基于无证书聚合签名设计的无线频谱拍卖方案

Radio Spectrum Auction Scheme Based onCertificateless Aggregate Signature Design

在频谱拍卖越来越频繁且重要的情况下,文章针对无线单频谱拍卖安全算法中竞标人身份匿名化、投标价格及投标人验证中存在的安全问题,设计了一个不需要双线性对运算且可证安全的高效无证书聚合签名方案。该方案在随机预言机模型下能够在自适应条件下抵抗存在性伪造,且能有效减轻验证者的工作量并提升其工作效率,将竞标人的身份安全匿名的同时,使得无线频谱拍卖中每个竞标人及其投标价格信息的合法性得到验证。与现有频谱拍卖方案相比,文章设计的聚合签名在提高频谱拍卖安全性的同时具有更高的效率。

As spectrum auction grows in frequency and importance,an efficient certificateless aggregate signature scheme with provable security that requires no bilinear pairing operation is designed in this paper,aiming at the security problems of bidders anonymity,bid price and bidder verification in the secure algorithm of wireless single spectrum auction.Under the random oracle model and adaptive condition,the scheme can defend existential forgery,reduce the workload and improve the efficiency of verifier effectively.In addition to ensuring that the identity of bidders is safe and anonymous,the validity of each bidder and its bidding price information in wireless spectrum auction is also verified.Compared with the existing spectrum auction scheme,the aggregation signature designed in this paper has improved the security and efficiency of spectrum auction.