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 em4x em410xsim <UID> <clock>");
- PrintAndLog("");
- PrintAndLog(" sample: lf em4x em410xsim 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) {
return 0;
}
+//**************** Start of EM4x50 Code ************************
bool EM_EndParityTest(uint8_t *BitStream, size_t size, uint8_t rows, uint8_t cols, uint8_t pType)
{
if (rows*cols>size) return false;
return EM4x50Read(Cmd, true);
}
+//**************** Start of EM4x05/EM4x69 Code ************************
int usage_lf_em_read(void) {
PrintAndLog("Read EM4x05/EM4x69. Tag must be on antenna. ");
PrintAndLog("");
- PrintAndLog("Usage: lf em readword [h] <address> <pwd>");
+ PrintAndLog("Usage: lf em
4x05readword [h] <address> <pwd>");
PrintAndLog("Options:");
PrintAndLog(" h - this help");
PrintAndLog(" address - memory address to read. (0-15)");
PrintAndLog(" pwd - password (hex) (optional)");
PrintAndLog("samples:");
- PrintAndLog(" lf em readword 1");
- PrintAndLog(" lf em readword 1 11223344");
+ PrintAndLog(" lf em 4x05readword 1");
+ PrintAndLog(" lf em 4x05readword 1 11223344");
return 0;
}
-//search for given preamble in given BitStream and return success=1 or fail=0 and startIndex
-uint8_t EMpreambleSearch(uint8_t *BitStream, uint8_t *preamble, size_t pLen, size_t size, size_t *startIdx) {
- // Sanity check. If preamble length is bigger than bitstream length.
- if ( size <= pLen ) return 0;
- // em only sends preamble once, so look for it once in the first x bits
- uint8_t foundCnt = 0;
- for (size_t idx = 0; idx < size - pLen; idx++){
- if (memcmp(BitStream+idx, preamble, pLen) == 0){
- //first index found
- foundCnt++;
- if (foundCnt == 1) {
- if (g_debugMode) PrintAndLog("DEBUG: preamble found at %u", idx);
- *startIdx = idx;
- return 1;
- }
+// for command responses from em4x05 or em4x69
+// download samples from device and copy them to the Graphbuffer
+bool downloadSamplesEM() {
+ // 8 bit preamble + 32 bit word response (max clock (128) * 40bits = 5120 samples)
+ uint8_t got[6000];
+ GetFromBigBuf(got, sizeof(got), 0);
+ if ( !WaitForResponseTimeout(CMD_ACK, NULL, 4000) ) {
+ PrintAndLog("command execution time out");
+ return false;
+ }
+ setGraphBuf(got, sizeof(got));
+ return true;
+}
+
+bool EM4x05testDemodReadData(uint32_t *word, bool readCmd) {
+ // em4x05/em4x69 command response preamble is 00001010
+ // skip first two 0 bits as they might have been missed in the demod
+ uint8_t preamble[] = {0,0,1,0,1,0};
+ size_t startIdx = 0;
+
+ // set size to 20 to only test first 14 positions for the preamble or less if not a read command
+ size_t size = (readCmd) ? 20 : 11;
+ // sanity check
+ size = (size > DemodBufferLen) ? DemodBufferLen : size;
+ // test preamble
+ if ( !preambleSearchEx(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx, true) ) {
+ if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305 preamble not found :: %d", startIdx);
+ return false;
+ }
+ // if this is a readword command, get the read bytes and test the parities
+ if (readCmd) {
+ if (!EM_EndParityTest(DemodBuffer + startIdx + sizeof(preamble), 45, 5, 9, 0)) {
+ if (g_debugMode) PrintAndLog("DEBUG: Error - End Parity check failed");
+ return false;
}
+ // 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, 32, 0);
+ *word = bytebits_to_byteLSBF(DemodBuffer, 32);
}
- return 0;
+ return true;
}
// FSK, PSK, ASK/MANCHESTER, ASK/BIPHASE, ASK/DIPHASE
// should cover 90% of known used configs
// the rest will need to be manually demoded for now...
