发明名称 |
Network system, server and information terminal for list matching |
摘要 |
A method, apparatus and system to ensure the security in the information exchange and to provide list matching with higher efficiency and practicality. In a particular embodiment, each of lists to be subject to list matching is represented as a polynomial having roots equivalent to the items of the list. Then, polynomials generated for the lists to be subject to list matching are added according to a distributed secret computation. A list containing an item equivalent to a root of a polynomial resulting from the addition is created and output as the list of a common item. |
申请公布号 |
US8117456(B2) |
申请公布日期 |
2012.02.14 |
申请号 |
US20090535777 |
申请日期 |
2009.08.05 |
申请人 |
NUMAO MASAYUKI;WATANABE YUJI;INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
NUMAO MASAYUKI;WATANABE YUJI |
分类号 |
G06F17/00;G06F7/00;G06F17/30;H04L29/06 |
主分类号 |
G06F17/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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