发明名称 STORAGE COUNT VERIFICATION SYSTEM
摘要 A storage count verification system is provided in which a client can verify the number of identical data items stored by a server without the server being notified of the results. A storage count verification system for verifying whether a user device and a server device have identical data in a case where search data requested by a user device is used to search data to be searched on a server device, wherein the server device is provided with a server generation unit for generating a public parameter for searching the data to be searched and a server communication unit for transmitting the generated public parameter to the user device and the user device is provided with a user generation unit for generating, on the basis of the public parameter received from the server device, a secret parameter that is for the search data and corresponds to the public parameter and a user encryption unit for encrypting the search data on the basis of the generated secret parameter.
申请公布号 WO2014203339(A1) 申请公布日期 2014.12.24
申请号 WO2013JP66763 申请日期 2013.06.18
申请人 HITACHI, LTD. 发明人 YOSHINO MASAYUKI;SATO HISAYOSHI
分类号 G09C1/00;G06F17/30 主分类号 G09C1/00
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