Fixed indentation

[proxmark3-svn] / client / cmdhficlass.c

diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index f31bced7415c731512f4e8c8676ddd7a79688bd4..583d518e6d4a3e85a1198d3015303bc1dbf24674 100644 (file)
--- a/client/cmdhficlass.c
+++ b/client/cmdhficlass.c
@@ -1,6 +1,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
 // Copyright (C) 2011 Gerhard de Koning Gans
 //-----------------------------------------------------------------------------
 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
 // Copyright (C) 2011 Gerhard de Koning Gans

+// Copyright (C) 2014 Midnitesnake & Andy Davies & Martin Holst Swende

 //
 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
 // at your option, any later version. See the LICENSE.txt file for the text of
 //
 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
 // at your option, any later version. See the LICENSE.txt file for the text of


@@ -23,24 +24,29 @@
 #include "common.h"
 #include "util.h"
 #include "cmdmain.h"
 #include "common.h"
 #include "util.h"
 #include "cmdmain.h"

+#include "loclass/des.h"
+#include "loclass/cipherutils.h"
+#include "loclass/cipher.h"
+#include "loclass/ikeys.h"
+#include "loclass/elite_crack.h"
+#include "loclass/fileutils.h"

 
 static int CmdHelp(const char *Cmd);
 
 int xorbits_8(uint8_t val)
 {
 
 static int CmdHelp(const char *Cmd);
 
 int xorbits_8(uint8_t val)
 {

-       uint8_t res = val ^ (val >> 1); //1st pass
-       res = res ^ (res >> 1);                 // 2nd pass
-       res = res ^ (res >> 2);                 // 3rd pass
-       res = res ^ (res >> 4);                         // 4th pass
-       return res & 1;
+    uint8_t res = val ^ (val >> 1); //1st pass
+    res = res ^ (res >> 1);            // 2nd pass
+    res = res ^ (res >> 2);            // 3rd pass
+    res = res ^ (res >> 4);                    // 4th pass
+    return res & 1;

 }
 
 int CmdHFiClassList(const char *Cmd)
 {
 }
 
 int CmdHFiClassList(const char *Cmd)
 {

-

        bool ShowWaitCycles = false;
        char param = param_getchar(Cmd, 0);
        bool ShowWaitCycles = false;
        char param = param_getchar(Cmd, 0);

-
+       

        if (param != 0) {
                PrintAndLog("List data in trace buffer.");
                PrintAndLog("Usage:  hf iclass list");
        if (param != 0) {
                PrintAndLog("List data in trace buffer.");
                PrintAndLog("Usage:  hf iclass list");


@@ -49,259 +55,149 @@ int CmdHFiClassList(const char *Cmd)
                return 0;
        }
 
                return 0;
        }
 

-       uint8_t got[1920];
-       GetFromBigBuf(got,sizeof(got),0);
-       WaitForResponse(CMD_ACK,NULL);
+// for the time being. Need better Bigbuf handling.    
+#define TRACE_SIZE 3000        
+
+       uint8_t trace[TRACE_SIZE];
+       GetFromBigBuf(trace, TRACE_SIZE, 0);
+       WaitForResponse(CMD_ACK, NULL);

 
        PrintAndLog("Recorded Activity");
        PrintAndLog("");
        PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
        PrintAndLog("All times are in carrier periods (1/13.56Mhz)");
        PrintAndLog("");
 
        PrintAndLog("Recorded Activity");
        PrintAndLog("");
        PrintAndLog("Start = Start of Start Bit, End = End of last modulation. Src = Source of Transfer");
        PrintAndLog("All times are in carrier periods (1/13.56Mhz)");
        PrintAndLog("");

-       PrintAndLog("     Start |       End | Src | Data");
-       PrintAndLog("-----------|-----------|-----|--------");
-
-       int i;
-       uint32_t first_timestamp = 0;
+       PrintAndLog("     Start |       End | Src | Data (! denotes parity error)                                   | CRC ");
+       PrintAndLog("-----------|-----------|-----|-----------------------------------------------------------------------");
+
+       uint16_t tracepos = 0;
+       uint16_t duration;
+       uint16_t data_len;
+       uint16_t parity_len;
+       bool isResponse;

        uint32_t timestamp;
        uint32_t timestamp;

-       bool tagToReader;
-       uint32_t parityBits;
-       uint8_t len;
-       uint8_t *frame;
-       uint32_t EndOfTransmissionTimestamp = 0;
+       uint32_t first_timestamp;
+       uint32_t EndOfTransmissionTimestamp;
+       
+       for (;;) {

 
 

+               if(tracepos >= TRACE_SIZE) {
+                       break;
+               }

 
 

-       for( i=0; i < 1900;)
-       {
-               //First 32 bits contain
-               // isResponse (1 bit)
-               // timestamp (remaining)
-               //Then paritybits
-               //Then length
-               timestamp = *((uint32_t *)(got+i));
-               parityBits = *((uint32_t *)(got+i+4));
-               len = got[i+8];
-               frame = (got+i+9);
-               uint32_t next_timestamp = (*((uint32_t *)(got+i+9))) & 0x7fffffff;
-
-               tagToReader = timestamp & 0x80000000;
-               timestamp &= 0x7fffffff;
-
-               if(i==0) {
+               timestamp = *((uint32_t *)(trace + tracepos));
+               if(tracepos == 0) {

                        first_timestamp = timestamp;
                }
 
                // Break and stick with current result if buffer was not completely full
                        first_timestamp = timestamp;
                }
 
                // Break and stick with current result if buffer was not completely full

-               if (frame[0] == 0x44 && frame[1] == 0x44 && frame[2] == 0x44 && frame[3] == 0x44) break;
-
-               char line[1000] = "";
-
-               if(len)//We have some data to display
-               {
-                       int j,oddparity;
+               if (timestamp == 0x44444444) break; 
+
+               tracepos += 4;
+               duration = *((uint16_t *)(trace + tracepos));
+               tracepos += 2;
+               data_len = *((uint16_t *)(trace + tracepos));
+               tracepos += 2;
+               
+               if (data_len & 0x8000) {
+                 data_len &= 0x7fff;
+                 isResponse = true;
+               } else {
+                 isResponse = false;
+               }

 
 

-                       for(j = 0; j < len ; j++)
-                       {
-                               oddparity = 0x01 ^ xorbits_8(frame[j] & 0xFF);
+               parity_len = (data_len-1)/8 + 1;

 
 

