IC card

摘要

The IC card is capable of providing a plurality of services to an external device on one card, and comprises: a interface for the external device; a switch disposed on the IC card and that selects a service; a memory unit recording a information corresponding to a plurality of services and having a plurality areas each storing different information from another areas in security level; a CPU reading/writing information from/to the memory unit based on the service selected by the switch, and provides the selected service to the external device by way of the interface; a security level judgment unit judging the security level on an access status by the application to the memory areas; and a display unit displaying a kind of selected service or a security level of the service.