-//-----------------------------------------------------------------------------
+ //-----------------------------------------------------------------------------
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
#include <stdio.h>
#include <string.h>
-#include "proxusb.h"
+#include <inttypes.h>
+#include "proxmark3.h"
#include "ui.h"
#include "graph.h"
+#include "cmdmain.h"
#include "cmdparser.h"
#include "cmddata.h"
#include "cmdlf.h"
#include "cmdlfem4x.h"
+#include "util.h"
+#include "data.h"
+#define LF_TRACE_BUFF_SIZE 12000
+#define LF_BITSSTREAM_LEN 1000
+
+char *global_em410xId;
static int CmdHelp(const char *Cmd);
+int CmdEMdemodASK(const char *Cmd)
+{
+ char cmdp = param_getchar(Cmd, 0);
+ int findone = (cmdp == '1') ? 1 : 0;
+ UsbCommand c = { CMD_EM410X_DEMOD };
+ c.arg[0] = findone;
+ SendCommand(&c);
+ return 0;
+}
+
/* Read the ID of an EM410x tag.
* Format:
* 1111 1111 1 <-- standard non-repeatable header
{
int i, j, clock, header, rows, bit, hithigh, hitlow, first, bit2idx, high, low;
int parity[4];
- char id[11];
+ char id[11] = {0x00};
+ char id2[11] = {0x00};
int retested = 0;
uint8_t BitStream[MAX_GRAPH_TRACE_LEN];
high = low = 0;
- /* Detect high and lows and clock */
- for (i = 0; i < GraphTraceLen; i++)
- {
- if (GraphBuffer[i] > high)
- high = GraphBuffer[i];
- else if (GraphBuffer[i] < low)
- low = GraphBuffer[i];
- }
-
- /* get clock */
- clock = GetClock(Cmd, high, 0);
+ // get clock
+ clock = GetClock(Cmd, 0);
+
+ // Detect high and lows and clock
+ DetectHighLowInGraph( &high, &low, TRUE);
- /* parity for our 4 columns */
+ PrintAndLog("NUMNUM");
+
+ // parity for our 4 columns
parity[0] = parity[1] = parity[2] = parity[3] = 0;
header = rows = 0;
- /* manchester demodulate */
+ // manchester demodulate
bit = bit2idx = 0;
for (i = 0; i < (int)(GraphTraceLen / clock); i++)
{
/* Find out if we hit both high and low peaks */
for (j = 0; j < clock; j++)
{
- if (GraphBuffer[(i * clock) + j] == high)
+ if (GraphBuffer[(i * clock) + j] >= high)
hithigh = 1;
- else if (GraphBuffer[(i * clock) + j] == low)
+ else if (GraphBuffer[(i * clock) + j] <= low)
hitlow = 1;
/* it doesn't count if it's the first part of our read
BitStream[bit2idx++] = bit;
}
-
+
retest:
/* We go till 5 before the graph ends because we'll get that far below */
- for (i = 1; i < bit2idx - 5; i++)
+ for (i = 0; i < bit2idx - 5; i++)
{
/* Step 2: We have our header but need our tag ID */
if (header == 9 && rows < 10)
{
/* Read another byte! */
sprintf(id+rows, "%x", (8 * BitStream[i]) + (4 * BitStream[i+1]) + (2 * BitStream[i+2]) + (1 * BitStream[i+3]));
+ sprintf(id2+rows, "%x", (8 * BitStream[i+3]) + (4 * BitStream[i+2]) + (2 * BitStream[i+1]) + (1 * BitStream[i]));
rows++;
/* Keep parity info */
PrintAndLog("Thought we had a valid tag but failed at word %d (i=%d)", rows + 1, i);
/* Start back rows * 5 + 9 header bits, -1 to not start at same place */
- i -= 9 + (5 * rows) - 5;
+ i -= 9 + (5 * rows) -5;
rows = header = 0;