-                               if (tagToReader && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
-                                       sprintf(line+(j*4), "%02x!  ", frame[j]);
-                               } else {
-                                       sprintf(line+(j*4), "%02x   ", frame[j]);
-                               }
+               if (tracepos + data_len + parity_len >= TRACE_SIZE) {
+                       break;
+               }
+               
+               uint8_t *frame = trace + tracepos;
+               tracepos += data_len;
+               uint8_t *parityBytes = trace + tracepos;
+               tracepos += parity_len;
+
+               char line[16][110];
+               for (int j = 0; j < data_len; j++) {
+                       int oddparity = 0x01;
+                       int k;
+                       
+                       for (k=0;k<8;k++) {
+                               oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);

                        }
                        }

-               }else
-               {
-                       if (ShowWaitCycles) {
-                               sprintf(line, "fdt (Frame Delay Time): %d", (next_timestamp - timestamp));
+
+                       uint8_t parityBits = parityBytes[j>>3];
+                       if (isResponse && (oddparity != ((parityBits >> (7-(j&0x0007))) & 0x01))) {
+                               sprintf(line[j/16]+((j%16)*4), "%02x! ", frame[j]);
+                       } else {
+                               sprintf(line[j/16]+((j%16)*4), "%02x  ", frame[j]);

                        }
                        }

-               }

 
 

-               char *crc = "";
+               }

 
 

-               if(len > 2)
-               {
+               char *crc = ""; 
+               if (data_len > 2) {

                        uint8_t b1, b2;
                        uint8_t b1, b2;

-                       if(!tagToReader && len == 4) {
+                       if(!isResponse && data_len == 4 ) {

                                // Rough guess that this is a command from the reader
                                // For iClass the command byte is not part of the CRC
                                // Rough guess that this is a command from the reader
                                // For iClass the command byte is not part of the CRC

-                                       ComputeCrc14443(CRC_ICLASS, &frame[1], len-3, &b1, &b2);
+                               ComputeCrc14443(CRC_ICLASS, &frame[1], data_len-3, &b1, &b2);
+                               if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
+                                       crc = "!crc";
+                               }

                        }
                        else {
                        }
                        else {

-                                 // For other data.. CRC might not be applicable (UPDATE commands etc.)
-                               ComputeCrc14443(CRC_ICLASS, frame, len-2, &b1, &b2);
+                               // For other data.. CRC might not be applicable (UPDATE commands etc.)
+                               ComputeCrc14443(CRC_ICLASS, frame, data_len-2, &b1, &b2);
+                               if (b1 != frame[data_len-2] || b2 != frame[data_len-1]) {
+                                       crc = "!crc";
+                               }

                        }
                        }

+               }

 
 

-                       if (b1 != frame[len-2] || b2 != frame[len-1]) {
-                               crc = (tagToReader & (len < 8)) ? "" : " !crc";
+               EndOfTransmissionTimestamp = timestamp + duration;
+               
+               int num_lines = (data_len - 1)/16 + 1;
+               for (int j = 0; j < num_lines; j++) {
+                       if (j == 0) {
+                               PrintAndLog(" %9d | %9d | %s | %-64s| %s",
+                                       (timestamp - first_timestamp),
+                                       (EndOfTransmissionTimestamp - first_timestamp),
+                                       (isResponse ? "Tag" : "Rdr"),
+                                       line[j], 
+                                       (j == num_lines-1)?crc:"");
+                       } else {
+                               PrintAndLog("           |           |     | %-64s| %s",
+                                       line[j], 
+                                       (j == num_lines-1)?crc:"");
+                       }
+               }                               
+
+               bool next_isResponse = *((uint16_t *)(trace + tracepos + 6)) & 0x8000;
+               
+               if (ShowWaitCycles && !isResponse && next_isResponse) {
+                       uint32_t next_timestamp = *((uint32_t *)(trace + tracepos));
+                       if (next_timestamp != 0x44444444) {
+                               PrintAndLog(" %9d | %9d | %s | fdt (Frame Delay Time): %d",
+                                       (EndOfTransmissionTimestamp - first_timestamp),
+                                       (next_timestamp - first_timestamp),
+                                       "   ",
+                                       (next_timestamp - EndOfTransmissionTimestamp));

                        }
                }
                        }
                }

-
-               i += (len + 9);
-               EndOfTransmissionTimestamp = (*((uint32_t *)(got+i))) & 0x7fffffff;
-
-               // Not implemented for iclass on the ARM-side
-               //if (!ShowWaitCycles) i += 9;
-
-               PrintAndLog(" %9d | %9d | %s | %s %s",
-                       (timestamp - first_timestamp),
-                       (EndOfTransmissionTimestamp - first_timestamp),
-                       (len?(tagToReader ? "Tag" : "Rdr"):"   "),
-                       line, crc);
+                       

        }
        }

+       

        return 0;
 }
 
        return 0;
 }
 

-int CmdHFiClassListOld(const char *Cmd)
-{
-  uint8_t got[1920];
-  GetFromBigBuf(got,sizeof(got),0);
-
-  PrintAndLog("recorded activity:");
-  PrintAndLog(" ETU     :rssi: who bytes");
-  PrintAndLog("---------+----+----+-----------");
-
-  int i = 0;
-  int prev = -1;
-
-  for (;;) {
-    if(i >= 1900) {
-      break;
-    }
-
-    bool isResponse;
-    int timestamp = *((uint32_t *)(got+i));
-    if (timestamp & 0x80000000) {
-      timestamp &= 0x7fffffff;
-      isResponse = 1;
-    } else {
-      isResponse = 0;
-    }
-
-
-    int metric = 0;
-
-    int parityBits = *((uint32_t *)(got+i+4));
-    // 4 bytes of additional information...
-    // maximum of 32 additional parity bit information
-    //
-    // TODO:
-    // at each quarter bit period we can send power level (16 levels)
-    // or each half bit period in 256 levels.
-
-
-    int len = got[i+8];
-
-    if (len > 100) {
-      break;
-    }
-    if (i + len >= 1900) {
-      break;
-    }
-
-    uint8_t *frame = (got+i+9);
-
-    // Break and stick with current result if buffer was not completely full
-    if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
-
-    char line[1000] = "";
-    int j;
-    for (j = 0; j < len; j++) {
-      int oddparity = 0x01;
-      int k;
-
-      for (k=0;k<8;k++) {
-        oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
-      }
-
-      //if((parityBits >> (len - j - 1)) & 0x01) {
-      if (isResponse && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
-        sprintf(line+(j*4), "%02x!  ", frame[j]);
-      }
-      else {
-        sprintf(line+(j*4), "%02x   ", frame[j]);
-      }
-    }
-
-    char *crc;
-    crc = "";
-    if (len > 2) {
-      uint8_t b1, b2;
-      for (j = 0; j < (len - 1); j++) {
-        // gives problems... search for the reason..
-        /*if(frame[j] == 0xAA) {
-          switch(frame[j+1]) {
-            case 0x01:
-              crc = "[1] Two drops close after each other";
-            break;
-            case 0x02:
-              crc = "[2] Potential SOC with a drop in second half of bitperiod";
-              break;
-            case 0x03:
-              crc = "[3] Segment Z after segment X is not possible";
-              break;
-            case 0x04:
-              crc = "[4] Parity bit of a fully received byte was wrong";
-              break;
-            default:
-              crc = "[?] Unknown error";
-              break;
-          }
-          break;
-        }*/
-      }
-
-      if (strlen(crc)==0) {
-       if(!isResponse && len == 4) {
-               // Rough guess that this is a command from the reader
-               // For iClass the command byte is not part of the CRC
-               ComputeCrc14443(CRC_ICLASS, &frame[1], len-3, &b1, &b2);
-       }
-       else {
-               // For other data.. CRC might not be applicable (UPDATE commands etc.)
-               ComputeCrc14443(CRC_ICLASS, frame, len-2, &b1, &b2);
-       }
-       //printf("%1x %1x",(unsigned)b1,(unsigned)b2);
-        if (b1 != frame[len-2] || b2 != frame[len-1]) {
-          crc = (isResponse & (len < 8)) ? "" : " !crc";
-        } else {
-          crc = "";
-        }
-      }
-    } else {
-      crc = ""; // SHORT
-    }
-
-    char metricString[100];
-    if (isResponse) {
-      sprintf(metricString, "%3d", metric);
-    } else {
-      strcpy(metricString, "   ");
-    }
-
-    PrintAndLog(" +%7d: %s: %s %s %s",
-      (prev < 0 ? 0 : (timestamp - prev)),
-      metricString,
-      (isResponse ? "TAG" : "   "), line, crc);
-
-    prev = timestamp;
-    i += (len + 9);
-  }
-  return 0;
-}
-
-/*void iso14a_set_timeout(uint32_t timeout) {
-       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
-       SendCommand(&c);
-}*/
-