-int demodEM4x05resp(uint8_t bitsNeeded) {
+int demodEM4x05resp(uint32_t *word, bool readCmd) {
int ans = 0;
- bool demodFound = false;
- DemodBufferLen = 0x00;
- // skip first two 0 bits as they might have been missed in the demod
- uint8_t preamble[6] = {0,0,1,0,1,0};
- size_t startIdx = 0;
// test for FSK wave (easiest to 99% ID)
- if (GetFskClock("", FALSE, FALSE)) {
+ if (GetFskClock("", false, false)) {
//valid fsk clocks found
ans = FSKrawDemod("0 0", false);
if (!ans) {
- if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: FSK Demod failed");
+ if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: FSK Demod failed, ans: %d", ans);
} else {
- // set size to 10 to only test first 4 positions for the preamble
- size_t size = (10 > DemodBufferLen) ? DemodBufferLen : 10;
- startIdx = 0;
-
- if (g_debugMode) PrintAndLog("ANS: %d | %u | %u", ans, startIdx, size);
-
- uint8_t errChk = EMpreambleSearch(DemodBuffer, preamble, sizeof(preamble), size, &startIdx);
- if ( errChk == 0) {
- if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305 preamble not found :: %d", startIdx);
- } else {
- //can't test size because the preamble doesn't repeat :(
- //meaning chances of false positives are high.
- demodFound = true;
+ if (EM4x05testDemodReadData(word, readCmd)) {
+ return 1;
}
}
}
// PSK clocks should be easy to detect ( but difficult to demod a non-repeating pattern... )
- if (!demodFound) {
- ans = GetPskClock("", FALSE, FALSE);
- if (ans>0) {
- PrintAndLog("PSK response possibly found, run `data rawd p1` to attempt to demod");
- }
- }
-
- // more common than biphase
- if (!demodFound) {
- DemodBufferLen = 0x00;
- bool stcheck = false;
- // try manchester - NOTE: ST only applies to T55x7 tags.
- ans = ASKDemod_ext("0,0,1", false, false, 1, &stcheck);
+ ans = GetPskClock("", false, false);
+ if (ans>0) {
+ //try psk1
+ ans = PSKDemod("0 0 6", false);
if (!ans) {
- if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/Manchester Demod failed");
+ if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: PSK1 Demod failed, ans: %d", ans);
} else {
- // set size to 10 to only test first 4 positions for the preamble
- size_t size = (10 > DemodBufferLen) ? DemodBufferLen : 10;
- startIdx = 0;
-
- if (g_debugMode) PrintAndLog("ANS: %d | %u | %u", ans, startIdx, size);
-
- uint8_t errChk = EMpreambleSearch(DemodBuffer, preamble, sizeof(preamble), size, &startIdx);
- if ( errChk == 0) {
- if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305 preamble not found :: %d", startIdx);
+ if (EM4x05testDemodReadData(word, readCmd)) {
+ return 1;
} else {
- //can't test size because the preamble doesn't repeat :(
- //meaning chances of false positives are high.
- demodFound = true;
+ //try psk2
+ psk1TOpsk2(DemodBuffer, DemodBufferLen);
+ if (EM4x05testDemodReadData(word, readCmd)) {
+ return 1;
+ }
}
- }
- }
-
- if (!demodFound) {
- DemodBufferLen = 0x00;
- //try biphase
- ans = ASKbiphaseDemod("0 0 1", FALSE);
- if (!ans) {
- if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/biphase Demod failed");
- } else {
- // set size to 10 to only test first 4 positions for the preamble
- size_t size = (10 > DemodBufferLen) ? DemodBufferLen : 10;
- startIdx = 0;
-
- if (g_debugMode) PrintAndLog("ANS: %d | %u | %u", ans, startIdx, size);
-
- uint8_t errChk = EMpreambleSearch(DemodBuffer, preamble, sizeof(preamble), size, &startIdx);
- if ( errChk == 0) {
- if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305 preamble not found :: %d", startIdx);
+ //try psk1 inverted
+ ans = PSKDemod("0 1 6", false);
+ if (!ans) {
+ if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: PSK1 Demod failed, ans: %d", ans);
} else {
- //can't test size because the preamble doesn't repeat :(
- //meaning chances of false positives are high.