}
{
/* Sweet! */
PrintAndLog("EM410x Tag ID: %s", id);
+ PrintAndLog("Unique Tag ID: %s", id2);
+ global_em410xId = id;
+
/* Stop any loops */
return 1;
}
}
/* if we've already retested after flipping bits, return */
- if (retested++)
- return 0;
+ if (retested++){
+ PrintAndLog("Failed to decode");
+ return 0;
+ }
/* if this didn't work, try flipping bits */
- for (i = 0; i < bit2idx; i++)
- BitStream[i] ^= 1;
+ for (i = 0; i < bit2idx; i++)
+ BitStream[i] ^= 1;
goto retest;
}
* 0 <-- stop bit, end of tag
*/
int CmdEM410xSim(const char *Cmd)
-{
- int i, n, j, h, binary[4], parity[4];
-
+{
+ int i, n, j, binary[4], parity[4];
+
+ char cmdp = param_getchar(Cmd, 0);
+ uint8_t uid[5] = {0x00};
+
+ if (cmdp == 'h' || cmdp == 'H') {
+ PrintAndLog("Usage: lf em4x 410xsim <UID>");
+ PrintAndLog("");
+ PrintAndLog(" sample: lf em4x 410xsim 0F0368568B");
+ return 0;
+ }
+
+ if (param_gethex(Cmd, 0, uid, 10)) {
+ PrintAndLog("UID must include 10 HEX symbols");
+ return 0;
+ }
+
+ PrintAndLog("Starting simulating UID %02X%02X%02X%02X%02X", uid[0],uid[1],uid[2],uid[3],uid[4]);
+ PrintAndLog("Press pm3-button to about simulation");
+
/* clock is 64 in EM410x tags */
int clock = 64;
/* clear our graph */
ClearGraph(0);
-
- /* write it out a few times */
- for (h = 0; h < 4; h++)
- {
+
/* write 9 start bits */
for (i = 0; i < 9; i++)
AppendGraph(0, clock, 1);
AppendGraph(0, clock, parity[2]);
AppendGraph(0, clock, parity[3]);
- /* stop bit */
- AppendGraph(0, clock, 0);
- }
-
- /* modulate that biatch */
- CmdManchesterMod("");
-
- /* booyah! */
- RepaintGraphWindow();
-
- CmdLFSim("");
+ /* stop bit */
+ AppendGraph(1, clock, 0);
+
+ CmdLFSim("240"); //240 start_gap.
return 0;
}
-/* Function is equivalent of loread + losamples + em410xread
- * looped until an EM410x tag is detected */
+/* Function is equivalent of lf read + data samples + em410xread
+ * looped until an EM410x tag is detected
+ *
+ * Why is CmdSamples("16000")?
+ * TBD: Auto-grow sample size based on detected sample rate. IE: If the
+ * rate gets lower, then grow the number of samples
+ * Changed by martin, 4000 x 4 = 16000,
+ * see http://www.proxmark.org/forum/viewtopic.php?pid=7235#p7235
+
+*/
int CmdEM410xWatch(const char *Cmd)
{
- do
- {
- CmdLFRead("");
- CmdSamples("2000");
- } while ( ! CmdEM410xRead(""));
+ char cmdp = param_getchar(Cmd, 0);
+ int read_h = (cmdp == 'h');
+ do {
+ if (ukbhit()) {
+ printf("\naborted via keyboard!\n");
+ break;
+ }
+
+ CmdLFRead(read_h ? "h" : "");
+ CmdSamples("6000");
+ } while (
+ !CmdEM410xRead("")
+ );
+ return 0;
+}
+
+int CmdEM410xWatchnSpoof(const char *Cmd)
+{
+ CmdEM410xWatch(Cmd);
+ PrintAndLog("# Replaying : %s",global_em410xId);
+ CmdEM410xSim(global_em410xId);
return 0;
}
*/
int CmdEM4x50Read(const char *Cmd)
{
- int i, j, startblock, clock, skip, block, start, end, low, high;
+ int i, j, startblock, skip, block, start, end, low, high;
bool complete= false;
int tmpbuff[MAX_GRAPH_TRACE_LEN / 64];
char tmp[6];
