计算机科学 ›› 2011, Vol. 38 ›› Issue (4): 141-144.
• 计算机网络与信息安全 • 上一篇 下一篇
杨亚涛，曹陆林，李子臣，郭宝安，徐树民
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YANG Ya-tao,CAO Lu-lin,LI Zi-chen,GUO Bao-an,XU Shu-min
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摘要： 现有的直接匿名认证方案吸取了群签名、身份托管、证书系统等技术来实现匿名证明，存在着执行效率慢、安全性差等缺点;而新型XTR公钥密码体制运算速度快，安全性强。基于XTR公钥密码体制，采用零知识证明的思路，改进了目前的直接匿名认证方案，经分析论证，与原机制相比，新方案的安全性和执行效率均得到明显提高。
关键词: 可信计算，直接匿名认证，XTR
Abstract: The existing direct anonymous attestation scheme achieves anonymous attestation using group signature,identity managed, certificate system technology and so on, which has the defect being slow implementation of the efficiency and poor safety. The computing speed of the new XTR public key cryptosystem is fast, and its safety is well.Based on the XTR public key cryptosystem, using zero-knowledge proof, this article improved the original direct anonymous attestation scheme. Demonstrated by analyzing, compared with the original mechanism, the security and implementation of this new scheme have been improved greatly.
Key words: Trusted computing, Direct anonymous attestation,XTR
杨亚涛，曹陆林，李子臣，郭宝安，徐树民. 基于XTR机制改进的直接匿名认证方案[J]. 计算机科学, 2011, 38(4): 141-144. https://doi.org/
YANG Ya-tao,CAO Lu-lin,LI Zi-chen,GUO Bao-an,XU Shu-min. Improved Direct Anonymous Attestation Scheme Based on XTR System[J]. Computer Science, 2011, 38(4): 141-144. https://doi.org/
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