]> cvs.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhfmfu.c
fixing iso14443b (issue #103):
[proxmark3-svn] / client / cmdhfmfu.c
index 07c379bc0d63c5ffc77540384ea4246199b231a3..5d211558e2f3a1049de46bbbfa62dc5c22980804 100644 (file)
@@ -102,17 +102,20 @@ char *getUlev1CardSizeStr( uint8_t fsize ){
 
 static void ul_switch_on_field(void) {
        UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
+       clearCommandBuffer();
        SendCommand(&c);
 }
 
 void ul_switch_off_field(void) {
        UsbCommand c = {CMD_READER_ISO_14443a, {0, 0, 0}};
+       clearCommandBuffer();
        SendCommand(&c);
 }
 
 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;
@@ -129,6 +132,7 @@ static int ul_send_cmd_raw_crc( uint8_t *cmd, uint8_t cmdlen, uint8_t *response,
                c.arg[0] |= ISO14A_APPEND_CRC;
 
        memcpy(c.d.asBytes, cmd, cmdlen);       
+       clearCommandBuffer();
        SendCommand(&c);
        UsbCommand resp;
        if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) return -1;
@@ -193,6 +197,7 @@ 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;
@@ -279,7 +284,7 @@ static int ul_print_default( uint8_t *data){
        uid[6] = data[7];
 
        PrintAndLog("       UID : %s ", sprint_hex(uid, 7));
-       PrintAndLog("    UID[0] : %02X, Manufacturer: %s",  uid[0], getTagInfo(uid[0]) );
+       PrintAndLog("    UID[0] : %02X, %s",  uid[0], getTagInfo(uid[0]) );
        if ( uid[0] == 0x05 ) {
                uint8_t chip = (data[8] & 0xC7); // 11000111  mask, bit 3,4,5 RFU
                switch (chip){
@@ -839,105 +844,243 @@ int CmdHF14AMfUInfo(const char *Cmd){
 }
 
 //
-//  Mifare Ultralight Write Single Block
+//  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);
+       int blockNo = -1;
+       bool errors = false;
+       bool hasAuthKey = false;
+       bool hasPwdKey = false;
+       bool swapEndian = false;
 
-       if (blockNo > MAX_UL_BLOCKS){
-               PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight Cards!");
-               return 1;
+       uint8_t cmdp = 0;
+       uint8_t keylen = 0;
+       uint8_t blockdata[20] = {0x00};
+       uint8_t data[16] = {0x00};
+       uint8_t authenticationkey[16] = {0x00};
+       uint8_t *authKeyPtr = authenticationkey;
+
+       // starting with getting tagtype
+       TagTypeUL_t tagtype = GetHF14AMfU_Type();
+       if (tagtype == UL_ERROR) return -1;
+
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+                       case 'h':
+                       case 'H':
+                               return usage_hf_mfu_wrbl();
+                       case 'k':
+                       case 'K':
+                               // EV1/NTAG size key
+                               keylen = param_gethex(Cmd, cmdp+1, data, 8);
+                               if ( !keylen ) {
+                                       memcpy(authenticationkey, data, 4);
+                                       cmdp += 2;
+                                       hasPwdKey = true;
+                                       break;
+                               }
+                               // UL-C size key        
+                               keylen = param_gethex(Cmd, cmdp+1, data, 32);
+                               if (!keylen){
+                                       memcpy(authenticationkey, data, 16);
+                                       cmdp += 2;
+                                       hasAuthKey = true;
+                                       break;
+                               }
+                               PrintAndLog("\nERROR: Key is incorrect length\n");
+                               errors = true; 
+                               break;
+                       case 'b':
+                       case 'B':
+                               blockNo = param_get8(Cmd, cmdp+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];
+                               }
+               
+                               if (blockNo < 0) {
+                                       PrintAndLog("Wrong block number");
+                                       errors = true;
+                               }
+                               if (blockNo > maxblockno){
+                                       PrintAndLog("block number too large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
+                                       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) ) {
+                                       PrintAndLog("Block data must include 8 HEX symbols");
+                                       errors = true;
+                                       break;
+                               }
+                               cmdp += 2;
+                               break;
+                       default:
+                               PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                               errors = true;
+                               break;
+               }
+               //Validations
+               if(errors) return usage_hf_mfu_wrbl();
        }
-       
-       if (param_gethex(Cmd, 1, bldata, 8)) {
-               PrintAndLog("Block data must include 8 HEX symbols");
-               return 1;
+
+       if ( blockNo == -1 ) return usage_hf_mfu_wrbl();
+
+       // Swap endianness 
+       if (swapEndian && hasAuthKey) authKeyPtr = SwapEndian64(authenticationkey, 16, 8);
+       if (swapEndian && hasPwdKey)  authKeyPtr = SwapEndian64(authenticationkey, 4, 4);
+
+       if ( blockNo <= 3)
+               PrintAndLog("Special Block: %0d (0x%02X) [ %s]", blockNo, blockNo, sprint_hex(blockdata, 4));
+       else
+               PrintAndLog("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] = 1;
+               memcpy(c.d.asBytes+4,authKeyPtr,16);
        }
-       
-       if (strchr(Cmd,'w') != 0  || strchr(Cmd,'W') != 0 ) {
-               chinese_card = TRUE; 
+       else if ( hasPwdKey ) {
+               c.arg[1] = 2;
+               memcpy(c.d.asBytes+4,authKeyPtr,4);
        }
-       
-       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");
-                       }  
-               }
+
+       clearCommandBuffer();
+       SendCommand(&c);
+       UsbCommand resp;
+       if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+               uint8_t isOK  = resp.arg[0] & 0xff;
+               PrintAndLog("isOk:%02x", isOK);
        } 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");
-               }
+               PrintAndLog("Command execute timeout");
        }
+
        return 0;
 }
-
 //
-//  Mifare Ultralight Read Single Block
+//  Read Single Block
 //
 int CmdHF14AMfURdBl(const char *Cmd){
 