high= low= 0;
- clock= 64;
memset(tmpbuff, 0, MAX_GRAPH_TRACE_LEN / 64);
/* first get high and low values */
++i;
while ((GraphBuffer[i] > low) && (i<GraphTraceLen))
++i;
- if (j>(MAX_GRAPH_TRACE_LEN/64)) {
+ if (j>=(MAX_GRAPH_TRACE_LEN/64)) {
break;
}
tmpbuff[j++]= i - start;
int CmdEM410xWrite(const char *Cmd)
{
- uint64_t id = 0;
- unsigned int card;
+ uint64_t id = 0xFFFFFFFFFFFFFFFF; // invalid id value
+ int card = 0xFF; // invalid card value
+ unsigned int clock = 0; // invalid clock value
+
+ sscanf(Cmd, "%" PRIx64 " %d %d", &id, &card, &clock);
+
+ // Check ID
+ if (id == 0xFFFFFFFFFFFFFFFF) {
+ PrintAndLog("Error! ID is required.\n");
+ return 0;
+ }
+ if (id >= 0x10000000000) {
+ PrintAndLog("Error! Given EM410x ID is longer than 40 bits.\n");
+ return 0;
+ }
+
+ // Check Card
+ if (card == 0xFF) {
+ PrintAndLog("Error! Card type required.\n");
+ return 0;
+ }
+ if (card < 0) {
+ PrintAndLog("Error! Bad card type selected.\n");
+ return 0;
+ }
+
+ // Check Clock
+ if (card == 1)
+ {
+ // Default: 64
+ if (clock == 0)
+ clock = 64;
+
+ // Allowed clock rates: 16, 32 and 64
+ if ((clock != 16) && (clock != 32) && (clock != 64)) {
+ PrintAndLog("Error! Clock rate %d not valid. Supported clock rates are 16, 32 and 64.\n", clock);
+ return 0;
+ }
+ }
+ else if (clock != 0)
+ {
+ PrintAndLog("Error! Clock rate is only supported on T55x7 tags.\n");
+ return 0;
+ }
+
+ if (card == 1) {
+ PrintAndLog("Writing %s tag with UID 0x%010" PRIx64 " (clock rate: %d)", "T55x7", id, clock);
+ // NOTE: We really should pass the clock in as a separate argument, but to
+ // provide for backwards-compatibility for older firmware, and to avoid
+ // having to add another argument to CMD_EM410X_WRITE_TAG, we just store
+ // the clock rate in bits 8-15 of the card value
+ card = (card & 0xFF) | (((uint64_t)clock << 8) & 0xFF00);
+ }
+ else if (card == 0)
+ PrintAndLog("Writing %s tag with UID 0x%010" PRIx64, "T5555", id, clock);
+ else {
+ PrintAndLog("Error! Bad card type selected.\n");
+ return 0;
+ }
- sscanf(Cmd, "%lx %d", &id, &card);
+ UsbCommand c = {CMD_EM410X_WRITE_TAG, {card, (uint32_t)(id >> 32), (uint32_t)id}};
+ SendCommand(&c);
- if (id >= 0x10000000000) {
- PrintAndLog("Error! Given EM410x ID is longer than 40 bits.\n");
- return 0;
- }
+ return 0;
+}
- if (card > 1) {
- PrintAndLog("Error! Bad card type selected.\n");
- return 0;
- }
+int CmdReadWord(const char *Cmd)
+{
+ int Word = -1; //default to invalid word
+ UsbCommand c;
+
+ sscanf(Cmd, "%d", &Word);
+
+ if ( (Word > 15) | (Word < 0) ) {
+ PrintAndLog("Word must be between 0 and 15");
+ return 1;
+ }
+
+ PrintAndLog("Reading word %d", Word);
+
+ c.cmd = CMD_EM4X_READ_WORD;
+ c.d.asBytes[0] = 0x0; //Normal mode
+ c.arg[0] = 0;
+ c.arg[1] = Word;
+ c.arg[2] = 0;
+ SendCommand(&c);
+ WaitForResponse(CMD_ACK, NULL);
+
+ uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};
+
+ GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0); //3560 -- should be offset..
