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    • 1. 发明专利
    • Personal identification method
    • 个人识别方法
    • JP2002366527A
    • 2002-12-20
    • JP2001175393
    • 2001-06-11
    • Ntt Advanced Technology Corpエヌ・ティ・ティ・アドバンステクノロジ株式会社
    • SHIRAISHI AKIRA
    • G06K19/10G06F1/00G06F15/00G06F21/20G06K17/00H04L9/32
    • PROBLEM TO BE SOLVED: To eliminate anxiety of a user and to prevent a server device from being unauthorized accessed by preventing leakage of biological information. SOLUTION: A client device 1 is provided with a collating device 11 to transmit an identification request when biological information of a recording carrier 4 is matched with biological information of a user and an arithmetic means 12 to convert the biological information of the recording carrier 4 into a second functional value by a unidirectional function and to convert information formed by coupling the functional value with a random number r into a third functional value by the unidirectional function and the server 2 is provided with a random number generating means 21 to transmit the random number r according to the identification request, an arithmetic means 23 to acquire a first functional value obtained by converting biological information of a normal user by the unidirectional function from a database 22 and to convert information formed by coupling the functional value with the random number r into a fourth functional value by the unidirectional function and a collating means 24 to collate the third and fourth functional values with each other.
    • 要解决的问题:消除用户的焦虑并防止服务器设备通过防止生物信息的泄漏被未经授权的访问。 解决方案:客户端设备1设置有对照设备11,以在记录载体4的生物信息与用户的生物信息匹配时发送识别请求;以及算术装置12,用于将记录载体4的生物信息转换为 通过单向功能的第二功能值和将通过将功能值与随机数r耦合形成的信息转换为单向功能的第三功能值而服务器2设置有随机数产生装置21,以发送随机数 根据识别请求,算出装置23,从数据库22获取通过单向功能转换普通用户的生物信息而获得的第一功能值,并将通过将功能值与随机数r耦合形成的信息转换为 通过单向功能的第四功能值和对照装置 24将第三和第四功能值彼此整理。