计算机科学 ›› 2011, Vol. 38 ›› Issue (8): 65-68.
• 计算机网络与信息安全 • 上一篇 下一篇
王涛春,罗永龙,左开中,杜安红
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WANG Tao-chun,LUO Yong-long ,ZUO Kai-zhong,DU An-hong
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摘要: 坐标系变换是合作完成某项测绘作业过程中经常遇到的问题,但因为关系到自身的安全与利益,合作双方都不希望泄露各自的输入信息。首次提出保护私有信息的坐标系变换问题,同时设计了相应的变换协议,并以此协议为基础,进一步设计了不同坐标系下两点距离计算协议,分析了两协议的正确性、安全性及复杂性。在保护私有信息的条件下,解决了不同坐标系下两点距离计算问题,并将其应用到目标定位准确性判断问题中。
关键词: 多方安全计算,坐标变换,两点距离
Abstract: Coordinate transformation is a problem which can be frequently encountered during cooperatively completing certain surveying and mapping work. However, as related to their own security and interests, the partners do not want to disclose their input The paper first proposed privacy preserving coordinate transformation and designed corresponding transformation protocol. Based on the above protocol, a protocol for Distance Measure of Different Coordinates was developed and the two's correctness, security and efficiency were analyzed further. In preserved privacy,the problem of privately determining polygonal similarity was successfully solved in the paper,which was also applied to the judgment of target positioning accuracy.
Key words: Secure multi party computation, Coordinate transformation, Distance measure
王涛春,罗永龙,左开中,杜安红. 隐私保护的不同坐标系两点距离计算[J]. 计算机科学, 2011, 38(8): 65-68. https://doi.org/
WANG Tao-chun,LUO Yong-long ,ZUO Kai-zhong,DU An-hong. Privacy-preserving Distance Measure of Different Coordinates[J]. Computer Science, 2011, 38(8): 65-68. https://doi.org/
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