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    • 1. 发明公开
    • Imitation judging device
    • Vorrichtung zum Beurteilen von Nachahmungen
    • EP1018713A1
    • 2000-07-12
    • EP99126228.8
    • 1999-12-30
    • NEC CORPORATION
    • Sakaguchi, Tomoyuki
    • G07F7/12
    • G07F7/1008G06Q20/341G06Q20/4097
    • An imitation judging device according to the present invention includes: a microprocessor which is mounted in an electronic device so as to generate an interrogating bit string for truth and false judgment; and a truth and false judgment processing circuit, which is mounted within a target device connected to the electronic device, and which judges about truth and false of the target device based on the interrogating bit string from the microprocessor. The truth and false judgment processing circuit includes: a calculation circuit for receiving the interrogating bit string sent from the microprocessor of the electronic device, to thereby generate a calculational result bit string applied with a random number calculation processing; and a circuit for returning the calculational result bit string as a responding bit string, toward the microprocessor of the electronic device.
    • 根据本发明的仿造判断装置包括:安装在电子设备中以产生用于真实和错误判断的询问位串的微处理器; 以及安装在连接到电子设备的目标设备中并根据来自微处理器的询问位串判断目标设备的真实和错误的真实和错误判断处理电路。 真假判断处理电路包括:计算电路,用于接收从电子设备的微处理器发送的询问位串,从而生成应用随机数计算处理的计算结果位串; 以及用于将计算结果位串作为响应位串返回到电子设备的微处理器的电路。