+ WaitForResponseTimeout(CMD_ACK,NULL, 1500);
+
+ for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {
+ GraphBuffer[j] = ((int)data[j]);
+ }
+ GraphTraceLen = LF_TRACE_BUFF_SIZE;
+
+ uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};
+ uint8_t * bitstream = bits;
+ manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream,LF_BITSSTREAM_LEN);
+ RepaintGraphWindow();
+ return 0;
+}
- PrintAndLog("Writing %s tag with UID 0x%010lx", card ? "T55x7":"T5555", id);
- UsbCommand c = {CMD_EM410X_WRITE_TAG, {card, (uint32_t)(id >> 32), (uint32_t)id}};
+int CmdReadWordPWD(const char *Cmd)
+{
+ int Word = -1; //default to invalid word
+ int Password = 0xFFFFFFFF; //default to blank password
+ UsbCommand c;
+
+ sscanf(Cmd, "%d %x", &Word, &Password);
+
+ if ( (Word > 15) | (Word < 0) ) {
+ PrintAndLog("Word must be between 0 and 15");
+ return 1;
+ }
+
+ PrintAndLog("Reading word %d with password %08X", Word, Password);
+
+ c.cmd = CMD_EM4X_READ_WORD;
+ c.d.asBytes[0] = 0x1; //Password mode
+ c.arg[0] = 0;
+ c.arg[1] = Word;
+ c.arg[2] = Password;
+ SendCommand(&c);
+ WaitForResponse(CMD_ACK, NULL);
+
+ uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};
+
+ GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0); //3560 -- should be offset..
+ WaitForResponseTimeout(CMD_ACK,NULL, 1500);
+
+ for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {
+ GraphBuffer[j] = ((int)data[j]);
+ }
+ GraphTraceLen = LF_TRACE_BUFF_SIZE;
+
+ uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};
+ uint8_t * bitstream = bits;
+ manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN);
+ RepaintGraphWindow();
+ return 0;
+}
+
+int CmdWriteWord(const char *Cmd)
+{
+ int Word = 16; //default to invalid block
+ int Data = 0xFFFFFFFF; //default to blank data
+ UsbCommand c;
+
+ sscanf(Cmd, "%x %d", &Data, &Word);
+
+ if (Word > 15) {
+ PrintAndLog("Word must be between 0 and 15");
+ return 1;
+ }
+
+ PrintAndLog("Writing word %d with data %08X", Word, Data);
+
+ c.cmd = CMD_EM4X_WRITE_WORD;
+ c.d.asBytes[0] = 0x0; //Normal mode
+ c.arg[0] = Data;
+ c.arg[1] = Word;
+ c.arg[2] = 0;
SendCommand(&c);
+ return 0;
+}
+int CmdWriteWordPWD(const char *Cmd)
+{
+ int Word = 16; //default to invalid word
+ int Data = 0xFFFFFFFF; //default to blank data
+ int Password = 0xFFFFFFFF; //default to blank password
+ UsbCommand c;
+
+ sscanf(Cmd, "%x %d %x", &Data, &Word, &Password);
+
+ if (Word > 15) {
+ PrintAndLog("Word must be between 0 and 15");
+ return 1;
+ }
+
+ PrintAndLog("Writing word %d with data %08X and password %08X", Word, Data, Password);
+
+ c.cmd = CMD_EM4X_WRITE_WORD;
+ c.d.asBytes[0] = 0x1; //Password mode
+ c.arg[0] = Data;
+ c.arg[1] = Word;
+ c.arg[2] = Password;
+ SendCommand(&c);
return 0;
}
static command_t CommandTable[] =
{
- {"help", CmdHelp, 1, "This help"},
- {"em410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag"},
- {"em410xsim", CmdEM410xSim, 0, "<UID> -- Simulate EM410x tag"},
- {"em410xwatch", CmdEM410xWatch, 0, "Watches for EM410x tags"},
- {"em410xwrite", CmdEM410xWrite, 1, "<UID> <'0' T5555> <'1' T55x7> -- Write EM410x UID to T5555(Q5) or T55x7 tag"},
- {"em4x50read", CmdEM4x50Read, 1, "Extract data from EM4x50 tag"},
+ {"help", CmdHelp, 1, "This help"},
+ {"410xdemod", CmdEMdemodASK, 0, "[clock rate] -- Extract ID from EM410x tag"},
+ {"410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag"},
+ {"410xsim", CmdEM410xSim, 0, "<UID> -- Simulate EM410x tag"},
+ {"replay", MWRem4xReplay, 0, "Watches for tag and simulates manchester encoded em4x tag"},
+ {"410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"},
+ {"410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" },
+ {"410xwrite", CmdEM410xWrite, 1, "<UID> <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"},
+ {"4x50read", CmdEM4x50Read, 1, "Extract data from EM4x50 tag"},
+ {"rd", CmdReadWord, 1, "<Word 1-15> -- Read EM4xxx word data"},
+ {"rdpwd", CmdReadWordPWD, 1, "<Word 1-15> <Password> -- Read EM4xxx word data in password mode "},
+ {"wr", CmdWriteWord, 1, "<Data> <Word 1-15> -- Write EM4xxx word data"},
+ {"wrpwd", CmdWriteWordPWD, 1, "<Data> <Word 1-15> <Password> -- Write EM4xxx word data in password mode"},
{NULL, NULL, 0, NULL}
};
+
+//Confirms the parity of a bitstream as well as obtaining the data (TagID) from within the appropriate memory space.
