A CARD READER SUPPORTING CONTACT-TYPE SMART CARD and CONTACTLESS-TYPE SMART CARD AND A CARD READER CONTROLLING METHOD

摘要

PURPOSE: A card terminal and method are provide to support contact and noncontact smart card simultaneously. CONSTITUTION: The system consists of a combo card, which supports contact and noncontact smart card, a card terminal, which reads and writes data into the combo card, and a control computer, which gets the information from the card and operates the control routine. The card terminal is also designed to support contact and noncontact smart card and there is a slot for the contact card. The combo card consists of RF coil, noncontact interface, contact interface, ROM, RAM, CPU, private key, DES ad EEPROM. The card terminal consists of LED, LCD, key matrix, communication interface, I/O port, power unit, ROM, memory, contact card support module, noncontact card support module and a micro-controller. When a user inserts a card to the card terminal or makes it close to the terminal, the terminal read the data and the data is tried to be authenticated. The micro-controller uses DES and the key. If the user is not allowed, the error message is displayed. Otherwise, the service is allowed to the user.