AUTHENTICATION SYSTEM, AUTHENTICATION DEVICE, AUTHENTICATION METHOD AND AUTHENTICATION PROGRAM, AND PASSWORD SETTING SYSTEM, PASSWORD SETTING DEVICE, PASSWORD SETTING METHOD AND PASSWORD SETTING PROGRAM

摘要

PROBLEM TO BE SOLVED: To use an effective password.;SOLUTION: An authentication system comprises: a password information storage part which stores password information including information for identifying an object (for example, a musical piece) including a sentence (for example, a lyric), and information for identifying a position in the sentence (for example, a start position and an end position); a password information acquisition part which acquires password information including information for identifying the object including the sentence, and information for identifying the position in the sentence, for authentication of a password; and an authentication part which authenticates the password, by collating the password information acquired by the password information acquisition part with the password information stored in the password information storage part.;COPYRIGHT: (C)2014,JPO&INPIT