+//Arguments:
+// Pointer to a string containing the desired bitsream
+// Pointer to a string that will receive the decoded tag ID
+// Length of the bitsream pointed at in the first argument, char* _strBitStream
+//Retuns:
+//1 Parity confirmed
+//0 Parity not confirmed
+int ConfirmEm410xTagParity( char* _strBitStream, char* pID, int LengthOfBitstream )
+{
+ int i = 0;
+ int rows = 0;
+ int Parity[4] = {0x00};
+ char ID[11] = {0x00};
+ int k = 0;
+ int BitStream[70] = {0x00};
+ int counter = 0;
+ //prepare variables
+ for ( i = 0; i <= LengthOfBitstream; i++)
+ {
+ if (_strBitStream[i] == '1')
+ {
+ k =1;
+ memcpy(&BitStream[i], &k,4);
+ }
+ else if (_strBitStream[i] == '0')
+ {
+ k = 0;
+ memcpy(&BitStream[i], &k,4);
+ }
+ }
+ while ( counter < 2 )
+ {
+ //set/reset variables and counters
+ memset(ID,0x00,sizeof(ID));
+ memset(Parity,0x00,sizeof(Parity));
+ rows = 0;
+ for ( i = 9; i <= LengthOfBitstream; i++)
+ {
+ if ( rows < 10 )
+ {
+ if ((BitStream[i] ^ BitStream[i+1] ^ BitStream[i+2] ^ BitStream[i+3]) == BitStream[i+4])
+ {
+ sprintf(ID+rows, "%x", (8 * BitStream[i]) + (4 * BitStream[i+1]) + (2 * BitStream[i+2]) + (1 * BitStream[i+3]));
+ rows++;
+ /* Keep parity info and move four bits ahead*/
+ Parity[0] ^= BitStream[i];
+ Parity[1] ^= BitStream[i+1];
+ Parity[2] ^= BitStream[i+2];
+ Parity[3] ^= BitStream[i+3];
+ i += 4;
+ }
+ }
+ if ( rows == 10 )
+ {
+ if ( BitStream[i] == Parity[0] && BitStream[i+1] == Parity[1] &&
+ BitStream[i+2] == Parity[2] && BitStream[i+3] == Parity[3] &&
+ BitStream[i+4] == 0)
+ {
+ memcpy(pID,ID,strlen(ID));
+ return 1;
+ }
+ }
+ }
+ printf("[PARITY ->]Failed. Flipping Bits, and rechecking parity for bitstream:\n[PARITY ->]");
+ for (k = 0; k < LengthOfBitstream; k++)
+ {
+ BitStream[k] ^= 1;
+ printf("%i", BitStream[k]);
+ }
+ puts(" ");
+ counter++;
+ }
+ return 0;
+}
+//Reads and demodulates an em410x RFID tag. It further allows slight modification to the decoded bitstream
+//Once a suitable bitstream has been identified, and if needed, modified, it is replayed. Allowing emulation of the
+//"stolen" rfid tag.
+//No meaningful returns or arguments.
