| 摘要 |
An authentication method of performing authentication for an information processing device connected via a communication network by an authentication device, including: receiving information related to biometric authentication concerning the information processing device; receiving information related to identification information for identifying the information processing device; receiving information related to environment of the information processing device; receiving an electronic signature by a secret key which is paired with an electronic certification transmitted from the information processing device; and determining, by a control unit, a biometric level based on the received information related to biometric authentication, a device level based on the received information related to identification information and an environment level based on the received information related to environment; correcting, by the control unit, the determined level based on validity of the received electronic signature.
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