CHG: generic code clean up. Removal of commented code.

[proxmark3-svn] / client / cmdhficlass.c

diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index 7c31dab39974c3577fa085af87b524e202e6b729..b097eea8811ae589c284a3c45814a5bab4f2dc9b 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


@@ -12,234 +13,484 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

+#include <sys/stat.h>

 #include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
 #include "data.h"
 #include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
 #include "data.h"

-#include "proxusb.h"
+#include "proxmark3.h"

 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhficlass.h"
 #include "common.h"
 #include "util.h"
 #include "ui.h"
 #include "cmdparser.h"
 #include "cmdhficlass.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);
 
 
 static int CmdHelp(const char *Cmd);
 

-int CmdHFiClassList(const char *Cmd)
+int xorbits_8(uint8_t val)

 {
 {

-  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.
-
+    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 len = got[i+8];
+int CmdHFiClassList(const char *Cmd)
+{
+       PrintAndLog("Deprecated command, use 'hf list iclass' instead");
+       return 0;
+}

 
 

-    if (len > 100) {
-      break;
-    }
-    if (i + len >= 1900) {
-      break;
-    }
+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;
+  uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0};

 
 

-    uint8_t *frame = (got+i+9);
+  if (strlen(Cmd)<1) {
+       PrintAndLog("Usage:  hf iclass sim [0 <CSN>] | x");
+       PrintAndLog("        options");
+       PrintAndLog("                0 <CSN> simulate the given CSN");
+       PrintAndLog("                1       simulate default CSN");
+       PrintAndLog("                2       iterate CSNs, gather MACs");
+       PrintAndLog("        sample: hf iclass sim 0 031FEC8AF7FF12E0");
+       PrintAndLog("        sample: hf iclass sim 2");
+       return 0;
+  }    

 
 

-    // Break and stick with current result if buffer was not completely full
-    if (frame[0] == 0x44 && frame[1] == 0x44 && frame[3] == 0x44) { break; }
+  simType = param_get8(Cmd, 0);

 
 

-    char line[1000] = "";
-    int j;
-    for (j = 0; j < len; j++) {
-      int oddparity = 0x01;
-      int k;
+  if(simType == 0)
+  {
+         if (param_gethex(Cmd, 1, CSN, 16)) {
+                 PrintAndLog("A CSN should consist of 16 HEX symbols");
+                 return 1;
+         }
+         PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8));

 
 

-      for (k=0;k<8;k++) {
-        oddparity ^= (((frame[j] & 0xFF) >> k) & 0x01);
-      }
+  }
+  if(simType > 2)
+  {
+         PrintAndLog("Undefined simptype %d", simType);
+         return 1;
+  }
+  uint8_t numberOfCSNs=0;
+
+       if(simType == 2)
+       {
+               UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,NUM_CSNS}};
+               UsbCommand resp = {0};
+
+               /*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)) {
+                       PrintAndLog("Command timed out");
+                       return 0;
+               }
+
+               uint8_t num_mac_responses  = resp.arg[1];
+               PrintAndLog("Mac responses: %d MACs obtained (should be %d)", num_mac_responses,NUM_CSNS);
+
+               size_t datalen = NUM_CSNS*24;
+               /*
+                * Now, time to dump to file. We'll use this format:
+                * <8-byte CSN><8-byte CC><4 byte NR><4 byte MAC>....
+                * So, it should wind up as
+                * 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* dump = malloc(datalen);
+               memset(dump,0,datalen);//<-- Need zeroes for the CC-field
+               uint8_t i = 0;
+               for(i = 0 ; i < NUM_CSNS ; i++)
+               {
+                       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);
+
+               }
+               /** Now, save to dumpfile **/
+               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);
+       }

 
 

-      //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]);
-      }
-    }
+  return 0;
+}

 
 

-    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";
+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){
+                //Aborted
+                PrintAndLog("Quitting...");
+                return 0;
+            }
+            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 {
         } else {

-          crc = "";
+            PrintAndLog("Command execute timeout");

         }
         }

-      }
-    } else {
-      crc = ""; // SHORT

     }
 
     }
 

-    char metricString[100];
-    if (isResponse) {
-      sprintf(metricString, "%3d", metric);
-    } else {
-      strcpy(metricString, "   ");
-    }
+  return 0;
+}

 
 

-    PrintAndLog(" +%7d: %s: %s %s %s",
-      (prev < 0 ? 0 : (timestamp - prev)),
-      metricString,
-      (isResponse ? "TAG" : "   "), line, crc);
+int CmdHFiClassReader_Replay(const char *Cmd)
+{
+  uint8_t readerType = 0;
+  uint8_t MAC[4]={0x00, 0x00, 0x00, 0x00};

 
 

-    prev = timestamp;
-    i += (len + 9);
+  if (strlen(Cmd)<1) {
+    PrintAndLog("Usage:  hf iclass replay <MAC>");
+    PrintAndLog("        sample: hf iclass replay 00112233");
+    return 0;

   }
   }

-  return 0;
-}

 
 

