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一种新型的证书撤销列表
引用本文:牟颖,全太锋,袁丁.一种新型的证书撤销列表[J].计算机工程,2007,33(12):169-171.
作者姓名:牟颖  全太锋  袁丁
作者单位:1. 重庆师范大学物理学与信息技术学院,重庆,400047;四川师范大学计算机科学学院,成都,610068
2. 重庆通信学院,重庆,400035
3. 四川师范大学计算机科学学院,成都,610068
摘    要:对证书撤销机制进行了研究。指出基于有序顺序表的证书撤销列表方案的不足,提出一种基于二叉排序树的CRL方案。通过分析表明,该方案与传统CRL相比,能够减少证书用户查找撤销证书的平均查询次数,克服了顺序CRL在更新时移动记录的缺点,优化了系统性能,且方案易于实现。

关 键 词:公钥基础设施  证书撤销列表  二叉排序树
文章编号:1000-3428(2007)12-0169-03
修稿时间:2007-01-30

New Certificate Revocation List
MOU Ying,QUAN Taifeng,YUAN Ding.New Certificate Revocation List[J].Computer Engineering,2007,33(12):169-171.
Authors:MOU Ying  QUAN Taifeng  YUAN Ding
Affiliation:1. College of Physics and Information Technology, Chongqing Normal University, Chongqing 400047 ;2. College of Computer Science, Sichuan Normal University, Chengdu 610068; 3. Chongqing Communication Institute, Chongqing 400035
Abstract:This paper discusses certificate revocation list (CRL). A CRL based on schedule storage is not perfect and it proposes a new CRL based on binary sorted tree. Compared to other methods, the new method can reduce the average search length that the certificate user looks for the revocative certificate compared with traditional CRL. It is capable of avoiding the disadvantage of the improved CRL that any update will cause the move of the records, and it optimizes the performance of the certificate revocation system. The scheme is easy to be realized.
Keywords:Public key infrastructure (PKI)  Certificate revocation list (CRL)  Binary sorted tree
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