| 摘要 |
PROBLEM TO BE SOLVED: To provide an information terminal device, an information processing system, an information processing program and a recording medium in which a user is enabled to decrypt encrypted information without additionally installing special hardware for authentication and without incurring excessive work to a user. SOLUTION: The information terminal device comprises: a key code acquiring means for acquiring a key code that permits or inhibits the reproduction or output of an information file; an inhibiting means for inhibiting the reproduction or output of the information file; an operation sequence acquiring means for acquiring operation sequence information that is the information combining operation of an operating member provided in the information terminal device; a corresponding means for making the operation sequence information correspond to the key code; a corresponding information storage means for storing the operation sequence information and the key code; a key code specifying means for detecting an operation sequence of the operating member and specifying the key code stored in the corresponding information storage means based on the detected operation sequence; and a release means for enabling the reproduction or output of the inhibited information file. COPYRIGHT: (C)2006,JPO&NCIPI |
