【摘要】 特殊安全多方计算问题是近几年国际密码学界一个研究热点。考虑了集合包含问题中的私有信息保护,然后基于同态加密的特殊性质设计了一个半诚实模型下保护私有信息的集合包含协议,并对协议的性能进行了分析。该协议在商业,合作医疗研究和数据挖掘等领域有着广阔的应用前景。更多还原

【Abstract】 Specific secure multi-party computation problems are a research focus in international cryptographic community in recent years. In this paper,considering the protection of private information in set inclusion problem. A new private-preserving set inclusion protocol based on especial properties of the homomorphic encryption in the semi-honest model is presented along with analysis of protocol’ capability. The protocol has potential applications in commerce,joint medical research,and data mining field.更多还原