INFORMATION PROCESSOR AND AUTHENTICATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide an information processor capable of improving at least the security with small number of inputs.SOLUTION: The information processor includes: detection means that detects operations which are made by plural buttons at a time; and authentication means that performs authentication operation based on a first value based on operations made by buttons in plural time areas and a third value which is generated based on a second value including a value representing that at least two buttons are operated in one time area.