| 摘要 |
A biological authentication system which has a high authentication success rate and a low improper authentication rate and does not inconvenience users is proposed. In a server connected to a client, which creates biological data of a user to be authenticated, over a network and performs the authentication determination on the user, user authentication is performed by comparing identification information stored in the client and the identification information of reference biological data if multiple pieces of reference biological data have the degree of agreement with the biological data transmitted from the client beyond a set value.
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