armsrc/appmain.c

@@ -792,6 +792,12 @@ void UsbPacketReceived(uint8_t *packet, int len)
 			break;
 #endif
 
+#ifdef WITH_LF
+		case CMD_HID_CLONE_TAG:
+			CopyHIDtoT5567(c->arg[0], c->arg[1]);					// Clone HID tag by ID to T55x7
+			break;
+#endif
+
 		case CMD_FPGA_MAJOR_MODE_OFF:		// ## FPGA Control
 			FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 			SpinDelay(200);

armsrc/apps.h

@@ -94,6 +94,8 @@ void SimulateTagLowFrequency(int period, int gap, int ledcontrol);
 void CmdHIDsimTAG(int hi, int lo, int ledcontrol);
 void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol);
 void SimulateTagLowFrequencyBidir(int divisor, int max_bitlen);
+void CopyHIDtoT5567(int hi, int lo); // Clone an HID card to T5557/T5567
+
 
 /// iso14443.h
 void SimulateIso14443Tag(void);

armsrc/lfops.c

@@ -975,3 +975,109 @@ void CmdHIDdemodFSK(int findone, int *high, int *low, int ledcontrol)
 		WDT_HIT();
 	}
 }
+
+//----------------------
+// T5557/T5567 routines
+
+// Relevant times in microsecond
+// To compensate antenna falling times shorten the write times
+//  and enlarge the gap ones.
+#define start_gap 250 
+#define write_gap 160 
+#define write_0 144 //192
+#define write_1 400 //432 for T55x7; 448 for E5550
+
+//Write one bit to card
+void T5567WriteBit(int bit)
+{
+	FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
+	if (bit == 0)  SpinDelayUs(write_0);
+	else SpinDelayUs(write_1);
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	SpinDelayUs(write_gap);
+}
+
+//Write one card block in page 0, no lock
+void T5567WriteBlock(int Data, int Block)
+{
+
+	/* Make sure the tag is reset */
+//	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+//	SpinDelay(2500);
+
+	FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
+
+	// Give it a bit of time for the resonant antenna to settle.
+	// And for the tag to fully power up
+	SpinDelay(150);
+
+	// now start writting
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
+	SpinDelayUs(start_gap);
+
+  //Opcode
+  T5567WriteBit(1);
+  T5567WriteBit(0); //Page 0
+  //Lock bit
+  T5567WriteBit(0);
+  
+  //Data 
+  for (int i=0;i<32;i++){
+     T5567WriteBit(Data&(1<<(31-i)));
+  }	
+
+  //Page 
+  for (int i=0;i<3;i++){
+     T5567WriteBit(Block&(1<<(2-i)));
+  }	
+  
+  //Now perform write (nominal is 5.6 ms for T55x7 and 18ms for E5550,
+  //                   so wait a little more)
+ 	FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
+	FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_READER);
+	SpinDelay(20);
+	
+}
+
+//Copy HID id to card and setup block 0 config
+void CopyHIDtoT5567(int hi, int lo)
+{
+	int data1, data2, data3;
+
+  // ensure no more than 44 bits supplied
+	if (hi>0xFFF) {
+		DbpString("Tags can only have 44 bits.");
+		return;
+	}
+	
+	//Build the 3 data blocks for supplied 44bit ID
+	data1 = 0x1D000000; //load preamble
+	for (int i=0;i<12;i++){
+		if (hi & (1<<(11-i))) data1 |= (1<<(((11-i)*2)+1)); // 1 -> 10
+		else data1 |= (1<<((11-i)*2));                      // 0 -> 01
+	}
+	data2 = 0; 
+	for (int i=0;i<16;i++){
+		if (lo & (1<<(31-i))) data2 |= (1<<(((15-i)*2)+1)); // 1 -> 10
+		else data2 |= (1<<((15-i)*2));                      // 0 -> 01
+	}
+	data3 = 0; 
+	for (int i=0;i<16;i++){
+		if (lo & (1<<(15-i))) data3 |= (1<<(((15-i)*2)+1)); // 1 -> 10
+		else data3 |= (1<<((15-i)*2));                      // 0 -> 01
+	}
+
+	//Program the 3 data blocks for supplied 44bit ID
+	// and the block 0 for HID format
+  T5567WriteBlock(data1,1);
+  T5567WriteBlock(data2,2);
+  T5567WriteBlock(data3,3);
+  //Config for HID (RF/50;FSK2a;Maxblock=3)
+  T5567WriteBlock(0x00107060,0);
+
+	DbpString("DONE!");
+
+}	
+

client/cmdlfhid.c

@@ -60,12 +60,30 @@ int CmdHIDSim(const char *Cmd)
   return 0;
 }
 
+int CmdHIDClone(const char *Cmd)
+{
+  unsigned int hi = 0, lo = 0;
+  int n = 0, i = 0;
+
+  while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
+    hi = (hi << 4) | (lo >> 28);
+    lo = (lo << 4) | (n & 0xf);
+  }
+
+  PrintAndLog("Cloning tag with ID %x%08x", hi, lo);
+
+  UsbCommand c = {CMD_HID_CLONE_TAG, {hi, lo}};
+  SendCommand(&c);
+  return 0;
+}
+
 static command_t CommandTable[] = 
 {
   {"help",      CmdHelp,        1, "This help"},
   {"demod",     CmdHIDDemod,    1, "Demodulate HID Prox Card II (not optimal)"},
   {"fskdemod",  CmdHIDDemodFSK, 0, "Realtime HID FSK demodulator"},
   {"sim",       CmdHIDSim,      0, "<ID> -- HID tag simulator"},
+  {"clone",     CmdHIDClone,    0, "<ID> -- Clone HID to T55x7 (tag must be in antenna)"},
   {NULL, NULL, 0, NULL}
 };
 

include/usb_cmd.h

@@ -66,6 +66,8 @@ typedef struct {
 #define CMD_SET_LF_DIVISOR							0x020D
 #define CMD_LF_SIMULATE_BIDIR						0x020E
 #define CMD_SET_ADC_MUX									0x020F
+#define CMD_HID_CLONE_TAG								0x0210
+
 /* CMD_SET_ADC_MUX: ext1 is 0 for lopkd, 1 for loraw, 2 for hipkd, 3 for hiraw */
 
 // For the 13.56 MHz tags