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ADD: tnp3xxx identification in luascripts.
[proxmark3-svn] / client / cmdhficlass.c
diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index a59a9bac3e1289470355002fe0f5f32ce97c84d8..b097eea8811ae589c284a3c45814a5bab4f2dc9b 100644 (file)
--- a/client/cmdhficlass.c
+++ b/client/cmdhficlass.c
@@ -16,7 +16,6 @@
 #include <sys/stat.h>
 #include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
 #include "data.h"
 #include <sys/stat.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 "proxmark3.h"
 #include "ui.h"
 #include "cmdparser.h"
@@ -44,266 +43,17 @@ int xorbits_8(uint8_t val)
 
 int CmdHFiClassList(const char *Cmd)
 {
 
 int CmdHFiClassList(const char *Cmd)
 {
-
-       bool ShowWaitCycles = false;
-       char param = param_getchar(Cmd, 0);
-
-       if (param != 0) {
-               PrintAndLog("List data in trace buffer.");
-               PrintAndLog("Usage:  hf iclass list");
-               PrintAndLog("h - help");
-               PrintAndLog("sample: hf iclass list");
-               return 0;
-       }
-
-       uint8_t got[1920];
-       GetFromBigBuf(got,sizeof(got),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("     Start |       End | Src | Data");
-       PrintAndLog("-----------|-----------|-----|--------");
-
-       int i;
-       uint32_t first_timestamp = 0;
-       uint32_t timestamp;
-       bool tagToReader;
-       uint32_t parityBits;
-       uint8_t len;
-       uint8_t *frame;
-       uint32_t EndOfTransmissionTimestamp = 0;
-
-
-       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) {
-                       first_timestamp = timestamp;
-               }
-
-        // 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] = "";
-
-               if(len)//We have some data to display
-               {
-                       int j,oddparity;
-
-                       for(j = 0; j < len ; j++)
-                       {
-                               oddparity = 0x01 ^ xorbits_8(frame[j] & 0xFF);
-
-                               if (tagToReader && (oddparity != ((parityBits >> (len - j - 1)) & 0x01))) {
-                                       sprintf(line+(j*4), "%02x!  ", frame[j]);
-                               } else {
-                                       sprintf(line+(j*4), "%02x   ", frame[j]);
-                               }
-                       }
-               }else
-               {
-                       if (ShowWaitCycles) {
-                               sprintf(line, "fdt (Frame Delay Time): %d", (next_timestamp - timestamp));
-                       }
-               }
-
-               char *crc = "";
-
-               if(len > 2)
-               {
-                       uint8_t b1, b2;
-                       if(!tagToReader && 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);
-                       }
-
-                       if (b1 != frame[len-2] || b2 != frame[len-1]) {
-                               crc = (tagToReader & (len < 8)) ? "" : " !crc";
-                       }
-               }
-
-               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);
-       }
+       PrintAndLog("Deprecated command, use 'hf list iclass' instead");
        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;
-}
-
 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;
@@ -340,10 +90,10 @@ int CmdHFiClassSim(const char *Cmd)
 
        if(simType == 2)
        {
 
        if(simType == 2)
        {
-               UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,8}};
+               UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,NUM_CSNS}};
                UsbCommand resp = {0};
 
                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 ,
                         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 +102,26 @@ 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 };
                         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)) {
 
                SendCommand(&c);
                if (!WaitForResponseTimeout(CMD_ACK, &resp, -1)) {
@@ -362,9 +130,9 @@ int CmdHFiClassSim(const char *Cmd)
                }
 
                uint8_t num_mac_responses  = resp.arg[1];
                }
 
                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>....
                /*
                 * 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 +146,7 @@ int CmdHFiClassSim(const char *Cmd)
                void* dump = malloc(datalen);
                memset(dump,0,datalen);//<-- Need zeroes for the CC-field
                uint8_t i = 0;
                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...
                {
                        memcpy(dump+i*24, csns+i*8,8); //CSN
                        //8 zero bytes here...
@@ -410,7 +178,11 @@ int CmdHFiClassReader(const char *Cmd)
             uint8_t * data  = resp.d.asBytes;
 
             PrintAndLog("isOk:%02x", isOK);
             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 > 0)
             {
                 PrintAndLog("CSN: %s",sprint_hex(data,8));
@@ -495,17 +267,31 @@ int CmdHFiClassReader_Dump(const char *Cmd)
 
   }
 
 
   }
 
-
-  UsbCommand c = {CMD_READER_ICLASS, {0}};
-  c.arg[0] = FLAG_ICLASS_READER_ONLY_ONCE;
-
-  SendCommand(&c);
-  
   UsbCommand resp;
   uint8_t key_sel[8] = {0};
   uint8_t key_sel_p[8] = { 0 };
 
   UsbCommand resp;
   uint8_t key_sel[8] = {0};
   uint8_t key_sel_p[8] = { 0 };
 
-  if (WaitForResponseTimeout(CMD_ACK,&resp,4500)) {
+  //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| 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;
 
         uint8_t isOK    = resp.arg[0] & 0xff;
         uint8_t * data  = resp.d.asBytes;
 
@@ -529,6 +315,7 @@ int CmdHFiClassReader_Dump(const char *Cmd)
                 printvar("hash1", key_index,8);
                 for(i = 0; i < 8 ; i++)
                     key_sel[i] = keytable[key_index[i]] & 0xFF;
                 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);
                 printvar("k_sel", key_sel,8);
                 //Permute from iclass format to standard format
                 permutekey_rev(key_sel,key_sel_p);
@@ -545,8 +332,11 @@ int CmdHFiClassReader_Dump(const char *Cmd)
                 used_key = KEY;
 
             }
                 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);
             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("Div key", div_key, 8);
             printvar("CC_NR:",CCNR,12);
             doMAC(CCNR,12,div_key, MAC);
@@ -554,7 +344,7 @@ int CmdHFiClassReader_Dump(const char *Cmd)
 
             UsbCommand d = {CMD_READER_ICLASS_REPLAY, {readerType}};
             memcpy(d.d.asBytes, MAC, 4);
 
             UsbCommand d = {CMD_READER_ICLASS_REPLAY, {readerType}};
             memcpy(d.d.asBytes, MAC, 4);
-            SendCommand(&d);
+            if(!fake_dummy_test) SendCommand(&d);
 
         }else{
             PrintAndLog("Failed to obtain CC! Aborting");
 
         }else{
             PrintAndLog("Failed to obtain CC! Aborting");
@@ -643,19 +433,64 @@ int CmdHFiClass_iso14443A_write(const char *Cmd)
   }
   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"},
-  {"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}
+       {"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)
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