STORAGE MEDIUM, APPARATUS, METHOD AND PROGRAM FOR CONTROLLING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a storage medium in which file management information and the presence thereof can be concealed, a storage medium controller, a storage medium control method and a storage medium control program.

SOLUTION: The storage medium 1 includes: a first storage part (flash memory chip) 4 that stores a file system 41 configured to include an encrypted file 42; a second storage part (IC chip) 3 that stores file system information 31, file management information 32 and authentication destination authentication information (PIN code) 30; and an authenticating part 33 that transmits access permission information for permitting an access to another device 10 through a first communicating part 5 when authentication source authentication information received from the other device 10 through the first communicating part (USB terminal) 5 agrees with the authentication destination authentication information 30 stored in the second storage part 3, and transmits access rejection information to the other device 10 through the first communicating part 5 if not in agreement.

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