+
+ if (!downloadSamplesEM())
+ return -1;
+
+ //need 0 bits demoded (after preamble) to verify write cmd
+ uint32_t dummy = 0;
+ int isOk = demodEM4x05resp(&dummy);
+ if (isOk)
+ PrintAndLog("Write Verified");
+ else
+ PrintAndLog("Write could not be verified");
+ return isOk;
+}
+
+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(uint32_t block0, uint32_t serial) {
+
+ uint8_t chipType = (block0 >> 1) & 0xF;
+ uint8_t cap = (block0 >> 5) & 3;
+ uint16_t custCode = (block0 >> 9) & 0x3FF;
+
+ switch (chipType) {
+ case 9: PrintAndLog("\n Chip Type: %u | EM4305", chipType); break;
+ case 8: PrintAndLog("\n Chip Type: %u | EM4205", 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);
+}
+
+void printEM4x05ProtectionBits(uint32_t word) {
+ for (uint8_t i = 0; i < 15; i++) {
+ PrintAndLog(" Word: %02u | %s", i, (((1 << i) & word ) || i < 2) ? "Is Write Locked" : "Is Not Write Locked");
+ if (i==14)
+ PrintAndLog(" Word: %02u | %s", i+1, (((1 << i) & word ) || i < 2) ? "Is Write Locked" : "Is Not Write Locked");
+ }
+}
+
+//quick test for EM4x05/EM4x69 tag
+bool EM4x05IsBlock0(uint32_t *word) {
+ return EM4x05ReadWord_ext(0, 0, FALSE, word);
+}
+
+int CmdEM4x05Info(const char *Cmd) {
+#define EM_SERIAL_BLOCK 1
+#define EM_CONFIG_BLOCK 4
+#define EM_PROT1_BLOCK 14
+#define EM_PROT2_BLOCK 15
+ uint32_t pwd;
+ uint32_t word = 0, block0 = 0, serial = 0;
+ bool usePwd = false;
+ uint8_t ctmp = param_getchar(Cmd, 0);
+ if ( ctmp == 'H' || ctmp == 'h' ) return usage_lf_em4x05_info();
+
+ // 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;
+
+ // read word 0 (chip info)
+ // block 0 can be read even without a password.
+ if ( !EM4x05IsBlock0(&block0) )
+ return -1;
+
+ // read word 1 (serial #) doesn't need pwd
+ // continue if failed, .. non blocking fail.
+ EM4x05ReadWord_ext(EM_SERIAL_BLOCK, 0, false, &serial);
+ printEM4x05info(block0, serial);
+
+ // read word 4 (config block)
+ // needs password if one is set
+ if ( EM4x05ReadWord_ext(EM_CONFIG_BLOCK, pwd, usePwd, &word) != 1 )
+ return 0;
+
+ printEM4x05config(word);
+
+ // read word 14 and 15 to see which is being used for the protection bits
+ if ( EM4x05ReadWord_ext(EM_PROT1_BLOCK, pwd, usePwd, &word) != 1 ) {
+ return 0;
+ }
+ // if status bit says this is not the used protection word
+ if (!(word & 0x8000)) {
+ if ( EM4x05ReadWord_ext(EM_PROT2_BLOCK, pwd, usePwd, &word) != 1 )
+ return 0;
+ }
+ //something went wrong
+ if (!(word & 0x8000)) return 0;
+ printEM4x05ProtectionBits(word);
+ return 1;
projects / proxmark3-svn / blobdiff