PrintAndLog("Missing help text.");
return 0;
}
-
+int usage_legic_info(void){
+ PrintAndLog("Read info from a legic tag.");
+ PrintAndLog("Usage: hf legic info [h]");
+ PrintAndLog("Options:");
+ PrintAndLog(" h : this help");
+ PrintAndLog("");
+ PrintAndLog("Samples:");
+ PrintAndLog(" hf legic info");
+ return 0;
+}
/*
* Output BigBuf and deobfuscate LEGIC RF tag data.
* This is based on information given in the talk held
IV |= 0x01; // IV must be odd
PrintAndLog("LSB of IV must be SET");
}
- PrintAndLog("Current IV: 0x%02x", IV);
-
- // get some prng bytes from
- uint8_t temp[12];
- legic_prng_init(IV);
- for ( uint8_t j = 0; j < sizeof(temp); ++j)
- temp[j] = legic_prng_get_bits(8);
-
- PrintAndLog("PRNG: %s", sprint_hex(temp, sizeof(temp)));
+ PrintAndLog("Using IV: 0x%02x", IV);
UsbCommand c = {CMD_READER_LEGIC_RF, {offset, len, IV}};
clearCommandBuffer();
crc_update(&crc, 1, 1); /* CMD_READ */
crc_update(&crc, cmd[0], 8);
crc_update(&crc, cmd[1], 8);
- printf("crc4 %X\n", crc_finish(&crc), 4 ) ;
+ printf("crc4 %X\n", crc_finish(&crc) ) ;
printf("---- old ---\n");
crc_update2(&crc, 1, 1); /* CMD_READ */
crc_update2(&crc, 1, 1); /* CMD_READ */
crc_update2(&crc, cmd[0], 8);
crc_update2(&crc, cmd[1], 8);
- printf("crc4 %X\n", crc_finish(&crc), 4 ) ;
+ printf("crc4 %X\n", crc_finish(&crc) ) ;
}
int CmdLegicCalcCrc8(const char *Cmd){
return 0;
}
+int HFLegicInfo(const char *Cmd, bool verbose) {
+
+ char cmdp = param_getchar(Cmd, 0);
+ if ( cmdp == 'H' || cmdp == 'h' ) return usage_legic_info();
+
+ UsbCommand c = {CMD_LEGIC_INFO, {0,0,0}};
+ clearCommandBuffer();
+ SendCommand(&c);
+ UsbCommand resp;
+ if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {
+ uint8_t isOK = resp.arg[0] & 0xFF;
+ uint16_t tagtype = resp.arg[1] & 0xFFF;
+ if ( isOK ) {
+ PrintAndLog(" UID : %s", sprint_hex(resp.d.asBytes, 4));
+ switch(tagtype) {
+ case 22: PrintAndLog("MIM22 card (22bytes)"); break;
+ case 256: PrintAndLog("MIM256 card (256bytes)"); break;
+ case 1024: PrintAndLog("MIM1024 card (1024bytes)"); break;
+ default: {
+ PrintAndLog("Unknown card format: %x", tagtype);
+ return 1;
+ }
+ }
+ } else {
+ if ( verbose ) PrintAndLog("legic card select failed");
+ return 1;
+ }
+ } else {
+ if ( verbose ) PrintAndLog("command execution time out");
+ return 1;
+ }
+ return 0;
+}
+int CmdLegicInfo(const char *Cmd){
+ return HFLegicInfo(Cmd, TRUE);
+}
+
static command_t CommandTable[] = {
{"help", CmdHelp, 1, "This help"},
{"decode", CmdLegicDecode, 0, "Display deobfuscated and decoded LEGIC RF tag data (use after hf legic reader)"},
{"writeraw",CmdLegicRfRawWrite, 0, "<address> <value> <iv> -- Write direct to address"},
{"fill", CmdLegicRfFill, 0, "<offset> <length> <value> -- Fill/Write tag with constant value"},
{"crc8", CmdLegicCalcCrc8, 1, "Calculate Legic CRC8 over given hexbytes"},
- {"info", CmdLegicCalcCrc8, 1, "Information"},
+ {"info", CmdLegicInfo, 1, "Information"},
{NULL, NULL, 0, NULL}
};