- demodFound = true;
+ if (EM4x05testDemodReadData(word, readCmd)) {
+ return 1;
+ } else {
+ //try psk2
+ psk1TOpsk2(DemodBuffer, DemodBufferLen);
+ if (EM4x05testDemodReadData(word, readCmd)) {
+ return 1;
+ }
+ }
}
}
}
- if (!demodFound) {
- DemodBufferLen = 0x00;
- //try diphase (differential biphase or inverted)
- ans = ASKbiphaseDemod("0 1 1", FALSE);
- if (!ans) {
- if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/biphase Demod failed");
- } else {
- // set size to 10 to only test first 4 positions for the preamble
- size_t size = (10 > DemodBufferLen) ? DemodBufferLen : 10;
- startIdx = 0;
-
- if (g_debugMode) PrintAndLog("ANS: %d | %u | %u", ans, startIdx, size);
+ // manchester is more common than biphase... try first
+ bool stcheck = false;
+ // try manchester - NOTE: ST only applies to T55x7 tags.
+ ans = ASKDemod_ext("0,0,1", false, false, 1, &stcheck);
+ if (!ans) {
+ if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/Manchester Demod failed, ans: %d", ans);
+ } else {
+ if (EM4x05testDemodReadData(word, readCmd)) {
+ return 1;
+ }
+ }
- uint8_t errChk = EMpreambleSearch(DemodBuffer, preamble, sizeof(preamble), size, &startIdx);
- if ( errChk == 0) {
- if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305 preamble not found :: %d", startIdx);
- } else {
- //can't test size because the preamble doesn't repeat :(
- //meaning chances of false positives are high.
- demodFound = true;
- }
+ //try biphase
+ ans = ASKbiphaseDemod("0 0 1", false);
+ if (!ans) {
+ if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/biphase Demod failed, ans: %d", ans);
+ } else {
+ if (EM4x05testDemodReadData(word, readCmd)) {
+ return 1;
}
}
- if (demodFound && bitsNeeded < DemodBufferLen) {
- if (bitsNeeded > 0) {
- setDemodBuf(DemodBuffer + startIdx + sizeof(preamble), bitsNeeded, 0);
- CmdPrintDemodBuff("x");
+ //try diphase (differential biphase or inverted)
+ ans = ASKbiphaseDemod("0 1 1", false);
+ if (!ans) {
+ if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/biphase Demod failed, ans: %d", ans);
+ } else {
+ if (EM4x05testDemodReadData(word, readCmd)) {
+ return 1;
}
- return 1;
}
+
return -1;
}
-int CmdReadWord(const char *Cmd) {
- int addr, pwd;
- bool usePwd = false;
- uint8_t ctmp = param_getchar(Cmd, 0);
- if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_read();
-
- addr = param_get8ex(Cmd, 0, -1, 10);
- pwd = param_get32ex(Cmd, 1, -1, 16);
-
- if ( (addr > 15) || (addr < 0 ) || ( addr == -1) ) {
- PrintAndLog("Address must be between 0 and 15");
- return 1;
- }
- if ( pwd == -1 )
- PrintAndLog("Reading address %d", addr);
- else {
- usePwd = true;
- PrintAndLog("Reading address %d | password %08X", addr, pwd);
- }
-
+int EM4x05ReadWord_ext(uint8_t addr, uint32_t pwd, bool usePwd, uint32_t *wordData) {
UsbCommand c = {CMD_EM4X_READ_WORD, {addr, pwd, usePwd}};
clearCommandBuffer();
SendCommand(&c);
PrintAndLog("Command timed out");
return -1;
}
-
- uint8_t got[6000];
- GetFromBigBuf(got, sizeof(got), 0);
- if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2500) ) {
- PrintAndLog("command execution time out");
+ if ( !downloadSamplesEM() ) {
return -1;
}
- setGraphBuf(got, sizeof(got));
int testLen = (GraphTraceLen < 1000) ? GraphTraceLen : 1000;
if (graphJustNoise(GraphBuffer, testLen)) {
PrintAndLog("no tag not found");
return -1;
}
-
//attempt demod:
- //need 32 bits from a read word
- return demodEM4x05resp(44);
+ return demodEM4x05resp(wordData, true);
+}
+
+int EM4x05ReadWord(uint8_t addr, uint32_t pwd, bool usePwd) {
+ uint32_t wordData = 0;
+ int success = EM4x05ReadWord_ext(addr, pwd, usePwd, &wordData);
+ if (success == 1)
+ PrintAndLog("%s Address %02d | %08X", (addr>13) ? "Lock":" Got",addr,wordData);
+ else
+ PrintAndLog("Read Address %02d | failed",addr);
+
+ return success;
+}
+
+int CmdEM4x05ReadWord(const char *Cmd) {
+ uint8_t addr;
+ uint32_t pwd;
+ bool usePwd = false;
+ uint8_t ctmp = param_getchar(Cmd, 0);
+ if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_read();
+
+ addr = param_get8ex(Cmd, 0, 50, 10);
+ // for now use default input of 1 as invalid (unlikely 1 will be a valid password...)
