INFORMATION PROCESSOR FOR WHICH INPUT OF INFORMATION FOR CANCELLING SECURITY IS REQUIRED AND LOG-IN METHOD

• Main Authors: EZAKI TETSUYA, KITANO NAOFUMI, OKADA TAKEHIRO, MORITA SHIGETO, SETO HIROSHI
• Format: Patent
• Language: English
• Published: 19.09.2013
• 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 an information processor for improving the convenience of a user in the input operation of log-in information while securing proper security performance corresponding to the use situation of the information processor in log-in processing.SOLUTION: An information processor for which the input of information for cancelling security is requested includes: a first authentication part for performing authentication by using the biological information of a user; a second authentication part for performing authentication by using predetermined information relating to the user; a log-in control part for controlling the permission of log-in of the user on the basis of the recognition results of the first authentication part and the second authentication part; a detection part (S2) for detecting a parameter for determining the level of security in the use situation of the information processor; and an authentication state control part for setting the strength of authentication (authenticating accuracy (S11), the property of authentication processing (S9, S10)) in at least one of the first authentication part and the second authentication part on the basis of the parameter detected by the detection part.