 int CmdHFiClassSnoop(const char *Cmd)
 {
   UsbCommand c = {CMD_SNOOP_ICLASS};
   SendCommand(&c);
   return 0;
 }
 int CmdHFiClassSnoop(const char *Cmd)
 {
   UsbCommand c = {CMD_SNOOP_ICLASS};
   SendCommand(&c);
   return 0;
 }

-
+#define NUM_CSNS 15

 int CmdHFiClassSim(const char *Cmd)
 {
   uint8_t simType = 0;
 int CmdHFiClassSim(const char *Cmd)
 {
   uint8_t simType = 0;


@@ -329,7 +225,7 @@ int CmdHFiClassSim(const char *Cmd)
          PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8));
 
   }
          PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8));
 
   }

-  if(simType > 5)
+  if(simType > 2)

   {
          PrintAndLog("Undefined simptype %d", simType);
          return 1;
   {
          PrintAndLog("Undefined simptype %d", simType);
          return 1;


@@ -338,76 +234,38 @@ int CmdHFiClassSim(const char *Cmd)
 
        if(simType == 2)
        {
 
        if(simType == 2)
        {

-               UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,63}};
+               UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,NUM_CSNS}};

                UsbCommand resp = {0};
 
                UsbCommand resp = {0};
 

-               uint8_t csns1[] ={
-                         /* Order    Simulated CSN                               HASH1           Recovered key bytes */
-                         /*   1   */ 0x00,0x0B,0x0F,0xFF,0xF7,0xFF,0x12,0xE0,// 0101000045014545 00,01 45
-                         /*   2   */  0x03,0x0B,0x0E,0xFE,0xF7,0xFF,0x12,0xE0,// 0202000045014545 02
-                         /*   3   */  0x04,0x0D,0x0D,0xFD,0xF7,0xFF,0x12,0xE0,// 0303000045014545 03
-                         /*   4   */  0x04,0x0F,0x0F,0xF7,0xF7,0xFF,0x12,0xE0,// 0901000045014545 09
-                         /*   5   */  0x01,0x13,0x10,0xF4,0xF7,0xFF,0x12,0xE0,// 0C00000045014545 0C
-                         /*   6   */  0x02,0x14,0x10,0xF2,0xF7,0xFF,0x12,0xE0,// 0E00000045014545 0E
-                         /*   7   */  0x05,0x17,0x10,0xEC,0xF7,0xFF,0x12,0xE0,// 1400000045014545 14
-                         /*   8   */  0x00,0x6B,0x6F,0xDF,0xF7,0xFF,0x12,0xE0,// 2121000045014545 21
-                         /*   9   */  0x03,0x6B,0x6E,0xDE,0xF7,0xFF,0x12,0xE0,// 2222000045014545 22
-                         /*   10  */  0x04,0x6D,0x6D,0xDD,0xF7,0xFF,0x12,0xE0,// 2323000045014545 23
-                         /*   11  */  0x00,0x4F,0x4B,0x43,0xF7,0xFF,0x12,0xE0,// 3D45000045014545 3D
-                         /*   12  */  0x00,0x4B,0x4F,0x3F,0xF7,0xFF,0x12,0xE0,// 4141000045014545 41
-                         /*   13  */  0x03,0x4B,0x4E,0x3E,0xF7,0xFF,0x12,0xE0,// 4242000045014545 42
-                         /*   14  */  0x04,0x4D,0x4D,0x3D,0xF7,0xFF,0x12,0xE0,// 4343000045014545 43
-                         /*   15  */  0x04,0x37,0x37,0x7F,0xF7,0xFF,0x12,0xE0,// 0159000045014545 59
-                         /*   16  */  0x00,0x2B,0x2F,0x9F,0xF7,0xFF,0x12,0xE0,// 6161000045014545 61
-                         /*   17  */  0x03,0x2B,0x2E,0x9E,0xF7,0xFF,0x12,0xE0,// 6262000045014545 62
-                         /*   18  */  0x04,0x2D,0x2D,0x9D,0xF7,0xFF,0x12,0xE0,// 6363000045014545 63
-                         /*   19  */  0x00,0x27,0x23,0xBB,0xF7,0xFF,0x12,0xE0,// 456D000045014545 6D
-                         /*   20  */  0x02,0x52,0xAA,0x80,0xF7,0xFF,0x12,0xE0,// 0066000045014545 66
-                         /*   21  */  0x00,0x5C,0xA6,0x80,0xF7,0xFF,0x12,0xE0,// 006A000045014545 6A
-                         /*   22  */  0x01,0x5F,0xA4,0x80,0xF7,0xFF,0x12,0xE0,// 006C000045014545 6C
-                         /*   23  */  0x06,0x5E,0xA2,0x80,0xF7,0xFF,0x12,0xE0,// 006E000045014545 6E
-                         /*   24  */  0x02,0x0E,0x0E,0xFC,0xF7,0xFF,0x12,0xE0,// 0402000045014545 04
-                         /*   25  */  0x05,0x0D,0x0E,0xFA,0xF7,0xFF,0x12,0xE0,// 0602000045014545 06
-                         /*   26  */  0x06,0x0F,0x0D,0xF9,0xF7,0xFF,0x12,0xE0,// 0703000045014545 07
-                         /*   27  */  0x00,0x01,0x05,0x1D,0xF7,0xFF,0x12,0xE0,// 630B000045014545 0B
-                         /*   28  */  0x02,0x07,0x01,0x1D,0xF7,0xFF,0x12,0xE0,// 630F000045014545 0F
-                         /*   29  */  0x04,0x7F,0x7F,0xA7,0xF7,0xFF,0x12,0xE0,// 5911000045014545 11
-                         /*   30  */  0x04,0x60,0x6E,0xE8,0xF7,0xFF,0x12,0xE0,// 1822000045014545 18
-                         /*31*/ 0x04,0x77,0x77,0xBF,0xF7,0xFF,0x12,0xE0, // 4119000045014545 19
-                         /*32*/ 0x00,0x69,0x6D,0xE5,0xF7,0xFF,0x12,0xE0, // 1B23000045014545 1B
-                         /*33*/ 0x01,0x69,0x6E,0xE2,0xF7,0xFF,0x12,0xE0, // 1E22000045014545 1E