-       UsbCommand resp;
-       uint8_t blockNo = -1;   
-       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;
-       }
+       int blockNo = -1;       
+       bool errors = false;
+       bool hasAuthKey = false;
+       bool hasPwdKey = false;
+       bool swapEndian = false;
+       uint8_t cmdp = 0;
+       uint8_t keylen = 0;
+       uint8_t data[16] = {0x00};
+       uint8_t authenticationkey[16] = {0x00};
+       uint8_t *authKeyPtr = authenticationkey;
 
-       blockNo = param_get8(Cmd, 0);
+       // starting with getting tagtype
+       TagTypeUL_t tagtype = GetHF14AMfU_Type();
+       if (tagtype == UL_ERROR) return -1;
 
-       if (blockNo > MAX_UL_BLOCKS){
-               PrintAndLog("Error: Maximum number of blocks is 15 for Ultralight");
-               return 1;
+       while(param_getchar(Cmd, cmdp) != 0x00)
+       {
+               switch(param_getchar(Cmd, cmdp))
+               {
+                       case 'h':
+                       case 'H':
+                               return usage_hf_mfu_rdbl();
+                       case 'k':
+                       case 'K':
+                               // EV1/NTAG size key
+                               keylen = param_gethex(Cmd, cmdp+1, data, 8);
+                               if ( !keylen ) {
+                                       memcpy(authenticationkey, data, 4);
+                                       cmdp += 2;
+                                       hasPwdKey = true;
+                                       break;
+                               }
+                               // UL-C size key        
+                               keylen = param_gethex(Cmd, cmdp+1, data, 32);
+                               if (!keylen){
+                                       memcpy(authenticationkey, data, 16);
+                                       cmdp += 2;
+                                       hasAuthKey = true;
+                                       break;
+                               }
+                               PrintAndLog("\nERROR: Key is incorrect length\n");
+                               errors = true; 
+                               break;
+                       case 'b':
+                       case 'B':
+                               blockNo = param_get8(Cmd, cmdp+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];
+                               }
+
+                               if (blockNo < 0) {
+                                       PrintAndLog("Wrong block number");
+                                       errors = true;
+                               }
+                               if (blockNo > maxblockno){
+                                       PrintAndLog("block number to large. Max block is %u/0x%02X \n", maxblockno,maxblockno);
+                                       errors = true;
+                               }
+                               cmdp += 2;
+                               break;
+                       case 'l':
+                       case 'L':
+                               swapEndian = true;
+                               cmdp++;
+                               break;
+                       default:
+                               PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+                               errors = true;
+                               break;
+               }
+               //Validations
+               if(errors) return usage_hf_mfu_rdbl();
        }
 
