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ID system and program, and ID method

  • US 10,142,114 B2
  • Filed: 07/24/2015
  • Issued: 11/27/2018
  • Est. Priority Date: 02/15/2006
  • Status: Active Grant
First Claim
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1. An ID system comprising a server device, a biometric authentication device, and a device authentication unit, wherein:

  • the device authentication unit issues a device certificate for guaranteeing an authentication operation of the biometric authentication device including its authentication accuracy;

    the server device transmits a biometric authentication request including information that can identify the request to the biometric authentication device;

    the biometric authentication device transmits the information that can identify the request, a user information and a biometric authentication result to the server by adding a signature that is formed with a secret key that is peculiar to the biometric authentication device; and

    the server device verifies the signature of the transmitted data by using an encrypting key that corresponds to the secret key peculiar to the biometric authentication device so as to check the result of biometric authentication that is conducted at the biometric authentication device by corresponding to the request under a guarantee of the biometric authentication device, and check the biometric authentication result under a guarantee of the device authentication unit based on the biometric authentication result that is checked under the guarantee of the biometric authentication device and the device certificate issued from the device authentication unit so as to confirm that it is the biometric authentication result corresponding to the request.

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