-                         /*34*/ 0x02,0x6B,0x6D,0xE1,0xF7,0xFF,0x12,0xE0, // 1F23000045014545 1F
-                         /*35*/ 0x01,0x3F,0x04,0xE0,0xF7,0xFF,0x12,0xE0, // 200C000045014545 20
-                         /*36*/ 0x02,0x6E,0x6E,0xDC,0xF7,0xFF,0x12,0xE0, // 2422000045014545 24
-                         /*37*/ 0x05,0x6D,0x6E,0xDA,0xF7,0xFF,0x12,0xE0, // 2622000045014545 26
-                         /*38*/ 0x06,0x6F,0x6D,0xD9,0xF7,0xFF,0x12,0xE0, // 2723000045014545 27
-                         /*39*/ 0x01,0x6B,0x68,0xEC,0xF7,0xFF,0x12,0xE0, // 1428000045014545 28
-                         /*40*/ 0x04,0x6F,0x6F,0xD7,0xF7,0xFF,0x12,0xE0, // 2921000045014545 29
-                         /*41*/ 0x02,0x66,0x66,0xF4,0xF7,0xFF,0x12,0xE0, // 0C2A000045014545 2A
-                         /*42*/ 0x00,0x61,0x65,0xFD,0xF7,0xFF,0x12,0xE0, // 032B000045014545 2B
-                         /*43*/ 0x00,0x62,0x64,0xFE,0xF7,0xFF,0x12,0xE0, // 022C000045014545 2C
-                         /*44*/ 0x01,0x65,0x62,0xFE,0xF7,0xFF,0x12,0xE0, // 022E000045014545 2E
-                         /*45*/ 0x02,0x67,0x61,0xFD,0xF7,0xFF,0x12,0xE0, // 032F000045014545 2F
-                         /*46*/ 0x00,0x5F,0x5B,0x13,0xF7,0xFF,0x12,0xE0, // 6D35000045014545 35
-                         /*47*/ 0x00,0x44,0x4E,0x48,0xF7,0xFF,0x12,0xE0, // 3842000045014545 38
-                         /*48*/ 0x00,0x53,0x57,0x27,0xF7,0xFF,0x12,0xE0, // 5939000045014545 39
-                         /*49*/ 0x00,0x49,0x4D,0x45,0xF7,0xFF,0x12,0xE0, // 3B43000045014545 3B
-                         /*50*/ 0x01,0x49,0x4E,0x42,0xF7,0xFF,0x12,0xE0, // 3E42000045014545 3E
-                         /*51*/ 0x02,0x4B,0x4D,0x41,0xF7,0xFF,0x12,0xE0, // 3F43000045014545 3F
-                         /*52*/ 0x02,0x4E,0x4E,0x3C,0xF7,0xFF,0x12,0xE0, // 4442000045014545 44
-                         /*53*/ 0x05,0x4D,0x4E,0x3A,0xF7,0xFF,0x12,0xE0, // 4642000045014545 46
-                         /*54*/ 0x06,0x4F,0x4D,0x39,0xF7,0xFF,0x12,0xE0, // 4743000045014545 47
-                         /*55*/ 0x01,0x77,0x7C,0xB8,0xF7,0xFF,0x12,0xE0, // 4814000045014545 48
-                         /*56*/ 0x04,0x4F,0x4F,0x37,0xF7,0xFF,0x12,0xE0, // 4941000045014545 49
-                         /*57*/ 0x00,0x7A,0x7C,0xB6,0xF7,0xFF,0x12,0xE0, // 4A14000045014545 4A
-                         /*58*/ 0x00,0x41,0x45,0x5D,0xF7,0xFF,0x12,0xE0, // 234B000045014545 4B
-                         /*59*/ 0x00,0x42,0x44,0x5E,0xF7,0xFF,0x12,0xE0, // 224C000045014545 4C
-                         /*60*/ 0x01,0x45,0x42,0x5E,0xF7,0xFF,0x12,0xE0, // 224E000045014545 4E
-                         /*61*/ 0x02,0x47,0x41,0x5D,0xF7,0xFF,0x12,0xE0, // 234F000045014545 4F
-                         /*62*/ 0x04,0x7E,0x7C,0xAE,0xF7,0xFF,0x12,0xE0, // 5214000045014545 52
-                         /*63*/ 0x00,0x57,0x53,0x2B,0xF7,0xFF,0x12,0xE0, // 553D000045014545 55
-                         };
-               memcpy(c.d.asBytes, csns1, sizeof(c.d.asBytes));
+               /*uint8_t csns[8 * NUM_CSNS] = {
+                        0x00,0x0B,0x0F,0xFF,0xF7,0xFF,0x12,0xE0 ,
+                        0x00,0x13,0x94,0x7e,0x76,0xff,0x12,0xe0 ,
+                        0x2a,0x99,0xac,0x79,0xec,0xff,0x12,0xe0 ,
+                        0x17,0x12,0x01,0xfd,0xf7,0xff,0x12,0xe0 ,
+                        0xcd,0x56,0x01,0x7c,0x6f,0xff,0x12,0xe0 ,
+                        0x4b,0x5e,0x0b,0x72,0xef,0xff,0x12,0xe0 ,
+                        0x00,0x73,0xd8,0x75,0x58,0xff,0x12,0xe0 ,
+                        0x0c,0x90,0x32,0xf3,0x5d,0xff,0x12,0xe0 };
+*/
+      
+       uint8_t csns[8*NUM_CSNS] = {
+        0x00, 0x0B, 0x0F, 0xFF, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x04, 0x0E, 0x08, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x09, 0x0D, 0x05, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x0A, 0x0C, 0x06, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x0F, 0x0B, 0x03, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x08, 0x0A, 0x0C, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x0D, 0x09, 0x09, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x0E, 0x08, 0x0A, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x03, 0x07, 0x17, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x3C, 0x06, 0xE0, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x01, 0x05, 0x1D, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x02, 0x04, 0x1E, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x07, 0x03, 0x1B, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x00, 0x02, 0x24, 0xF7, 0xFF, 0x12, 0xE0,
+        0x00, 0x05, 0x01, 0x21, 0xF7, 0xFF, 0x12, 0xE0 };
+
+               memcpy(c.d.asBytes, csns, 8*NUM_CSNS);

