+int CmdHFiClassReadKeyFile(const char *filename);
+int CmdHFiClassReadTagFile(const char *Cmd);
+int CmdHFiClass_ReadBlock(const char *Cmd);
+int CmdHFiClass_TestMac(const char *Cmd);
+int CmdHFiClassManageKeys(const char *Cmd);
+int CmdHFiClass_loclass(const char *Cmd);
+int CmdHFiClassSnoop(const char *Cmd);
+int CmdHFiClassSim(const char *Cmd);
+int CmdHFiClassWriteKeyFile(const char *Cmd);
+int CmdHFiClass_WriteBlock(const char *Cmd);
+void printIclassDumpContents(uint8_t *iclass_dump, uint8_t startblock, uint8_t endblock, size_t filesize);
+void HFiClassCalcDivKey(uint8_t *CSN, uint8_t *KEY, uint8_t *div_key, bool elite);