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基于模糊关键字搜索的无安全信道公钥加密 被引量：3

ENCRYPTING PUBLIC KEY WITHOUT SECURE CHANNEL BASED ON FUZZY KEYWORD SEARCH
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摘要 自从20世纪70年代公钥密码被提出后,公钥加密方案得到快速的发展。不同的加密方案应用的场景也有不同。基于Li的带关键字搜索加密方案[21]提出一种新的公钥加密方案,结合模糊身份加密的思想,构造了完善的且提供关键字搜索的加解密方案。该方案的主要应用场景是分布式系统关键字搜索的加解密。对此方案进行了安全性分析和概率分析。 Public key encryption schemes develop rapidly since the public key cryptography has been proposed in 1970s. Different encryption schemes have different applicahon scenes. In this article we present a new public key encryption scheme, it is based on Li＇ s eneryption scheme with keywords search, and combines the thoughts of fuzzy identity-based encryption. We construct a perfect encryption and decryption scheme, which can provide keywords search. The main application scenes of it are the encryption and decryption of keywords search in distributed systems. Additionally, we also provide safety analysis and probabilistic analysis for this scheme.
作者 孙婷 王建东
机构地区 南京航空航天大学计算机科学与技术学院
出处 《计算机应用与软件》 CSCD 北大核心 2014年第3期308-309,318,共3页 Computer Applications and Software
关键词 模糊关键字 公钥加密 基于身份加密 Fuzzy keywords Public key encryption Identity-based encryption （IBE）
分类号 TP309 [自动化与计算机技术—计算机系统结构]
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参考文献19

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共引文献129

同被引文献33

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计算机应用与软件
2014年 第3期

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