 
                SendCommand(&c);
                if (!WaitForResponseTimeout(CMD_ACK, &resp, -1)) {
 
                SendCommand(&c);
                if (!WaitForResponseTimeout(CMD_ACK, &resp, -1)) {


@@ -415,152 +273,318 @@ int CmdHFiClassSim(const char *Cmd)
                        return 0;
                }
 
                        return 0;
                }
 

-               uint8_t num_mac_responses_1  = resp.arg[1];
-               PrintAndLog("Mac responses, first part : %d MACs obtained (should be 63)", num_mac_responses_1);
-
-               UsbCommand c2 = {CMD_SIMULATE_TAG_ICLASS, {simType,63}};
-               UsbCommand resp2 = {0};
-
-               uint8_t csns2[] ={
-                       /*64*/ 0x04,0x3C,0x3A,0x74,0xF7,0xFF,0x12,0xE0, // 0C56000045014545 56
-                       /*65*/ 0x00,0x24,0x2E,0xA8,0xF7,0xFF,0x12,0xE0, // 5862000045014545 58
-                       /*66*/ 0x00,0x29,0x2D,0xA5,0xF7,0xFF,0x12,0xE0, // 5B63000045014545 5B
-                       /*67*/ 0x00,0x00,0x02,0x24,0xF7,0xFF,0x12,0xE0, // 5C0E000045014545 5C
-                       /*68*/ 0x01,0x29,0x2E,0xA2,0xF7,0xFF,0x12,0xE0, // 5E62000045014545 5E
-                       /*69*/ 0x02,0x2B,0x2D,0xA1,0xF7,0xFF,0x12,0xE0, // 5F63000045014545 5F
-                       /*70*/ 0x02,0x2E,0x2E,0x9C,0xF7,0xFF,0x12,0xE0, // 6462000045014545 64
-                       /*71*/ 0x02,0x0A,0x02,0x18,0xF7,0xFF,0x12,0xE0, // 680E000045014545 68
-                       /*72*/ 0x00,0x03,0x07,0x17,0xF7,0xFF,0x12,0xE0, // 6909000045014545 69
-                       /*73*/ 0x00,0x21,0x25,0xBD,0xF7,0xFF,0x12,0xE0, // 436B000045014545 6B
-                       /*74*/ 0x02,0x27,0x21,0xBD,0xF7,0xFF,0x12,0xE0, // 436F000045014545 6F
-                       /*75*/ 0x04,0x07,0x07,0x0F,0xF7,0xFF,0x12,0xE0, // 7109000045014545 71
-                       /*76*/ 0x00,0x04,0x0E,0x08,0xF7,0xFF,0x12,0xE0, // 7802000045014545 78
-                       /*77*/ 0x00,0x33,0x37,0x87,0xF7,0xFF,0x12,0xE0, // 7959000045014545 79
-                       /*78*/ 0x00,0x09,0x0D,0x05,0xF7,0xFF,0x12,0xE0, // 7B03000045014545 7B
-                       /*79*/ 0x01,0x09,0x0E,0x02,0xF7,0xFF,0x12,0xE0, // 7E02000045014545 7E
-                       /*80*/ 0x02,0x0B,0x0D,0x01,0xF7,0xFF,0x12,0xE0, // 7F03000045014545 7F
-                       /*81*/ 0x00,0x34,0x3E,0x78,0xF7,0xFF,0x12,0xE0, // 0852000045014545 08
-                       /*82*/ 0x04,0x66,0x64,0xF6,0xF7,0xFF,0x12,0xE0, // 0A2C000045014545 0A
-                       /*83*/ 0x00,0x3F,0x3B,0x73,0xF7,0xFF,0x12,0xE0, // 0D55000045014545 0D
-                       /*84*/ 0x03,0x3B,0x3E,0x6E,0xF7,0xFF,0x12,0xE0, // 1252000045014545 12
-                       /*85*/ 0x00,0x11,0x15,0xED,0xF7,0xFF,0x12,0xE0, // 137B000045014545 13
-                       /*86*/ 0x00,0x6E,0x68,0xEA,0xF7,0xFF,0x12,0xE0, // 1628000045014545 16
-                       /*87*/ 0x00,0x6D,0x69,0xE9,0xF7,0xFF,0x12,0xE0, // 1727000045014545 17
-                       /*88*/ 0x00,0x6A,0x6C,0xE6,0xF7,0xFF,0x12,0xE0, // 1A24000045014545 1A
-                       /*89*/ 0x00,0x40,0x42,0x64,0xF7,0xFF,0x12,0xE0, // 1C4E000045014545 1C
-                       /*90*/ 0x00,0x77,0x73,0xCB,0xF7,0xFF,0x12,0xE0, // 351D000045014545 1D
-                       /*91*/ 0x06,0x6E,0x72,0xD0,0xF7,0xFF,0x12,0xE0, // 301E000045014545 30
-                       /*92*/ 0x00,0x1B,0x1F,0xCF,0xF7,0xFF,0x12,0xE0, // 3171000045014545 31
-                       /*93*/ 0x01,0x75,0x72,0xCE,0xF7,0xFF,0x12,0xE0, // 321E000045014545 32
-                       /*94*/ 0x00,0x71,0x75,0xCD,0xF7,0xFF,0x12,0xE0, // 331B000045014545 33
-                       /*95*/ 0x00,0x48,0x4A,0x4C,0xF7,0xFF,0x12,0xE0, // 3446000045014545 34
-                       /*96*/ 0x00,0x4E,0x48,0x4A,0xF7,0xFF,0x12,0xE0, // 3648000045014545 36
-                       /*97*/ 0x00,0x4D,0x49,0x49,0xF7,0xFF,0x12,0xE0, // 3747000045014545 37
-                       /*98*/ 0x00,0x4A,0x4C,0x46,0xF7,0xFF,0x12,0xE0, // 3A44000045014545 3A
-                       /*99*/ 0x00,0x20,0x22,0xC4,0xF7,0xFF,0x12,0xE0, // 3C6E000045014545 3C
-                       /*100*/ 0x00,0x1C,0x66,0x40,0xF7,0xFF,0x12,0xE0, // 402A000045014545 40
-                       /*101*/ 0x06,0x4E,0x52,0x30,0xF7,0xFF,0x12,0xE0, // 503E000045014545 50
-                       /*102*/ 0x00,0x7B,0x7F,0xAF,0xF7,0xFF,0x12,0xE0, // 5111000045014545 51
-                       /*103*/ 0x00,0x51,0x55,0x2D,0xF7,0xFF,0x12,0xE0, // 533B000045014545 53
-                       /*104*/ 0x00,0x28,0x2A,0xAC,0xF7,0xFF,0x12,0xE0, // 5466000045014545 54
-                       /*105*/ 0x02,0x53,0x55,0x29,0xF7,0xFF,0x12,0xE0, // 573B000045014545 57
-                       /*106*/ 0x00,0x2A,0x2C,0xA6,0xF7,0xFF,0x12,0xE0, // 5A64000045014545 5A
-                       /*107*/ 0x00,0x7C,0x46,0x20,0xF7,0xFF,0x12,0xE0, // 604A000045014545 60
-                       /*108*/ 0x02,0x03,0x05,0x19,0xF7,0xFF,0x12,0xE0, // 670B000045014545 67
-                       /*109*/ 0x01,0x2F,0x34,0x90,0xF7,0xFF,0x12,0xE0, // 705C000045014545 70
-                       /*110*/ 0x00,0x32,0x34,0x8E,0xF7,0xFF,0x12,0xE0, // 725C000045014545 72
-                       /*111*/ 0x00,0x31,0x35,0x8D,0xF7,0xFF,0x12,0xE0, // 735B000045014545 73
-                       /*112*/ 0x00,0x08,0x0A,0x0C,0xF7,0xFF,0x12,0xE0, // 7406000045014545 74
-                       /*113*/ 0x03,0x37,0x32,0x8A,0xF7,0xFF,0x12,0xE0, // 765E000045014545 76
-                       /*114*/ 0x00,0x0D,0x09,0x09,0xF7,0xFF,0x12,0xE0, // 7707000045014545 77
-                       /*115*/ 0x00,0x0A,0x0C,0x06,0xF7,0xFF,0x12,0xE0, // 7A04000045014545 7A
-                       /*116*/ 0x00,0x60,0x62,0x04,0xF7,0xFF,0x12,0xE0, // 7C2E000045014545 7C
-                       /*117*/ 0x00,0x07,0x03,0x1B,0xF7,0xFF,0x12,0xE0, // 650D000045014545 65
-                       /*118*/ 0x00,0x0C,0x16,0xF0,0xF7,0xFF,0x12,0xE0, // 107A000045014545 10
-                       /*119*/ 0x00,0x6F,0x6B,0xE3,0xF7,0xFF,0x12,0xE0, // 1D25000045014545 25
-                       /*120*/ 0x00,0x2F,0x2B,0xA3,0xF7,0xFF,0x12,0xE0, // 5D65000045014545 5D
-                       /*121*/ 0x00,0x47,0x43,0x5B,0xF7,0xFF,0x12,0xE0, // 254D000045014545 4D
-                       /*122*/ 0x00,0x37,0x33,0x8B,0xF7,0xFF,0x12,0xE0, // 755D000045014545 75
-                       /*123*/ 0x00,0x1F,0x1B,0xD3,0xF7,0xFF,0x12,0xE0, // 2D75000045014545 2D
-                       /*124*/ 0x00,0x67,0x63,0xFB,0xF7,0xFF,0x12,0xE0, // 052D000045014545 05
-                       /*125*/ 0x00,0x0F,0x0B,0x03,0xF7,0xFF,0x12,0xE0, // 7D05000045014545 7D
-                       /*126*/ 0x00,0x17,0x13,0xEB,0xF7,0xFF,0x12,0xE0, // 157D000045014545 15
-               };
-
-               memcpy(c2.d.asBytes, csns2, sizeof(c2.d.asBytes));
+               uint8_t num_mac_responses  = resp.arg[1];
+               PrintAndLog("Mac responses: %d MACs obtained (should be %d)", num_mac_responses,NUM_CSNS);

