| 摘要 |
PURPOSE:To provide an IC card to be used in a system moving electronized information (electronic note, for instance) between two persons while securing security and privacy simultaneously. CONSTITUTION:The electronic note stored in an electronic note storage part 7 is protected with a CPU 2 and a unfair access can not be made for it from an outside. Further, when the electronic note is transmitted to other IC cards, it is safe since a proper ciphering processing can be performed by the CPU 2. The information on the possessor of an IC card 11 is not added to the electronic note at all and the note is circulated as a proper electronic note in a state that the only electronic signature of issuing origin of the electronic note is added. |
