The present invention provides a card type recording medium such as an IC card, which contains storage units to store data and an access control unit to control an access to the data by an access subject. The access control unit is designed to include an access subject identification information generating...http://www.google.ca/patents/US6371377?utm_source=gb-gplus-sharePatent US6371377 - Card type recording medium and access control method for card type recording medium and computer-readable recording medium having access control program for card type recording medium recorded
