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论文研究了英式电子拍卖协议,基于知识证明签名给出一个安全有效的电子拍卖协议。该协议实现了竞拍者身份的匿名性、获胜竞拍者的不可否认性、可公开验证性、竞拍者不可伪装性、可跟踪同一拍卖中某竞拍者的投标以及某个竞拍者在不同拍卖中不可关联性等问题。论文的工作重点是引入了可信第三方并利用知识证明签名来解决其它协议中撤消竞拍者的问题,可简单地撤消某个竞拍者并保证拍卖的高效率。另外,本文还给出了避免拍卖管理者的不公正性的改进协议。
The thesis studies the British electronic auction agreement and gives a safe and effective electronic auction agreement based on the knowledge proof signature. The agreement realizes the anonymity of the bidder’s identity, the non-repudiation of the winning bidder, the open verifiability, the unforgeability of the bidder, the bidding of a bidder in the same auction and the bidding of a bidder in different auctions Relevance and other issues. The dissertation focuses on the introduction of trusted third parties and the use of knowledge-based signatures to solve the problem of withdrawing bidders from other agreements. It can simply withdraw a bidder and ensure the auction’s high efficiency. In addition, this article also gives an improved agreement to avoid the injustice of auction managers.