一种高效的基于身份的强指定验证者签名方案

An Efficient Identity Based Strong Designated Verifier Signature Scheme

针对目前人们提出的一些基于身份的强指定验证者签名方案的安全性证明存在的缺陷,分析了基于身份的强指定验证者签名方案必须满足的安全特性,利用双线性映射设计了一个新颖的基于身份的强指定验证者签名方案,并在随机预言模型下基于双线性Diffie-Hellman假设严格证明了方案的安全性。将本文方案与现有方案进行比较,本文方案效率最高,签名长度最短。

Some identity based strong designated verifier signature schemes proposed in the past years have some flaws in the security analysis.In order to solve these problems the security properties of the identity based strong designated verifier signature scheme was illustrated.Then a novel identity based strong designated verifier signature scheme was presented from bilinear map.Finally,the security of the presented scheme was strictly proven in the random oracle model under the bilinear Diffie-Hellman assumption...