-/*void iso14a_set_timeout(uint32_t timeout) {
-       UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_SET_TIMEOUT, 0, timeout}};
-       SendCommand(&c);
-}*/
+  if (param_gethex(Cmd, 0, MAC, 8)) {
+    PrintAndLog("MAC must include 8 HEX symbols");
+    return 1;
+  }

 
 

-int CmdHFiClassSnoop(const char *Cmd)
-{
-  UsbCommand c = {CMD_SNOOP_ICLASS};
+  UsbCommand c = {CMD_READER_ICLASS_REPLAY, {readerType}};
+  memcpy(c.d.asBytes, MAC, 4);

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

+

   return 0;
 }
 
   return 0;
 }
 

-int CmdHFiClassSim(const char *Cmd)
+int CmdHFiClassReader_Dump(const char *Cmd)

 {
 {

-  uint8_t simType = 0;
-  uint8_t CSN[8] = {0, 0, 0, 0, 0, 0, 0, 0};
+  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 (strlen(Cmd)<2) {
-       PrintAndLog("Usage:  hf iclass sim    <sim type> <CSN (16 hex symbols)>");
-       PrintAndLog("        sample: hf iclass sim 0 031FEC8AF7FF12E0");
-       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);

 
 

-  simType = param_get8(Cmd, 0);
-  if (param_gethex(Cmd, 1, CSN, 16)) {
-       PrintAndLog("A CSN should consist of 16 HEX symbols");
-       return 1;

   }
   }

-  PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8));

 
 

-  UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType}};
-  memcpy(c.d.asBytes, CSN, 8);
-  SendCommand(&c);
+  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 * resp = WaitForResponseTimeout(CMD_ACK, 1500);
-  if (resp != NULL) {
-       uint8_t                isOK  = resp->arg[0] & 0xff;
-       PrintAndLog("isOk:%02x", isOK);
-  } else {
-       PrintAndLog("Command execute timeout");
-  }*/
+
+  UsbCommand c = {CMD_READER_ICLASS, {0}};
+  c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE| FLAG_ICLASS_READER_GET_CC;
+  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;
 }
 
 
   return 0;
 }
 

-int CmdHFiClassReader(const char *Cmd)
+int CmdHFiClass_iso14443A_write(const char *Cmd)

 {
   uint8_t readerType = 0;
 {
   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 (strlen(Cmd)<1) {
-       PrintAndLog("Usage:  hf iclass reader    <reader type>");
-       PrintAndLog("        sample: hf iclass reader 0");
-       return 0;
-  }    
-
-  readerType = param_get8(Cmd, 0);
-  PrintAndLog("--readertype:%02x", readerType);
-
-  UsbCommand c = {CMD_READER_ICLASS, {readerType}};
-  //memcpy(c.d.asBytes, CSN, 8);
+  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);
   SendCommand(&c);

-
-  /*UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);
-  if (resp != NULL) {
-       uint8_t                isOK  = resp->arg[0] & 0xff;
+  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;
 }

+int CmdHFiClass_loclass(const char *Cmd)
+{
+       char opt = param_getchar(Cmd, 0);
+
+       if (strlen(Cmd)<1 || opt == 'h') {
+               PrintAndLog("Usage: hf iclass loclass [options]");
+               PrintAndLog("Options:");
+               PrintAndLog("h             Show this help");
+               PrintAndLog("t             Perform self-test");
+               PrintAndLog("f <filename>  Bruteforce iclass dumpfile");
+               PrintAndLog("                   An iclass dumpfile is assumed to consist of an arbitrary number of");
+               PrintAndLog("                   malicious CSNs, and their protocol responses");
+               PrintAndLog("                   The the binary format of the file is expected to be as follows: ");
+               PrintAndLog("                   <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
+               PrintAndLog("                   <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
+               PrintAndLog("                   <8 byte CSN><8 byte CC><4 byte NR><4 byte MAC>");
+               PrintAndLog("                  ... totalling N*24 bytes");
+               return 0;
+       }
+       char fileName[255] = {0};
+       if(opt == 'f')
+       {
+                       if(param_getstr(Cmd, 1, fileName) > 0)
+                       {
+                               return bruteforceFileNoKeys(fileName);
+                       }else
+                       {
+                               PrintAndLog("You must specify a filename");
+                       }
+       }
+       else if(opt == 't')
+       {
+               int errors = testCipherUtils();
+               errors += testMAC();
+               errors += doKeyTests(0);
+               errors += testElite();
+               if(errors)
+               {
+                       prnlog("OBS! There were errors!!!");
+               }
+               return errors;
+       }
+
+       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"},
-  {NULL, NULL, 0, NULL}
+       {"help",        CmdHelp,                        1,      "This help"},
+       {"list",        CmdHFiClassList,        0,      "[Deprecated] 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"},
+       {"loclass",     CmdHFiClass_loclass,    1,      "Use loclass to perform bruteforce of reader attack dump"},
+       {NULL, NULL, 0, NULL}

 };
 
 int CmdHFiClass(const char *Cmd)
 };
 
 int CmdHFiClass(const char *Cmd)