Patent ID: 7500605

Claim:
A tamper resistant device that is an IC card, which stores an identifier capable of uniquely identifying the tamper resistant device, comprising: a receiving unit configured to receive a file generation message including right value information representing a right value and instruction information, which instructs generation of a rights-file including the right value information and the identifier; a message determination unit configured to determine whether or not the file generation message received by the receiving unit includes the right value information representing the right value and the instruction information, which instructs generation of the rights-file including the right value information and the identifier; a file generation unit configured to generate, if the message determination unit determines that the file generation message received by the receiving unit includes the right value information and the instruction information, the rights-file including the identifier and the right value information, wherein the identifier is an IC card identification ID stored in the IC card; and a storage unit configured to store the rights-file generated by the file generation unit, wherein the storage unit is configured to store the rights-file generated by the file generation unit in accordance with a storage destination folder described in the right value information included in the file generation message received by the receiving unit.