一個基于秘密分享和簽密的高效多輪電子拍賣方案
AN EFFICIENT ELECTRONIC AUCTION SCHEME BASED ON SECRET SHARING AND SIGNCRYPTION
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摘要: 利用一個新的秘密分享方案和簽密技術(shù),提出了一個安全、高效的多輪電子拍賣方案。在該方案中,除了中標(biāo)人外其他投標(biāo)人的投標(biāo)價和標(biāo)書自始至終是保密的;所有投標(biāo)人都可以驗證中標(biāo)結(jié)果。在消息的秘密傳送中,使用了簽密技術(shù),同時實現(xiàn)了保密和認(rèn)證,從而大大提高了效率。同時該方案也可用于第二價位拍賣。
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關(guān)鍵詞:
- 秘密分享; 電子拍賣; 簽密; 投標(biāo)
Abstract: A secure and efficient multi-round electronic auction scheme is presented using a new secret sharing scheme and the technique of signcryption. In this scheme, all bidder s bidding values are always kept secret except for the winner s. The technique of signcryption is used to ensure both the secrecy and authenticity of messages so that the efficiency is greatly improved. Moreover this scheme is also suitable for second-price auction. -
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