if (WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
uint8_t isOK = resp.arg[0] & 0xFF;
uint16_t len = resp.arg[1] & 0x3FF;
- if ( isOK ) {
- PrintAndLog("OK : %d", isOK);
- PrintAndLog("use 'hf legic decode' or");
- PrintAndLog("'data hexsamples %d' to view results", len);
- }
+ if ( isOK ) {
+ PrintAndLog("use 'hf legic decode'");
+ }
+ uint8_t *data = resp.d.asBytes;
+ PrintAndLog("\nData |");
+ PrintAndLog("-----------------------------");
+ PrintAndLog(" %s|\n", sprint_hex(data, len));
+ // }
} else {
PrintAndLog("command execution time out");
return 1;
}
-
- //uint8_t got[12000];
- //GetFromBigBuf(got,sizeof(got),0);
- //WaitForResponse(CMD_ACK,NULL);
return 0;
}
return 0;
}
+void static calc4(uint8_t *cmd, uint8_t len){
+ crc_t crc;
+ //crc_init_ref(&crc, 4, 0x19 >> 1, 0x5, 0, TRUE, TRUE);
+ crc_init(&crc, 4, 0x19 >> 1, 0x5, 0);
+
+ crc_clear(&crc);
+ crc_update(&crc, 1, 1); /* CMD_READ */
+ crc_update(&crc, cmd[0], 8);
+ crc_update(&crc, cmd[1], 8);
+ printf("crc4 %X\n", reflect(crc_finish(&crc), 4) ) ;
+
+ crc_clear(&crc);
+ 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("---- old ---\n");
+ crc_update2(&crc, 1, 1); /* CMD_READ */
+ crc_update2(&crc, cmd[0], 8);
+ crc_update2(&crc, cmd[1], 8);
+ printf("crc4 %X \n", reflect(crc_finish(&crc), 4) ) ;
+
+
+ crc_clear(&crc);
+ 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 ) ;
+}
+
int CmdLegicCalcCrc8(const char *Cmd){
uint8_t *data = NULL;
switch (type){
case 16:
- PrintAndLog("LEGIC CRC16: %X", CRC16Legic(data, len, uidcrc));
+ PrintAndLog("Legic crc16: %X", CRC16Legic(data, len, uidcrc));
+ break;
+ case 4:
+ calc4(data, 0);
break;
default:
- PrintAndLog("LEGIC CRC8: %X", CRC8Legic(data, len) );
+ PrintAndLog("Legic crc8: %X", CRC8Legic(data, len) );
break;
}
{"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"},
{NULL, NULL, 0, NULL}
};