-       UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
-       SendCommand(&c);
+       if ( blockNo == -1 ) return usage_hf_mfu_rdbl();
+
+       // Swap endianness 
+       if (swapEndian && hasAuthKey) authKeyPtr = SwapEndian64(authenticationkey, 16, 8);
+       if (swapEndian && hasPwdKey)  authKeyPtr = SwapEndian64(authenticationkey, 4, 4);
 
+       //Read Block
+       UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
+       if ( hasAuthKey ){
+               c.arg[1] = 1;
+               memcpy(c.d.asBytes,authKeyPtr,16);
+       }
+       else if ( hasPwdKey ) {
+               c.arg[1] = 2;
+               memcpy(c.d.asBytes,authKeyPtr,4);
+       }
 
+       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;
-                       PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
+                       PrintAndLog("\nBlock#  | Data        | Ascii");
+                       PrintAndLog("-----------------------------");
+                       PrintAndLog("%02d/0x%02X | %s| %.4s\n", blockNo, blockNo, sprint_hex(data, 4), data);
                }
                else {
                        PrintAndLog("Failed reading block: (%02x)", isOK);
@@ -945,7 +1088,6 @@ int CmdHF14AMfURdBl(const char *Cmd){
        } else {
                PrintAndLog("Command execute time-out");
        }
-
        return 0;
 }
 
@@ -988,6 +1130,34 @@ int usage_hf_mfu_dump(void) {
        return 0;
 }
 
+int usage_hf_mfu_rdbl(void) {
+       PrintAndLog("Read a block and print. It autodetects card type.\n");     
+       PrintAndLog("Usage:  hf mfu rdbl b <block number> k <key> l\n");
+       PrintAndLog("  Options:");
+       PrintAndLog("  b <no>  : block to read");
+       PrintAndLog("  k <key> : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
+       PrintAndLog("  l       : (optional) swap entered key's endianness");    
+       PrintAndLog("");
+       PrintAndLog("   sample : hf mfu rdbl b 0");
+       PrintAndLog("          : hf mfu rdbl b 0 k 00112233445566778899AABBCCDDEEFF");
+       PrintAndLog("          : hf mfu rdbl b 0 k AABBCCDDD\n");
+       return 0;
+}
+
+int usage_hf_mfu_wrbl(void) {
+       PrintAndLog("Write a block. It autodetects card type.\n");              
+       PrintAndLog("Usage:  hf mfu wrbl b <block number> d <data> k <key> l\n");
+       PrintAndLog("  Options:");
+       PrintAndLog("  b <no>   : block to write");
+       PrintAndLog("  d <data> : block data - (8 hex symbols)");
+       PrintAndLog("  k <key>  : (optional) key for authentication [UL-C 16bytes, EV1/NTAG 4bytes]");
+       PrintAndLog("  l        : (optional) swap entered key's endianness");   
+       PrintAndLog("");
+       PrintAndLog("    sample : hf mfu wrbl b 0 d 01234567");
+       PrintAndLog("           : hf mfu wrbl b 0 d 01234567 k AABBCCDDD\n");
+       return 0;
+}
+
 //
 //  Mifare Ultralight / Ultralight-C / Ultralight-EV1
 //  Read and Dump Card Contents,  using auto detection of tag size.
@@ -1079,10 +1249,10 @@ int CmdHF14AMfUDump(const char *Cmd){
        TagTypeUL_t tagtype = GetHF14AMfU_Type();
        if (tagtype == UL_ERROR) return -1;
 
-       if (!manualPages)
+       if (!manualPages) //get number of pages to read
                for (uint8_t idx = 0; idx < MAX_UL_TYPES; idx++)
                        if (tagtype & UL_TYPES_ARRAY[idx])
-                               Pages = UL_MEMORY_ARRAY[idx]+1;
+                               Pages = UL_MEMORY_ARRAY[idx]+1; //add one as maxblks starts at 0
 
        ul_print_type(tagtype, 0);
        PrintAndLog("Reading tag memory...");
@@ -1095,6 +1265,8 @@ int CmdHF14AMfUDump(const char *Cmd){
 
                memcpy(c.d.asBytes, authKeyPtr, dataLen);
        }
+
+       clearCommandBuffer();
        SendCommand(&c);
        UsbCommand resp;
        if (!WaitForResponseTimeout(CMD_ACK, &resp,1500)) {
@@ -1106,12 +1278,13 @@ int CmdHF14AMfUDump(const char *Cmd){
                return 1;
        }
 
