A folder containing at least one file can be created in a file storage (17) in response to a folder creation request from an owner (30) of an IC card (10), and an access authority to the folder can be set as an access control list (18A) of the folder in response to an access authority setting request...http://www.google.fr/patents/US7814557?utm_source=gb-gplus-shareBrevet US7814557 - IC card and access control method