+int MWRem4xReplay(const char* Cmd)
+{
+ // //header traces
+ // static char ArrayTraceZero[] = { '0','0','0','0','0','0','0','0','0' };
+ // static char ArrayTraceOne[] = { '1','1','1','1','1','1','1','1','1' };
+ // //local string variables
+ // char strClockRate[10] = {0x00};
+ // char strAnswer[4] = {0x00};
+ // char strTempBufferMini[2] = {0x00};
+ // //our outbound bit-stream
+ // char strSimulateBitStream[65] = {0x00};
+ // //integers
+ // int iClockRate = 0;
+ // int needle = 0;
+ // int j = 0;
+ // int iFirstHeaderOffset = 0x00000000;
+ // int numManchesterDemodBits=0;
+ // //boolean values
+ // bool bInverted = false;
+ // //pointers to strings. memory will be allocated.
+ // char* pstrInvertBitStream = 0x00000000;
+ // char* pTempBuffer = 0x00000000;
+ // char* pID = 0x00000000;
+ // char* strBitStreamBuffer = 0x00000000;
+
+
+ // puts("###################################");
+ // puts("#### Em4x Replay ##");
+ // puts("#### R.A.M. June 2013 ##");
+ // puts("###################################");
+ // //initialize
+ // CmdLFRead("");
+ // //Collect ourselves 10,000 samples
+ // CmdSamples("10000");
+ // puts("[->]preforming ASK demodulation\n");
+ // //demodulate ask
+ // Cmdaskdemod("0");
+ // iClockRate = DetectClock(0);
+ // sprintf(strClockRate, "%i\n",iClockRate);
+ // printf("[->]Detected ClockRate: %s\n", strClockRate);
+
+ // //If detected clock rate is something completely unreasonable, dont go ahead
+ // if ( iClockRate < 0xFFFE )
+ // {
+ // pTempBuffer = (char*)malloc(MAX_GRAPH_TRACE_LEN);
+ // if (pTempBuffer == 0x00000000)
+ // return 0;
+ // memset(pTempBuffer,0x00,MAX_GRAPH_TRACE_LEN);
+ // //Preform manchester de-modulation and display in a single line.
+ // numManchesterDemodBits = CmdManchesterDemod( strClockRate );
+ // //note: numManchesterDemodBits is set above in CmdManchesterDemod()
+ // if ( numManchesterDemodBits == 0 )
+ // return 0;
+ // strBitStreamBuffer = malloc(numManchesterDemodBits+1);
+ // if ( strBitStreamBuffer == 0x00000000 )
+ // return 0;
+ // memset(strBitStreamBuffer, 0x00, (numManchesterDemodBits+1));
+ // //fill strBitStreamBuffer with demodulated, string formatted bits.
+ // for ( j = 0; j <= numManchesterDemodBits; j++ )
+ // {
+ // sprintf(strTempBufferMini, "%i",BitStream[j]);
+ // strcat(strBitStreamBuffer,strTempBufferMini);
+ // }
+ // printf("[->]Demodulated Bitstream: \n%s\n", strBitStreamBuffer);
+ // //Reset counter and select most probable bit stream
+ // j = 0;
+ // while ( j < numManchesterDemodBits )
+ // {
+ // memset(strSimulateBitStream,0x00,64);
+ // //search for header of nine (9) 0's : 000000000 or nine (9) 1's : 1111 1111 1
+ // if ( ( strncmp(strBitStreamBuffer+j, ArrayTraceZero, sizeof(ArrayTraceZero)) == 0 ) ||
+ // ( strncmp(strBitStreamBuffer+j, ArrayTraceOne, sizeof(ArrayTraceOne)) == 0 ) )
+ // {
+ // iFirstHeaderOffset = j;
+ // memcpy(strSimulateBitStream, strBitStreamBuffer+j,64);
+ // printf("[->]Offset of Header");
+ // if ( strncmp(strBitStreamBuffer+iFirstHeaderOffset, "0", 1) == 0 )
+ // printf("'%s'", ArrayTraceZero );
+ // else
+ // printf("'%s'", ArrayTraceOne );
+ // printf(": %i\nHighlighted string : %s\n",iFirstHeaderOffset,strSimulateBitStream);
+ // //allow us to escape loop or choose another frame
+ // puts("[<-]Are we happy with this sample? [Y]es/[N]o");
+ // gets(strAnswer);
+ // if ( ( strncmp(strAnswer,"y",1) == 0 ) || ( strncmp(strAnswer,"Y",1) == 0 ) )
+ // {
+ // j = numManchesterDemodBits+1;
+ // break;
+ // }
+ // }
+ // j++;
+ // }
+ // }
+ // else return 0;
+
+ // //Do we want the buffer inverted?
