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基于比特承诺的可撤销匿名电子检举系统 被引量:1

An Impeaching System Based on Bit Commitment with Revocable Anonymity
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摘要 一个安全的电子检举系统必须满足检举人身份匿名性的要求,保证检举人的隐私,同时在必要的情况下,检举系统也能够提供匿名的撤销。Qiu等提出了一种基于群签名的可撤销匿名的电子检举系统,提供了可撤销的匿名检举,并满足一序列安全性要求,但基于群签名的方案对于大量群成员存在着无法避免的效率问题。文中基于比特承诺协议,提出了一种可撤销匿名的检举方案。该方案在提供了举报过程中对于举报者身份的匿名性的同时,对于可能的恶意举报,在电子检举中心(EIC)和可信第三方(TTP)的协作下,能够撤销匿名,追查责任人。该方案可适用于不同规模的使用人群。 In this paper, a new secure impeaching system based on bit commitment is proposed. The scheme keeps identity privacy of the informer in ordinary routine, and once a potential malicious prosecution occurs, the anonymity could be removed by a trusted thirty party(TTP) with the cooperation from electronic impeaching center(EIC), and the malicious user may be investigated. This scheme is more efficient than previous proposal and of adaptability to various numbers of users.
出处 《信息安全与通信保密》 2010年第1期113-115,共3页 Information Security and Communications Privacy
关键词 电子检举 比特承诺 可撤销匿名 electronic impeaching system bit commitment revocable anonymity
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