DATA STORAGE, DATA STORAGE METHOD AND RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To ensure security and also to simultaneously receive supply of plural types of services with a single IC card. SOLUTION: The data which permit access to the service data on another type of service while a certain type of service is performed are registered on a service relation table when plural types of service are registered on an IC card. The service relation table includes a registered service ID field where the service IDs registered on the IC card are described and a permission information field where the permission information corresponding to each service ID is described. The permission information describes a service ID that can be accessed when its corresponding service is performed and the information that shows the executable processing to the accessible service ID.