+ pwd = param_get32ex(Cmd, 1, 1, 16);
+
+ if ( (addr > 15) ) {
+ PrintAndLog("Address must be between 0 and 15");
+ return 1;
+ }
+ if ( pwd == 1 ) {
+ PrintAndLog("Reading address %02u", addr);
+ } else {
+ usePwd = true;
+ PrintAndLog("Reading address %02u | password %08X", addr, pwd);
+ }
+
+ return EM4x05ReadWord(addr, pwd, usePwd);
+}
+
+int usage_lf_em_dump(void) {
+ PrintAndLog("Dump EM4x05/EM4x69. Tag must be on antenna. ");
+ PrintAndLog("");
+ PrintAndLog("Usage: lf em 4x05dump [h] <pwd>");
+ PrintAndLog("Options:");
+ PrintAndLog(" h - this help");
+ PrintAndLog(" pwd - password (hex) (optional)");
+ PrintAndLog("samples:");
+ PrintAndLog(" lf em 4x05dump");
+ PrintAndLog(" lf em 4x05dump 11223344");
+ return 0;
+}
+
+int CmdEM4x05dump(const char *Cmd) {
+ uint8_t addr = 0;
+ uint32_t pwd;
+ bool usePwd = false;
+ uint8_t ctmp = param_getchar(Cmd, 0);
+ if ( ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_dump();
+
+ // for now use default input of 1 as invalid (unlikely 1 will be a valid password...)
+ pwd = param_get32ex(Cmd, 0, 1, 16);
+
+ if ( pwd != 1 ) {
+ usePwd = true;
+ }
+ int success = 1;
+ for (; addr < 16; addr++) {
+ if (addr == 2) {
+ if (usePwd) {
+ PrintAndLog(" PWD Address %02u | %08X",addr,pwd);
+ } else {
+ PrintAndLog(" PWD Address 02 | cannot read");
+ }
+ } else {
+ success &= EM4x05ReadWord(addr, pwd, usePwd);
+ }
+ }
+
+ return success;
}
+
int usage_lf_em_write(void) {
PrintAndLog("Write EM4x05/EM4x69. Tag must be on antenna. ");
PrintAndLog("");
- PrintAndLog("Usage: lf em writeword [h] <address> <data> <pwd>");
+ PrintAndLog("Usage: lf em
4x05writeword [h] <address> <data> <pwd>");
PrintAndLog("Options:");
PrintAndLog(" h - this help");
PrintAndLog(" address - memory address to write to. (0-15)");
PrintAndLog(" data - data to write (hex)");
PrintAndLog(" pwd - password (hex) (optional)");
PrintAndLog("samples:");
- PrintAndLog(" lf em writeword 1");
- PrintAndLog(" lf em writeword 1 deadc0de 11223344");
+ PrintAndLog(" lf em 4x05writeword 1");
+ PrintAndLog(" lf em 4x05writeword 1 deadc0de 11223344");
return 0;
}
-int CmdWriteWord(const char *Cmd) {
+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;
- int addr = 16; // default to invalid address
- int data = 0xFFFFFFFF; // default to blank data
- int pwd = 0xFFFFFFFF; // default to blank password
+ 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, -1, 10);
- data = param_get32ex(Cmd, 1, -1, 16);
- pwd = param_get32ex(Cmd, 2, -1, 16);
+ addr = param_get8ex(Cmd, 0, 16, 10);
+ data = param_get32ex(Cmd, 1, 0, 16);
+ pwd = param_get32ex(Cmd, 2, 1, 16);
- if ( (addr > 15) || (addr < 0 ) || ( addr == -1) ) {
+ if ( (addr > 15) ) {
PrintAndLog("Address must be between 0 and 15");
return 1;
}
- if ( pwd == -1 )
+ if ( pwd == 1 )
PrintAndLog("Writing address %d data %08X", addr, data);
else {
usePwd = true;
clearCommandBuffer();
SendCommand(&c);
UsbCommand resp;
- if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)){
PrintAndLog("Error occurred, device did not respond during write operation.");
return -1;
}
- //get response if there is one
- uint8_t got[6000]; // 8 bit preamble + 32 bit word response (max clock (128) * 40bits = 5120 samples)
- GetFromBigBuf(got, sizeof(got), 0);
- if ( !WaitForResponseTimeout(CMD_ACK, NULL, 8000) ) {
- PrintAndLog("command execution time out");
- return 0;
+ if ( !downloadSamplesEM() ) {
+ return -1;
}
- setGraphBuf(got, sizeof(got));
- //todo: check response for 00001010 then write data for write confirmation!
