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- 2015
高效的可证明安全的无证书数字签名方案
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Abstract:
无证书公钥密码体制结合了基于身份和传统PKI公钥密码体制的优势,克服了基于身份公钥密码体制的密钥托管问题及PKI系统的证书管理问题,具有很高的效率。该文提出一个在随机预言机模型下可证明安全的无证书数字签名方案。该方案只需分别在系统初始化阶段、验证阶段预进行一次双线性对运算,而在签名阶段不需要进行计算。计算结果证明该方案比以往的无证书数字签名方案具有更高的计算效率和通信效率,且具有随机预言机模型下的可证明安全性。
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