+       uint32_t startindex = resp.arg[2];
        uint32_t bufferSize = resp.arg[1];
        if (bufferSize > sizeof(data)) {
                PrintAndLog("Data exceeded Buffer size!");
                bufferSize = sizeof(data);
        }
-       GetFromBigBuf(data, bufferSize, 0);
+       GetFromBigBuf(data, bufferSize, startindex);
        WaitForResponse(CMD_ACK,NULL);
 
        Pages = bufferSize/4;
@@ -1152,9 +1325,11 @@ int CmdHF14AMfUDump(const char *Cmd){
                }
        }
 
+       PrintAndLog("\nBlock#  | Data        |lck| Ascii");
+       PrintAndLog("---------------------------------");
        for (i = 0; i < Pages; ++i) {
                if ( i < 3 ) {
-                       PrintAndLog("Block %02x:%s ", i,sprint_hex(data + i * 4, 4));
+                       PrintAndLog("%02d/0x%02X | %s|   | ", i+startPage, i+startPage, sprint_hex(data + i * 4, 4));
                        continue;
                }
                switch(i){
@@ -1201,8 +1376,9 @@ int CmdHF14AMfUDump(const char *Cmd){
                        case 43: tmplockbit = bit2[9]; break;  //auth1
                        default: break;
                }
-               PrintAndLog("Block %02X:%s [%d] {%.4s}", i, sprint_hex(data + i * 4, 4), tmplockbit, data+i*4);
+               PrintAndLog("%02d/0x%02X | %s| %d | %.4s", i+startPage, i+startPage, sprint_hex(data + i * 4, 4), tmplockbit, data+i*4);
        }
+       PrintAndLog("---------------------------------");
 
        // user supplied filename?
        if (fileNlen < 1) {
@@ -1368,142 +1544,6 @@ int CmdTestDES(const char * cmd)
 }
 **/
 
-//
-// Ultralight C Read Single Block
-//
-int CmdHF14AMfUCRdBl(const char *Cmd)
-{
-       UsbCommand resp;
-       bool hasPwd = FALSE;
-       uint8_t blockNo = -1;
-       uint8_t key[16];
-       char cmdp = param_getchar(Cmd, 0);
-
-       if (strlen(Cmd) < 1 || cmdp == 'h' || cmdp == 'H') {
-               PrintAndLog("Usage:  hf mfu crdbl  <block number> <key>");
-               PrintAndLog("");
-               PrintAndLog("sample: hf mfu crdbl 0");
-               PrintAndLog("        hf mfu crdbl 0 00112233445566778899AABBCCDDEEFF");
-               return 0;
-       }
-
-       blockNo = param_get8(Cmd, 0);
-       if (blockNo < 0) {
-               PrintAndLog("Wrong block number");
-               return 1;
-       }
-
-       if (blockNo > MAX_ULC_BLOCKS ){
-               PrintAndLog("Error: Maximum number of blocks is 47 for Ultralight-C");
-               return 1;
-       } 
-       
-       // key
-       if ( strlen(Cmd) > 3){
-               if (param_gethex(Cmd, 1, key, 32)) {
-                       PrintAndLog("Key must include %d HEX symbols", 32);
-                       return 1;
-               } else {
-                       hasPwd = TRUE;
-               }       
-       }       
-
-       //Read Block
-       UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}};
-       if ( hasPwd ) {
-               c.arg[1] = 1;
-               memcpy(c.d.asBytes,key,16);
-       }
-       SendCommand(&c);
-
-       if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
-               uint8_t isOK = resp.arg[0] & 0xff;
-               if (isOK) {
-                       uint8_t *data = resp.d.asBytes;
-                       PrintAndLog("Block: %0d (0x%02X) [ %s]", (int)blockNo, blockNo, sprint_hex(data, 4));
-               }
-               else {
-                       PrintAndLog("Failed reading block: (%02x)", isOK);
-               }
-       } else {
-               PrintAndLog("Command execute time-out");
-       }
-       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_ULC_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");  
-                       return 1;
-               } 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");
-                               return 1;
-                       }
-               }
-       } 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");
-                               return 1;
-                       }
-       }
-       return 0;
-}
-
 // 
 // Mifare Ultralight C - Set password
 //
@@ -1529,6 +1569,7 @@ int CmdHF14AMfucSetPwd(const char *Cmd){
        