 
 

-               SendCommand(&c);
-               if (!WaitForResponseTimeout(CMD_ACK, &resp2, -1)) {
-                       PrintAndLog("Command timed out");
-                       return 0;
-               }
-               uint8_t num_mac_responses_2  = resp2.arg[1];
-               PrintAndLog("Mac responses, second part : %d MACs obtained (should be 63)", num_mac_responses_2);
-               size_t datalen = 126 * 16;
+               size_t datalen = NUM_CSNS*24;

                /*
                 * Now, time to dump to file. We'll use this format:
                /*
                 * Now, time to dump to file. We'll use this format:

-                * <8-byte CSN><8-byte MAC>....
+                * <8-byte CSN><8-byte CC><4 byte NR><4 byte MAC>....

                 * So, it should wind up as
                 * So, it should wind up as

-                * (63+63) * (8 + 8 ) bytes.
+                * 8 * 24 bytes.
+                *
+                * The returndata from the pm3 is on the following format
+                * <4 byte NR><4 byte MAC>
+                * CC are all zeroes, CSN is the same as was sent in

                 **/
                 **/

-               void* macs = malloc(datalen);
+               void* dump = malloc(datalen);
+               memset(dump,0,datalen);//<-- Need zeroes for the CC-field

                uint8_t i = 0;
                uint8_t i = 0;

-               while(i < 63)
+               for(i = 0 ; i < NUM_CSNS ; i++)

                {
                {

-                       memcpy(macs+i*16, csns1+i*8,8);
-                       memcpy(macs+i*16+8, resp.d.asBytes+i*8,8);
+                       memcpy(dump+i*24, csns+i*8,8); //CSN
+                       //8 zero bytes here...
+                       //Then comes NR_MAC (eight bytes from the response)
+                       memcpy(dump+i*24+16,resp.d.asBytes+i*8,8);

 
 

-                       memcpy(macs+i*16+63*16, csns2+i*8,8);
-                       memcpy(macs+i*16+8+63*16, resp2.d.asBytes+i*8,8);
-                       i++;

                }
                /** Now, save to dumpfile **/
                }
                /** Now, save to dumpfile **/

-               saveFile("iclass_mac_attack", "bin", macs,datalen);
-               free(macs);
+               saveFile("iclass_mac_attack", "bin", dump,datalen);
+               free(dump);

