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    • 111. 发明申请
    • DATA SECRECY STATISTICAL PROCESSING SYSTEM, SERVER DEVICE FOR PRESENTING STATISTICAL PROCESSING RESULT, DATA INPUT DEVICE, AND PROGRAM AND METHOD THEREFOR
    • 数据秘密统计处理系统,用于提供统计处理结果的服务器设备,数据输入设备及其程序及方法
    • US20160246981A1
    • 2016-08-25
    • US15030106
    • 2014-10-21
    • INTEC INC.
    • Ikuo NAKAGAWAMitsuharu GOTOYoshifumi HASHIMOTO
    • G06F21/62H04L29/06
    • G06F21/6218G06F21/6254G09C1/00H04L9/085H04L9/3026H04L63/1433H04L2209/46
    • A result of statistical processing for a set of original data items can be obtained while the risk of leakage of information to be hidden is reduced by avoiding transferring and storing original data.Each of a plurality of data input devices comprises: means for acquiring an original data item to be hidden; and means for dividing the original data item in accordance with a secret ratio where adding up all the partial data items restores the original data item, and outputting a predetermined number of partial data items. Each of a predetermined number of arithmetic devices comprises means for performing a predetermined arithmetic operation based on a plurality of input data items, performs the arithmetic operation using partial data items as the input data items, each partial data item being outputted from each of a plurality of data input devices, and outputs the arithmetic result. A data processing device performs a service that uses the arithmetic result outputted from each of a predetermined number of arithmetic devices, thereby obtaining and providing a statistical processing result based on a plurality of original data items acquired by the plurality of data input devices without acquiring the original data items.
    • 通过避免转移和存储原始数据,可以获得一组原始数据项的统计处理结果,同时减少要隐藏的信息的泄露风险。 多个数据输入装置中的每一个包括:用于获取要隐藏的原始数据项的装置; 以及用于根据加密所有部分数据项的秘密比例来分割原始数据项的装置,恢复原始数据项,并输出预定数量的部分数据项。 预定数量的算术装置中的每一个包括用于基于多个输入数据项执行预定算术运算的装置,使用部分数据项作为输入数据项执行算术运算,每个部分数据项从多个输出数据项中输出 的数据输入设备,并输出算术结果。 数据处理装置执行使用从预定数量的运算装置中的每一个输出的算术结果的服务,从而获得并提供基于由多个数据输入装置获取的多个原始数据项的统计处理结果,而不获取 原始数据项。