Patent ID: 8078883
Filing Date: 2011-12-13
Classification: G06F,G06Q,G07C

Abstract:
1. A personal authentication apparatus that stores biometric information of a person obtained at past registration, and checks the person's biometric information obtained at the current authentication against the biometric information obtained and stored at the registration to authenticate the person, comprising: an information obtaining section which obtains at least two kinds of original biometric information for the person; a scrambling section that performs scrambling in which each of said at least two kinds of original biometric information are each divided into multiple parts and at least two kinds of scrambled biometric information are made, said at least two kinds of scrambled biometric information including first scrambled information in which a first part of a first one of said at least two kinds of original biometric information is combined with a first part of a second one of said at least two kinds of original biometric information and second scrambled information in which a second part of said first one of said at least two kinds of original biometric information is combined with a second part of said second one of said at least two kinds of original biometric information, to register the personal biometric information, an information storing section that stores said at least two kinds of scrambled biometric information made in the scrambling section for each person; a descrambling section that performs descrambling in which said at least two kinds of scrambled biometric information stored in the information storing section are read, and said at least two kinds of original biometric information area restored by descrambling inversely to the scrambling, to authenticate the person; and a personal authentication section that authenticates a person associated with the current biometric information for authentication by receiving the current biometric information for authentication from the information obtaining section, and causing the descrambling section to restore said at least two kinds of original biometric information for the person by the descrambling, and checking the biometric information for authentication against each of said at least two kinds of original biometric information.