        }else
        {
                UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,numberOfCSNs}};
                memcpy(c.d.asBytes, CSN, 8);
                SendCommand(&c);
        }
        }else
        {
                UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,numberOfCSNs}};
                memcpy(c.d.asBytes, CSN, 8);
                SendCommand(&c);
        }

+

   return 0;
 }
 
 int CmdHFiClassReader(const char *Cmd)
   return 0;
 }
 
 int CmdHFiClassReader(const char *Cmd)

+{
+  UsbCommand c = {CMD_READER_ICLASS, {0}};
+  SendCommand(&c);
+    UsbCommand resp;
+  while(!ukbhit()){
+      if (WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
+            uint8_t isOK    = resp.arg[0] & 0xff;
+            uint8_t * data  = resp.d.asBytes;
+
+            PrintAndLog("isOk:%02x", isOK);
+
+            if(isOK > 0)
+            {
+                PrintAndLog("CSN: %s",sprint_hex(data,8));
+            }
+            if(isOK >= 1)
+            {
+                PrintAndLog("CC: %s",sprint_hex(data+8,8));
+            }else{
+                PrintAndLog("No CC obtained");
+            }
+        } else {
+            PrintAndLog("Command execute timeout");
+        }
+    }
+
+  return 0;
+}
+
+int CmdHFiClassReader_Replay(const char *Cmd)

 {
   uint8_t readerType = 0;
 {
   uint8_t readerType = 0;

+  uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00};

 
   if (strlen(Cmd)<1) {
 
   if (strlen(Cmd)<1) {

-       PrintAndLog("Usage:  hf iclass reader    <reader type>");
-       PrintAndLog("        sample: hf iclass reader 0");
-       return 0;
-  }    
+    PrintAndLog("Usage:  hf iclass replay <MAC>");
+    PrintAndLog("        sample: hf iclass replay 00112233");
+    return 0;
+  }

 
 

-  readerType = param_get8(Cmd, 0);
-  PrintAndLog("--readertype:%02x", readerType);
+  if (param_gethex(Cmd, 0, MAC, 8)) {
+    PrintAndLog("MAC must include 8 HEX symbols");
+    return 1;
+  }

 
 

-  UsbCommand c = {CMD_READER_ICLASS, {readerType}};
-  //memcpy(c.d.asBytes, CSN, 8);
+  UsbCommand c = {CMD_READER_ICLASS_REPLAY, {readerType}};
+  memcpy(c.d.asBytes, MAC, 4);

   SendCommand(&c);
 
   SendCommand(&c);
 

-  /*UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
-  if (resp != NULL) {
-       uint8_t                isOK  = resp->arg[0] & 0xff;
+  return 0;
+}
+
+int CmdHFiClassReader_Dump(const char *Cmd)
+{
+  uint8_t readerType = 0;
+  uint8_t MAC[4]={0x00,0x00,0x00,0x00};
+  uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+  uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+  uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+  //uint8_t CC_temp[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+  uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+  uint8_t keytable[128] = {0};
+  int elite = 0;
+  uint8_t *used_key;
+  int i;
+  if (strlen(Cmd)<1) 
+  {
+    PrintAndLog("Usage:  hf iclass dump <Key> [e]");
+    PrintAndLog("        Key    - A 16 byte master key");
+    PrintAndLog("        e      - If 'e' is specified, the key is interpreted as the 16 byte");
+    PrintAndLog("                 Custom Key (KCus), which can be obtained via reader-attack");
+    PrintAndLog("                 See 'hf iclass sim 2'. This key should be on iclass-format");
+    PrintAndLog("        sample: hf iclass dump 0011223344556677");
+
+
+    return 0;
+  }
+
+  if (param_gethex(Cmd, 0, KEY, 16)) 
+  {
+    PrintAndLog("KEY must include 16 HEX symbols");
+    return 1;
+  }
+
+  if (param_getchar(Cmd, 1) == 'e')
+  {
+    PrintAndLog("Elite switch on");
+    elite = 1;
+
+    //calc h2
+    hash2(KEY, keytable);
+    printarr_human_readable("keytable", keytable, 128);
+
+  }
+
+  UsbCommand resp;
+  uint8_t key_sel[8] = {0};
+  uint8_t key_sel_p[8] = { 0 };
+
+  //HACK -- Below is for testing without access to a tag
+  uint8_t fake_dummy_test = false;
+  if(fake_dummy_test)
+  {
+    uint8_t xdata[16] = {0x01,0x02,0x03,0x04,0xF7,0xFF,0x12,0xE0, //CSN from http://www.proxmark.org/forum/viewtopic.php?pid=11230#p11230
+                        0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}; // Just a random CC. Would be good to add a real testcase here
+    memcpy(resp.d.asBytes,xdata, 16);
+    resp.arg[0] = 2;    
+  }
+  
+  //End hack
+
+
+  UsbCommand c = {CMD_READER_ICLASS, {0}};
+  c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE;
+  if(!fake_dummy_test)   
+    SendCommand(&c);
+  
+
+
+  if (fake_dummy_test || WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
+        uint8_t isOK    = resp.arg[0] & 0xff;
+        uint8_t * data  = resp.d.asBytes;
+
+        memcpy(CSN,data,8);
+        memcpy(CCNR,data+8,8);
+
+        PrintAndLog("isOk:%02x", isOK);
+
+        if(isOK > 0)
+        {
+            PrintAndLog("CSN: %s",sprint_hex(CSN,8));
+        }
+        if(isOK > 1)
+        {
+            if(elite)
+            {
+                //Get the key index (hash1)
+                uint8_t key_index[8] = {0};
+
+                hash1(CSN, key_index);
+                printvar("hash1", key_index,8);
+                for(i = 0; i < 8 ; i++)
+                    key_sel[i] = keytable[key_index[i]] & 0xFF;
+                PrintAndLog("Pre-fortified 'permuted' HS key that would be needed by an iclass reader to talk to above CSN:");
+                printvar("k_sel", key_sel,8);
+                //Permute from iclass format to standard format
+                permutekey_rev(key_sel,key_sel_p);
+                used_key = key_sel_p;
+            }else{
+                //Perhaps this should also be permuted to std format?
+                // Something like the code below? I have no std system
+                // to test this with /Martin
+
+                //uint8_t key_sel_p[8] = { 0 };
+                //permutekey_rev(KEY,key_sel_p);
+                //used_key = key_sel_p;
+
+                used_key = KEY;
+
+            }
+
+            PrintAndLog("Pre-fortified key that would be needed by the OmniKey reader to talk to above CSN:");
+            printvar("Used key",used_key,8);
+            diversifyKey(CSN,used_key, div_key);
+            PrintAndLog("Hash0, a.k.a diversified key, that is computed using Ksel and stored in the card (Block 3):");
+            printvar("Div key", div_key, 8);
+            printvar("CC_NR:",CCNR,12);
+            doMAC(CCNR,12,div_key, MAC);
+            printvar("MAC", MAC, 4);
+
+            UsbCommand d = {CMD_READER_ICLASS_REPLAY, {readerType}};
+            memcpy(d.d.asBytes, MAC, 4);
+            if(!fake_dummy_test) SendCommand(&d);
+
+        }else{
+            PrintAndLog("Failed to obtain CC! Aborting");
+        }
+    } else {
+        PrintAndLog("Command execute timeout");
+    }
+
+  return 0;
+}
+
+int CmdHFiClass_iso14443A_write(const char *Cmd)
+{
+  uint8_t readerType = 0;
+  uint8_t MAC[4]={0x00,0x00,0x00,0x00};
+  uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+  uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+  uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+  uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
+
+  uint8_t blockNo=0;
+  uint8_t bldata[8]={0};
+
+  if (strlen(Cmd)<3) 
+  {
+    PrintAndLog("Usage:  hf iclass write <Key> <Block> <Data>");
+    PrintAndLog("        sample: hf iclass write 0011223344556677 10 AAAAAAAAAAAAAAAA");
+    return 0;
+  }
+
+  if (param_gethex(Cmd, 0, KEY, 16)) 
+  {
+    PrintAndLog("KEY must include 16 HEX symbols");
+    return 1;
+  }
+  
+  blockNo = param_get8(Cmd, 1);
+  if (blockNo>32)
+  {
+        PrintAndLog("Error: Maximum number of blocks is 32 for iClass 2K Cards!");
+        return 1;
+  }
+  if (param_gethex(Cmd, 2, bldata, 8)) 
+  {
+        PrintAndLog("Block data must include 8 HEX symbols");
+        return 1;
+  }
+  
+  UsbCommand c = {CMD_ICLASS_ISO14443A_WRITE, {0}};
+  SendCommand(&c);
+  UsbCommand resp;
+
+  if (WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
+    uint8_t isOK    = resp.arg[0] & 0xff;
+    uint8_t * data  = resp.d.asBytes;
+    
+    memcpy(CSN,data,8);
+    memcpy(CCNR,data+8,8);
+    PrintAndLog("DEBUG: %s",sprint_hex(CSN,8));
+    PrintAndLog("DEBUG: %s",sprint_hex(CCNR,8));