+ // memset(strAnswer, 0x00, sizeof(strAnswer));
+ // printf("[<-]Do you wish to invert the highlighted bitstream? [Y]es/[N]o\n");
+ // gets(strAnswer);
+ // if ( ( strncmp("y", strAnswer,1) == 0 ) || ( strncmp("Y", strAnswer, 1 ) == 0 ) )
+ // {
+ // //allocate heap memory
+ // pstrInvertBitStream = (char*)malloc(numManchesterDemodBits);
+ // if ( pstrInvertBitStream != 0x00000000 )
+ // {
+ // memset(pstrInvertBitStream,0x00,numManchesterDemodBits);
+ // bInverted = true;
+ // //Invert Bitstream
+ // for ( needle = 0; needle <= numManchesterDemodBits; needle++ )
+ // {
+ // if (strSimulateBitStream[needle] == '0')
+ // strcat(pstrInvertBitStream,"1");
+ // else if (strSimulateBitStream[needle] == '1')
+ // strcat(pstrInvertBitStream,"0");
+ // }
+ // printf("[->]Inverted bitstream: %s\n", pstrInvertBitStream);
+ // }
+ // }
+ // //Confirm parity of selected string
+ // pID = (char*)malloc(11);
+ // if (pID != 0x00000000)
+ // {
+ // memset(pID, 0x00, 11);
+ // if (ConfirmEm410xTagParity(strSimulateBitStream,pID, 64) == 1)
+ // {
+ // printf("[->]Parity confirmed for selected bitstream!\n");
+ // printf("[->]Tag ID was detected as: [hex]:%s\n",pID );
+ // }
+ // else
+ // printf("[->]Parity check failed for the selected bitstream!\n");
+ // }
+
+ // //Spoof
+ // memset(strAnswer, 0x00, sizeof(strAnswer));
+ // printf("[<-]Do you wish to continue with the EM4x simulation? [Y]es/[N]o\n");
+ // gets(strAnswer);
+ // if ( ( strncmp(strAnswer,"y",1) == 0 ) || ( strncmp(strAnswer,"Y",1) == 0 ) )
+ // {
+ // strcat(pTempBuffer, strClockRate);
+ // strcat(pTempBuffer, " ");
+ // if (bInverted == true)
+ // strcat(pTempBuffer,pstrInvertBitStream);
+ // if (bInverted == false)
+ // strcat(pTempBuffer,strSimulateBitStream);
+ // //inform the user
+ // puts("[->]Starting simulation now: \n");
+ // //Simulate tag with prepared buffer.
+ // CmdLFSimManchester(pTempBuffer);
+ // }
+ // else if ( ( strcmp("n", strAnswer) == 0 ) || ( strcmp("N", strAnswer ) == 0 ) )
+ // printf("[->]Exiting procedure now...\n");
+ // else
+ // printf("[->]Erroneous selection\nExiting procedure now....\n");
+
+ // //Clean up -- Exit function
+ // //clear memory, then release pointer.
+ // if ( pstrInvertBitStream != 0x00000000 )
+ // {
+ // memset(pstrInvertBitStream,0x00,numManchesterDemodBits);
+ // free(pstrInvertBitStream);
+ // }
+ // if ( pTempBuffer != 0x00000000 )
+ // {
+ // memset(pTempBuffer,0x00,MAX_GRAPH_TRACE_LEN);
+ // free(pTempBuffer);
+ // }
+ // if ( pID != 0x00000000 )
+ // {
+ // memset(pID,0x00,11);
+ // free(pID);
+ // }
+ // if ( strBitStreamBuffer != 0x00000000 )
+ // {
+ // memset(strBitStreamBuffer,0x00,numManchesterDemodBits);
+ // free(strBitStreamBuffer);
+ // }
+ return 0;
+}
+
int CmdLFEM4X(const char *Cmd)
{
CmdsParse(CommandTable, Cmd);
projects / proxmark3-svn / blobdiff