-
+ //check response for 00001010 for write confirmation!
//attempt demod:
- //need 0 bits demoded (after preamble) to verify write cmd
- int result = demodEM4x05resp(0);
+ uint32_t dummy = 0;
+ int result = demodEM4x05resp(&dummy,false);
if (result == 1) {
PrintAndLog("Write Verified");
+ } else {
+ PrintAndLog("Write could not be verified");
}
return result;
}
-/*
-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;
+void printEM4x05config(uint32_t wordData) {
+ uint16_t datarate = (((wordData & 0x3F)+1)*2);
+ uint8_t encoder = ((wordData >> 6) & 0xF);
+ char enc[14];
+ memset(enc,0,sizeof(enc));
+
+ uint8_t PSKcf = (wordData >> 10) & 0x3;
+ char cf[10];
+ memset(cf,0,sizeof(cf));
+ uint8_t delay = (wordData >> 12) & 0x3;
+ char cdelay[33];
+ memset(cdelay,0,sizeof(cdelay));
+ uint8_t LWR = (wordData >> 14) & 0xF; //last word read
+
+ switch (encoder) {
+ case 0: snprintf(enc,sizeof(enc),"NRZ"); break;
+ case 1: snprintf(enc,sizeof(enc),"Manchester"); break;
+ case 2: snprintf(enc,sizeof(enc),"Biphase"); break;
+ case 3: snprintf(enc,sizeof(enc),"Miller"); break;
+ case 4: snprintf(enc,sizeof(enc),"PSK1"); break;
+ case 5: snprintf(enc,sizeof(enc),"PSK2"); break;
+ case 6: snprintf(enc,sizeof(enc),"PSK3"); break;
+ case 7: snprintf(enc,sizeof(enc),"Unknown"); break;
+ case 8: snprintf(enc,sizeof(enc),"FSK1"); break;
+ case 9: snprintf(enc,sizeof(enc),"FSK2"); break;
+ default: snprintf(enc,sizeof(enc),"Unknown"); break;
+ }
+
+ switch (PSKcf) {
+ case 0: snprintf(cf,sizeof(cf),"RF/2"); break;
+ case 1: snprintf(cf,sizeof(cf),"RF/8"); break;
+ case 2: snprintf(cf,sizeof(cf),"RF/4"); break;
+ case 3: snprintf(cf,sizeof(cf),"unknown"); break;
+ }
+
+ switch (delay) {
+ case 0: snprintf(cdelay, sizeof(cdelay),"no delay"); break;
+ case 1: snprintf(cdelay, sizeof(cdelay),"BP/8 or 1/8th bit period delay"); break;
+ case 2: snprintf(cdelay, sizeof(cdelay),"BP/4 or 1/4th bit period delay"); break;
+ case 3: snprintf(cdelay, sizeof(cdelay),"no delay"); break;
+ }
+ PrintAndLog("ConfigWord: %08X (Word 4)\n", wordData);
+ PrintAndLog("Config Breakdown:", wordData);
+ PrintAndLog(" Data Rate: %02u | RF/%u", wordData & 0x3F, datarate);
+ PrintAndLog(" Encoder: %u | %s", encoder, enc);
+ PrintAndLog(" PSK CF: %u | %s", PSKcf, cf);
+ PrintAndLog(" Delay: %u | %s", delay, cdelay);
+ PrintAndLog(" LastWordR: %02u | Address of last word for default read", LWR);
+ PrintAndLog(" ReadLogin: %u | Read Login is %s", (wordData & 0x40000)>>18, (wordData & 0x40000) ? "Required" : "Not Required");
+ PrintAndLog(" ReadHKL: %u | Read Housekeeping Words Login is %s", (wordData & 0x80000)>>19, (wordData & 0x80000) ? "Required" : "Not Required");