        UsbCommand c = {CMD_MIFAREUC_SETPWD};   
        memcpy( c.d.asBytes, pwd, 16);
+       clearCommandBuffer();
        SendCommand(&c);
 
        UsbCommand resp;
@@ -1577,6 +1618,7 @@ int CmdHF14AMfucSetUid(const char *Cmd){
        // read block2. 
        c.cmd = CMD_MIFAREU_READBL;
        c.arg[0] = 2;
+       clearCommandBuffer();
        SendCommand(&c);
        if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
                PrintAndLog("Command execute timeout");
@@ -1594,6 +1636,7 @@ int CmdHF14AMfucSetUid(const char *Cmd){
        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)) {
                PrintAndLog("Command execute timeout");
@@ -1606,6 +1649,7 @@ int CmdHF14AMfucSetUid(const char *Cmd){
        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) ) {
                PrintAndLog("Command execute timeout");
@@ -1618,6 +1662,7 @@ int CmdHF14AMfucSetUid(const char *Cmd){
        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) ) {
                PrintAndLog("Command execute timeout");
@@ -1628,10 +1673,10 @@ int CmdHF14AMfucSetUid(const char *Cmd){
 }
 
 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
@@ -1645,14 +1690,14 @@ int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
        
        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];
-       
+
        des3_context ctx = { 0x00 };
        des3_set2key_enc(&ctx, masterkey);
 
@@ -1671,9 +1716,9 @@ int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
        PrintAndLog("Mifare key   :\t %s", sprint_hex(mifarekeyA, sizeof(mifarekeyA)));
        PrintAndLog("Message      :\t %s", sprint_hex(mix, sizeof(mix)));
        PrintAndLog("Diversified key: %s", sprint_hex(divkey+1, 6));
-               
+
        PrintAndLog("\n DES version");
-       
+
        for (int i=0; i < sizeof(mifarekeyA); ++i){
                dkeyA[i] = (mifarekeyA[i] << 1) & 0xff;
                dkeyA[6] |=  ((mifarekeyA[i] >> 7) & 1) << (i+1);
@@ -1691,7 +1736,7 @@ int CmdHF14AMfuGenDiverseKeys(const char *Cmd){
        memcpy(dmkey+8, dkeyB, 8);
        memcpy(dmkey+16, dkeyA, 8);
        memset(iv, 0x00, 8);
-       
+
        des3_set3key_enc(&ctx, dmkey);
 
        des3_crypt_cbc(&ctx  // des3_context
@@ -1734,11 +1779,9 @@ static command_t CommandTable[] =
        {"help",        CmdHelp,                        1, "This help"},
        {"dbg",         CmdHF14AMfDbg,          0, "Set default debug mode"},
        {"info",        CmdHF14AMfUInfo,        0, "Tag information"},
-       {"dump",        CmdHF14AMfUDump,        0, "Dump Ultralight / Ultralight-C tag to binary file"},
-       {"rdbl",        CmdHF14AMfURdBl,        0, "Read block  - Ultralight"},
-       {"wrbl",        CmdHF14AMfUWrBl,        0, "Write block - Ultralight"},    
-       {"crdbl",       CmdHF14AMfUCRdBl,       0, "Read block        - Ultralight C"},
-       {"cwrbl",       CmdHF14AMfUCWrBl,       0, "Write block       - Ultralight C"},
+       {"dump",        CmdHF14AMfUDump,        0, "Dump Ultralight / Ultralight-C / NTAG tag to binary file"},
+       {"rdbl",        CmdHF14AMfURdBl,        0, "Read block"},
+       {"wrbl",        CmdHF14AMfUWrBl,        0, "Write block"},
        {"cauth",       CmdHF14AMfucAuth,       0, "Authentication    - Ultralight C"},
        {"setpwd",      CmdHF14AMfucSetPwd, 1, "Set 3des password - Ultralight-C"},
        {"setuid",      CmdHF14AMfucSetUid, 1, "Set UID - MAGIC tags only"},
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