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) {
}
bool EM4x05testDemodReadData(uint32_t *word, bool readCmd) {
- // em4x05/em4x69 preamble is 00001010
+ // 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 15 to only test first 9 positions for the preamble
- size_t size = (15 > DemodBufferLen) ? DemodBufferLen : 15;
- //test preamble
- if ( !onePreambleSearch(DemodBuffer, preamble, sizeof(preamble), size, &startIdx) ) {
+ // 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 (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;
uint32_t wordData = 0;
int success = EM4x05ReadWord_ext(addr, pwd, usePwd, &wordData);
if (success == 1)
- PrintAndLog(" Got Address %02d | %08X",addr,wordData);
+ PrintAndLog("%s Address %02d | %08X", (addr>13) ? "Lock":" Got",addr,wordData);
else
PrintAndLog("Read Address %02d | failed",addr);
int result = demodEM4x05resp(&dummy,false);
if (result == 1) {
PrintAndLog("Write Verified");
+ } else {
+ PrintAndLog("Write could not be verified");
}
return result;
}
+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("\nChip Type: %u | EM4305", chipType); break;
- case 4: PrintAndLog("Chip Type: %u | Unknown", chipType); break;
- case 2: PrintAndLog("Chip Type: %u | EM4469", chipType); break;
+ 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;
+ 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 | 210pF",cap); break;
- case 1: PrintAndLog(" Cap Type: %u | 250pF",cap); break;
- default: PrintAndLog(" Cap Type: %u | unknown",cap); break;
+ 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");
+ PrintAndLog(" Cust Code: %03u | %s", custCode, (custCode == 0x200) ? "Default": "Unknown");
if (serial != 0) {
- PrintAndLog("\n Serial #: %08X\n", serial);
+ PrintAndLog("\n Serial #: %08X\n", serial);
+ }
+}
+
+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");
+ }
}
}
int CmdEM4x05info(const char *Cmd) {
//uint8_t addr = 0;
- //uint32_t pwd;
+ uint32_t pwd;
uint32_t wordData = 0;
- // bool usePwd = false;
+ 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);
+ pwd = param_get32ex(Cmd, 0, 1, 16);
- //if ( pwd != 1 ) {
- // usePwd = true;
- //}
- int success = 1;
- // read blk 0
+ if ( pwd != 1 ) {
+ usePwd = true;
+ }
- //block 0 can be read even without a password.
+ // read word 0 (chip info)
+ // block 0 can be read even without a password.
if ( !EM4x05Block0Test(&wordData) )
return -1;
uint8_t cap = (wordData >> 5) & 3;
uint16_t custCode = (wordData >> 9) & 0x3FF;
+ // 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);
- // add read block 4 and read out config if successful
+ // 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);
- return success;
+ // 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;
}
projects / proxmark3-svn / blobdiff