#include "proxmark3.h"
#include "ui.h"
#include "util.h"
+#include "data.h"
#include "graph.h"
#include "cmdparser.h"
#include "cmddata.h"
return 1;
}
+int usage_lf_em410x_sim(void) {
+ PrintAndLog("Simulating EM410x tag");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf em 410xsim [h] <uid> <clock>");
+ PrintAndLog("Options:");
+ PrintAndLog(" h - this help");
+ PrintAndLog(" uid - uid (10 HEX symbols)");
+ PrintAndLog(" clock - clock (32|64) (optional)");
+ PrintAndLog("samples:");
+ PrintAndLog(" lf em 410xsim 0F0368568B");
+ PrintAndLog(" lf em 410xsim 0F0368568B 32");
+ return 0;
+}
+
// emulate an EM410X tag
int CmdEM410xSim(const char *Cmd)
{
char cmdp = param_getchar(Cmd, 0);
uint8_t uid[5] = {0x00};
- if (cmdp == 'h' || cmdp == 'H') {
- PrintAndLog("Usage: lf em 410xsim <UID> <clock>");
- PrintAndLog("");
- PrintAndLog(" sample: lf em 410xsim 0F0368568B");
- return 0;
- }
+ if (cmdp == 'h' || cmdp == 'H') return usage_lf_em410x_sim();
/* clock is 64 in EM410x tags */
uint8_t clock = 64;
int card = 0xFF; // invalid card value
unsigned int clock = 0; // invalid clock value
- sscanf(Cmd, "%" PRIx64 " %d %d", &id, &card, &clock);
+ sscanf(Cmd, "%" SCNx64 " %d %d", &id, &card, &clock);
// Check ID
if (id == 0xFFFFFFFFFFFFFFFF) {
// sanity check
size = (size > DemodBufferLen) ? DemodBufferLen : size;
// test preamble
- if ( !onePreambleSearch(DemodBuffer, preamble, sizeof(preamble), size, &startIdx) ) {
+ if ( !preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx, true) ) {
if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305 preamble not found :: %d", startIdx);
return false;
}
if (g_debugMode) PrintAndLog("DEBUG: Error - End Parity check failed");
return false;
}
- // test for even parity bits.
- if ( removeParity(DemodBuffer, startIdx + sizeof(preamble),9,0,44) == 0 ) {
+ // test for even parity bits and remove them. (leave out the end row of parities so 36 bits)
+ if ( removeParity(DemodBuffer, startIdx + sizeof(preamble),9,0,36) == 0 ) {
if (g_debugMode) PrintAndLog("DEBUG: Error - Parity not detected");
return false;
}
- setDemodBuf(DemodBuffer, 40, 0);
+ setDemodBuf(DemodBuffer, 32, 0);
*word = bytebits_to_byteLSBF(DemodBuffer, 32);
}
return true;
int usage_lf_em_write(void) {
PrintAndLog("Write EM4x05/EM4x69. Tag must be on antenna. ");
PrintAndLog("");
- PrintAndLog("Usage: lf em 4x05writeword [h] <address> <data> <pwd>");
+ PrintAndLog("Usage: lf em 4x05writeword [h] [s] <address> <data> <pwd>");
PrintAndLog("Options:");
PrintAndLog(" h - this help");
+ PrintAndLog(" s - swap data bit order before write");
PrintAndLog(" address - memory address to write to. (0-15)");
PrintAndLog(" data - data to write (hex)");
PrintAndLog(" pwd - password (hex) (optional)");
int CmdEM4x05WriteWord(const char *Cmd) {
uint8_t ctmp = param_getchar(Cmd, 0);
if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_write();
-
+
bool usePwd = false;
-
+
uint8_t addr = 16; // default to invalid address
uint32_t data = 0xFFFFFFFF; // default to blank data
uint32_t pwd = 0xFFFFFFFF; // default to blank password
-
- addr = param_get8ex(Cmd, 0, 16, 10);
- data = param_get32ex(Cmd, 1, 0, 16);
- pwd = param_get32ex(Cmd, 2, 1, 16);
-
-
+ char swap = 0;
+
+ int p = 0;
+ swap = param_getchar(Cmd, 0);
+ if (swap == 's' || swap=='S') p++;
+ addr = param_get8ex(Cmd, p++, 16, 10);
+ data = param_get32ex(Cmd, p++, 0, 16);
+ pwd = param_get32ex(Cmd, p++, 1, 16);
+
+ if (swap == 's' || swap=='S') data = SwapBits(data, 32);
+
if ( (addr > 15) ) {
PrintAndLog("Address must be between 0 and 15");
return 1;
PrintAndLog("Writing address %d data %08X", addr, data);
else {
usePwd = true;
- PrintAndLog("Writing address %d data %08X using password %08X", addr, data, pwd);
+ PrintAndLog("Writing address %d data %08X using password %08X", addr, data, pwd);
}
-
+
uint16_t flag = (addr << 8 ) | usePwd;
-
+
UsbCommand c = {CMD_EM4X_WRITE_WORD, {flag, data, pwd}};
clearCommandBuffer();
SendCommand(&c);
- UsbCommand resp;
+ UsbCommand resp;
if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)){
PrintAndLog("Error occurred, device did not respond during write operation.");
return -1;
if ( !downloadSamplesEM() ) {
return -1;
}
- //check response for 00001010 for write confirmation!
+ //check response for 00001010 for write confirmation!
//attempt demod:
uint32_t dummy = 0;
int result = demodEM4x05resp(&dummy,false);