]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhficlass.c
minor change
[proxmark3-svn] / client / cmdhficlass.c
index 91b5d8980f40dfed3d4ee66ddecd302842a3cd5f..c2045952278622136f3e49f6e27f3e5cf953e416 100644 (file)
@@ -1,7 +1,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
 // Copyright (C) 2011 Gerhard de Koning Gans
-// Copyright (C) 2014 Midnitesnake & Andy Davies
+// 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
@@ -88,7 +88,7 @@ int CmdHFiClassList(const char *Cmd)
                timestamp = *((uint32_t *)(got+i));
                parityBits = *((uint32_t *)(got+i+4));
                len = got[i+8];
-               frame = (got+i+9);
+        frame = (got+i+9);
                uint32_t next_timestamp = (*((uint32_t *)(got+i+9))) & 0x7fffffff;
 
                tagToReader = timestamp & 0x80000000;
@@ -98,7 +98,7 @@ int CmdHFiClassList(const char *Cmd)
                        first_timestamp = timestamp;
                }
 
-               // Break and stick with current result if buffer was not completely full
+        // Break and stick with current result idf buffer was not completely full
                if (frame[0] == 0x44 && frame[1] == 0x44 && frame[2] == 0x44 && frame[3] == 0x44) break;
 
                char line[1000] = "";
@@ -303,7 +303,7 @@ int CmdHFiClassSnoop(const char *Cmd)
   SendCommand(&c);
   return 0;
 }
-
+#define NUM_CSNS 15
 int CmdHFiClassSim(const char *Cmd)
 {
   uint8_t simType = 0;
@@ -340,10 +340,10 @@ int CmdHFiClassSim(const char *Cmd)
 
        if(simType == 2)
        {
-               UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,63}};
+               UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,NUM_CSNS}};
                UsbCommand resp = {0};
 
-               uint8_t csns[64] = {
+               /*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 ,
@@ -352,8 +352,26 @@ int CmdHFiClassSim(const char *Cmd)
                         0x4b,0x5e,0x0b,0x72,0xef,0xff,0x12,0xe0 ,
                         0x00,0x73,0xd8,0x75,0x58,0xff,0x12,0xe0 ,
                         0x0c,0x90,0x32,0xf3,0x5d,0xff,0x12,0xe0 };
-
-               memcpy(c.d.asBytes, csns, 64);
+*/
+      
+       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)) {
@@ -362,9 +380,9 @@ int CmdHFiClassSim(const char *Cmd)
                }
 
                uint8_t num_mac_responses  = resp.arg[1];
-               PrintAndLog("Mac responses: %d MACs obtained (should be 8)", num_mac_responses);
+               PrintAndLog("Mac responses: %d MACs obtained (should be %d)", num_mac_responses,NUM_CSNS);
 
-               size_t datalen = 8*24;
+               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>....
@@ -378,7 +396,7 @@ int CmdHFiClassSim(const char *Cmd)
                void* dump = malloc(datalen);
                memset(dump,0,datalen);//<-- Need zeroes for the CC-field
                uint8_t i = 0;
-               for(i = 0 ; i < 8 ; i++)
+               for(i = 0 ; i < NUM_CSNS ; i++)
                {
                        memcpy(dump+i*24, csns+i*8,8); //CSN
                        //8 zero bytes here...
@@ -401,19 +419,30 @@ int CmdHFiClassSim(const char *Cmd)
 
 int CmdHFiClassReader(const char *Cmd)
 {
-  uint8_t readerType = 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}};
+  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;
 }
@@ -450,13 +479,20 @@ int CmdHFiClassReader_Dump(const char *Cmd)
   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> <CSN> <CC>");
-    //PrintAndLog("        sample: hf iclass dump 0011223344556677 aabbccddeeffgghh FFFFFFFFFFFFFFFF");
-    PrintAndLog("Usage:  hf iclass dump <Key>");
+    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;
   }
 
@@ -465,43 +501,103 @@ int CmdHFiClassReader_Dump(const char *Cmd)
     PrintAndLog("KEY must include 16 HEX symbols");
     return 1;
   }
-  
-  /*if (param_gethex(Cmd, 1, CSN, 16)) 
+
+  if (param_getchar(Cmd, 1) == 'e')
   {
-    PrintAndLog("CSN must include 16 HEX symbols");
-    return 1;
+    PrintAndLog("Elite switch on");
+    elite = 1;
+
+    //calc h2
+    hash2(KEY, keytable);
+    printarr_human_readable("keytable", keytable, 128);
+
   }
-  if (param_gethex(Cmd, 2, CC_temp, 16)) 
+
+  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)
   {
-    PrintAndLog("CC must include 16 HEX symbols");
-    return 1;
-  }*/
+    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;    
+  }
   
-  UsbCommand c = {CMD_ICLASS_ISO14443A_GETPUBLIC, {0}};
-  //memcpy(c.d.asBytes, MAC, 4);
-  SendCommand(&c);
+  //End hack
+
+
+  UsbCommand c = {CMD_READER_ICLASS, {0}};
+  c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE;
+  if(!fake_dummy_test)   
+    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");
-  }
 
-  diversifyKey(CSN,KEY, div_key);
 
-  doMAC(CCNR,div_key, MAC);
+  if (fake_dummy_test || WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
+        uint8_t isOK    = resp.arg[0] & 0xff;
+        uint8_t * data  = resp.d.asBytes;
 
-  UsbCommand d = {CMD_READER_ICLASS_REPLAY, {readerType}};
-  memcpy(d.d.asBytes, MAC, 4);
-  SendCommand(&d);
+        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;
 }
@@ -543,7 +639,7 @@ int CmdHFiClass_iso14443A_write(const char *Cmd)
         return 1;
   }
   
-  UsbCommand c = {CMD_ICLASS_ISO14443A_GETPUBLIC, {0}};
+  UsbCommand c = {CMD_ICLASS_ISO14443A_WRITE, {0}};
   SendCommand(&c);
   UsbCommand resp;
 
@@ -563,7 +659,7 @@ int CmdHFiClass_iso14443A_write(const char *Cmd)
   diversifyKey(CSN,KEY, div_key);
 
   PrintAndLog("Div Key: %s",sprint_hex(div_key,8));
-  doMAC(CCNR, div_key, MAC);
+  doMAC(CCNR, 12,div_key, MAC);
 
   UsbCommand c2 = {CMD_ICLASS_ISO14443A_WRITE, {readerType,blockNo}};
   memcpy(c2.d.asBytes, bldata, 8);
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