        PrintAndLog("isOk:%02x", isOK);
   } else {
        PrintAndLog("Command execute timeout");
        PrintAndLog("isOk:%02x", isOK);
   } else {
        PrintAndLog("Command execute timeout");

-  }*/
+  }

 
 

+  diversifyKey(CSN,KEY, div_key);
+
+  PrintAndLog("Div Key: %s",sprint_hex(div_key,8));
+  doMAC(CCNR, 12,div_key, MAC);
+
+  UsbCommand c2 = {CMD_ICLASS_ISO14443A_WRITE, {readerType,blockNo}};
+  memcpy(c2.d.asBytes, bldata, 8);
+  memcpy(c2.d.asBytes+8, MAC, 4);
+  SendCommand(&c2);
+
+  if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+    uint8_t isOK    = resp.arg[0] & 0xff;
+    uint8_t * data  = resp.d.asBytes;
+
+    if (isOK)
+      PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 4));
+    else
+      PrintAndLog("isOk:%02x", isOK);
+  } else {
+      PrintAndLog("Command execute timeout");
+  }

   return 0;
 }
 
   return 0;
 }
 

+

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

-  {"help",    CmdHelp,        1, "This help"},
-  {"list",    CmdHFiClassList,   0, "List iClass history"},
-  {"snoop",   CmdHFiClassSnoop,  0, "Eavesdrop iClass communication"},
-  {"sim",     CmdHFiClassSim,    0, "Simulate iClass tag"},
-  {"reader",  CmdHFiClassReader, 0, "Read an iClass tag"},
+  {"help",     CmdHelp,                        1,      "This help"},
+  {"list",     CmdHFiClassList,        0,      "List iClass history"},
+  {"snoop",    CmdHFiClassSnoop,       0,      "Eavesdrop iClass communication"},
+  {"sim",      CmdHFiClassSim,         0,      "Simulate iClass tag"},
+  {"reader",CmdHFiClassReader, 0,      "Read an iClass tag"},
+  {"replay",CmdHFiClassReader_Replay,  0,      "Read an iClass tag via Reply Attack"},
+  {"dump",     CmdHFiClassReader_Dump, 0,              "Authenticate and Dump iClass tag"},
+  {"write",    CmdHFiClass_iso14443A_write,    0,      "Authenticate and Write iClass block"},

   {NULL, NULL, 0, NULL}
 };
 
   {NULL, NULL, 0, NULL}
 };
 


@@ -575,53 +599,3 @@ int CmdHelp(const char *Cmd)
   CmdsHelp(CommandTable);
   return 0;
 }
   CmdsHelp(CommandTable);
   return 0;
 }

-
-/**
- * @brief checks if a file exists
- * @param filename
- * @return
- */
-int fileExists(const char *filename) {
-       struct stat st;
-       int result = stat(filename, &st);
-       return result == 0;
-}
-/**
- * @brief Utility function to save data to a file. This method takes a preferred name, but if that
- * file already exists, it tries with another name until it finds something suitable.
- * E.g. dumpdata-15.txt
- * @param preferredName
- * @param suffix the file suffix. Leave out the ".".
- * @param data The binary data to write to the file
- * @param datalen the length of the data
- * @return
- */
-int saveFile(const char *preferredName, const char *suffix, const void* data, size_t datalen)
-{
-       FILE *f = fopen(preferredName, "wb");
-       int size = sizeof(char) * (strlen(preferredName)+strlen(suffix)+5);
-       char * fileName = malloc(size);
-
-       memset(fileName,0,size);
-       int num = 1;
-       sprintf(fileName,"%s.%s", preferredName, suffix);
-       while(fileExists(fileName))
-       {
-               sprintf(fileName,"%s-%d.%s", preferredName, num, suffix);
-               num++;
-       }
-       /* We should have a valid filename now, e.g. dumpdata-3.bin */
-
-       /*Opening file for writing in binary mode*/
-       FILE *fileHandle=fopen(fileName,"wb");
-       if(!f) {
-               PrintAndLog("Failed to write to file '%s'", fileName);
-               return 0;
-       }
-       fwrite(data, 1, datalen, fileHandle);
-       fclose(fileHandle);
-       PrintAndLog("Saved data to '%s'", fileName);
-
-       free(fileName);
-       return 0;
-}