CmdHF14AMfUCRdBl,       0,"Read block - MIFARE Ultralight C"},
-    {"cwrbl",  CmdHF14AMfUCWrBl,       0,"Write MIFARE Ultralight C block"},   
-       {"cauth",       CmdHF14AMfucAuth,       0,"try a Ultralight C Authentication"},
-    {NULL, NULL, 0, NULL}
+       {"help",    CmdHelp,                   1, "This help"},
+       {"dbg",     CmdHF14AMfDbg,             0, "Set default debug mode"},
+       {"info",    CmdHF14AMfUInfo,           0, "Tag information"},
+       {"dump",    CmdHF14AMfUDump,           0, "Dump Ultralight / Ultralight-C / NTAG tag to binary file"},
+       // {"restore", CmdHF14AMfURestore,        0, "Restore a dump onto a MFU MAGIC tag"},
+       {"rdbl",    CmdHF14AMfURdBl,           0, "Read block"},
+       {"wrbl",    CmdHF14AMfUWrBl,           0, "Write block"},
+       {"cauth",   CmdHF14AMfucAuth,          0, "Authentication    - Ultralight C"},
+       {"setpwd",  CmdHF14AMfucSetPwd,        0, "Set 3des password - Ultralight-C"},
+       {"setuid",  CmdHF14AMfucSetUid,        0, "Set UID - MAGIC tags only"},
+       {"gen",     CmdHF14AMfuGenDiverseKeys, 1, "Generate 3des mifare diversified keys"},
+       {NULL, NULL, 0, NULL}

 };
 
 int CmdHFMFUltra(const char *Cmd){
 };
 
 int CmdHFMFUltra(const char *Cmd){

-    WaitForResponseTimeout(CMD_ACK,NULL,100);
-    CmdsParse(CommandTable, Cmd);
-    return 0;
+       (void)WaitForResponseTimeout(CMD_ACK,NULL,100);
+       CmdsParse(CommandTable, Cmd);
+       return 0;

 }
 
 }
 

-int CmdHelp(const char *Cmd){
-    CmdsHelp(CommandTable);
-    return 0;
-}
\ No newline at end of file
+static int CmdHelp(const char *Cmd){
+       CmdsHelp(CommandTable);
+       return 0;
+}