CONTENT OR APPLICATION PROVIDING SYSTEM, CONTROL METHOD OF CONTENT OR APPLICATION PROVIDING SYSTEM, TERMINAL DEVICE, CONTROL METHOD OF TERMINAL DEVICE, AUTHENTICATION DEVICE, CONTROL METHOD OF AUTHENTICATION DEVICE, PROGRAM AND INFORMATION STORAGE MEDIUM

• Main Author: TAKAMI SHINYA
• Format: Patent
• Language: English
• Published: 24.01.2013
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRIC DIGITAL DATA PROCESSING; ELECTRICITY; PHYSICS; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

PROBLEM TO BE SOLVED: To provide a content or application providing system capable of restricting the number of terminals on which contents and applications can be used, from among a number of terminals including one authorized terminal and one or more unauthorized terminals, to one terminal.SOLUTION: A new authentication symbol string is generated in accordance with a production rule and on the basis of at least one part of an authentication symbol string stored on a first authentication symbol string storage unit 100. If the new authentication symbol string belongs to a type of authentication symbol string that can be generated in accordance with the generation rule on the basis of at least one part of an authentication symbol string stored on a second authentication symbol string storage unit 200 in association with terminal identification information, use of the contents and applications on a terminal device 10 is permitted and the authentication symbol string stored on the first authentication symbol string storage unit 100 and the authentication symbol string stored on the second authentication symbol string storage unit 200 in association with the terminal identification information are updated to the new authentication symbol strings.