+ PrintAndLog("WriteLogin: %u | Write Login is %s", (wordData & 0x100000)>>20, (wordData & 0x100000) ? "Required" : "Not Required");
+ PrintAndLog(" WriteHKL: %u | Write Housekeeping Words Login is %s", (wordData & 0x200000)>>21, (wordData & 0x200000) ? "Required" : "Not Required");
+ PrintAndLog(" R.A.W.: %u | Read After Write is %s", (wordData & 0x400000)>>22, (wordData & 0x400000) ? "On" : "Off");
+ PrintAndLog(" Disable: %u | Disable Command is %s", (wordData & 0x800000)>>23, (wordData & 0x800000) ? "Accepted" : "Not Accepted");
+ PrintAndLog(" R.T.F.: %u | Reader Talk First is %s", (wordData & 0x1000000)>>24, (wordData & 0x1000000) ? "Enabled" : "Disabled");
+ PrintAndLog(" Pigeon: %u | Pigeon Mode is %s\n", (wordData & 0x4000000)>>26, (wordData & 0x4000000) ? "Enabled" : "Disabled");
+}
+
+void printEM4x05info(uint8_t chipType, uint8_t cap, uint16_t custCode, uint32_t serial) {
+ switch (chipType) {
+ case 9: PrintAndLog("\n Chip Type: %u | EM4305", chipType); break;
+ case 4: PrintAndLog(" Chip Type: %u | Unknown", chipType); break;
+ case 2: PrintAndLog(" Chip Type: %u | EM4469", chipType); break;
+ //add more here when known
+ default: PrintAndLog(" Chip Type: %u Unknown", chipType); break;
+ }
+
+ switch (cap) {
+ case 3: PrintAndLog(" Cap Type: %u | 330pF",cap); break;
+ case 2: PrintAndLog(" Cap Type: %u | %spF",cap, (chipType==2)? "75":"210"); break;
+ case 1: PrintAndLog(" Cap Type: %u | 250pF",cap); break;
+ case 0: PrintAndLog(" Cap Type: %u | no resonant capacitor",cap); break;
+ default: PrintAndLog(" Cap Type: %u | unknown",cap); break;
+ }
+
+ PrintAndLog(" Cust Code: %03u | %s", custCode, (custCode == 0x200) ? "Default": "Unknown");
+ if (serial != 0) {
+ PrintAndLog("\n Serial #: %08X\n", serial);
}
-
- 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);
+void printEM4x05ProtectionBits(uint32_t wordData) {
+ for (uint8_t i = 0; i < 15; i++) {
+ PrintAndLog(" Word: %02u | %s", i, (((1 << i) & wordData ) || i < 2) ? "Is Write Locked" : "Is Not Write Locked");
+ if (i==14) {
+ PrintAndLog(" Word: %02u | %s", i+1, (((1 << i) & wordData ) || i < 2) ? "Is Write Locked" : "Is Not Write Locked");
+ }
+ }
+}
+
+//quick test for EM4x05/EM4x69 tag
+bool EM4x05Block0Test(uint32_t *wordData) {
+ if (EM4x05ReadWord_ext(0,0,false,wordData) == 1) {
+ return true;
+ }
+ return false;
+}
+
+int CmdEM4x05info(const char *Cmd) {
+ //uint8_t addr = 0;
+ uint32_t pwd;
+ uint32_t wordData = 0;
+ bool usePwd = false;
+ uint8_t ctmp = param_getchar(Cmd, 0);
+ if ( ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_dump();
+
+ // for now use default input of 1 as invalid (unlikely 1 will be a valid password...)
+ pwd = param_get32ex(Cmd, 0, 1, 16);
- if (Word > 15) {
- PrintAndLog("Word must be between 0 and 15");
- return 1;
+ if ( pwd != 1 ) {
+ usePwd = true;
}
+
+ // read word 0 (chip info)
+ // block 0 can be read even without a password.
+ if ( !EM4x05Block0Test(&wordData) )
+ return -1;
- PrintAndLog("Writing word %d with data %08X and password %08X", Word, Data, Password);
+ uint8_t chipType = (wordData >> 1) & 0xF;
+ uint8_t cap = (wordData >> 5) & 3;
+ uint16_t custCode = (wordData >> 9) & 0x3FF;
- 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;
+ // read word 1 (serial #) doesn't need pwd
+ wordData = 0;
+ if (EM4x05ReadWord_ext(1, 0, false, &wordData) != 1) {
+ //failed, but continue anyway...
+ }
+ printEM4x05info(chipType, cap, custCode, wordData);
+
+ // read word 4 (config block)
+ // needs password if one is set
+ wordData = 0;
+ if ( EM4x05ReadWord_ext(4, pwd, usePwd, &wordData) != 1 ) {
+ //failed
+ return 0;
+ }
+ printEM4x05config(wordData);
+
+ // read word 14 and 15 to see which is being used for the protection bits
+ wordData = 0;
+ if ( EM4x05ReadWord_ext(14, pwd, usePwd, &wordData) != 1 ) {
+ //failed
+ return 0;
+ }
+ // if status bit says this is not the used protection word
+ if (!(wordData & 0x8000)) {
+ if ( EM4x05ReadWord_ext(15, pwd, usePwd, &wordData) != 1 ) {
+ //failed
+ return 0;
+ }
+ }
+ if (!(wordData & 0x8000)) {
+ //something went wrong
+ return 0;
+ }
+ printEM4x05ProtectionBits(wordData);
+
+ return 1;
}
-*/
+
+
static command_t CommandTable[] =
{
{"help", CmdHelp, 1, "This help"},
- {"em410xdemod", CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"},
- {"em410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag in GraphBuffer"},
- {"em410xsim", CmdEM410xSim, 0, "<UID> [clock rate] -- Simulate EM410x tag"},
- {"em410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"},
- {"em410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" },
- {"em410xwrite", CmdEM410xWrite, 0, "<UID> <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"},
- {"em4x50read", CmdEM4x50Read, 1, "demod data from EM4x50 tag from the graph buffer"},
- {"readword", CmdReadWord, 1, "<Word> (pwd) -- Read EM4x05/EM4x69 word data"},
- //{"readwordPWD", CmdReadWordPWD, 1, "<Word> <Password> -- Read EM4xxx word data in password mode"},
- {"writeword", CmdWriteWord, 1, "<Word> <data> (pwd) -- Write EM4x05/EM4x69 word data"},
- //{"writewordPWD", CmdWriteWordPWD, 1, "<Data> <Word> <Password> -- Write EM4xxx word data in password mode"},
+ {"410xdemod", CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"},
+ {"410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag in GraphBuffer"},
+ {"410xsim", CmdEM410xSim, 0, "<UID> [clock rate] -- Simulate EM410x 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, 0, "<UID> <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"},
+ {"4x05dump", CmdEM4x05dump, 0, "(pwd) -- Read EM4x05/EM4x69 all word data"},
+ {"4x05info", CmdEM4x05info, 0, "(pwd) -- Get info from EM4x05/EM4x69 tag"},
+ {"4x05readword", CmdEM4x05ReadWord, 0, "<Word> (pwd) -- Read EM4x05/EM4x69 word data"},
+ {"4x05writeword", CmdEM4x05WriteWord, 0, "<Word> <data> (pwd) -- Write EM4x05/EM4x69 word data"},
+ {"4x50read", CmdEM4x50Read, 1, "demod data from EM4x50 tag from the graph buffer"},
{NULL, NULL, 0, NULL}
};
projects / proxmark3-svn / blobdiff