| S/key认证系统的安全缺陷及改进 |
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| 引用本文： | 李世平,李凤霞,战守义.S/key认证系统的安全缺陷及改进[J].计算机工程,2003,29(20):18-19,59. |
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| 作者姓名： | 李世平 李凤霞 战守义 |
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| 作者单位： | 北京理工大学计算机科学与工程系,北京,100081 |
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| 摘 要： | 在介绍S／Key一次性口令认证系统的基础上，指出S／Key系统的两个重大缺陷，并针对每一个缺陷提出了改进方案，提出了一种新的改进的一次性口令认证系统E-S／Key(Enhanced-S／Key)，并分析了新认证系统的安全性。
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| 关 键 词： | 一次性口令 Hash函数 S／key认证系统 网络安全 |
| 文章编号： | 1000-3428(2003)20-0018-02 |
Secure Defects and Improvement of S/Key Authentication System |
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| LI Shiping,LI Fengxia,ZHAN Shouyi.Secure Defects and Improvement of S/Key Authentication System[J].Computer Engineering,2003,29(20):18-19,59. |
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| Authors: | LI Shiping LI Fengxia ZHAN Shouyi |
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| Abstract: | In this paper , two fatal defects of S/Key system are analysed on the foundation of introduction of S/Key which is a one-time password authentication system, and improvement schemes are given according to each defect. A kind of new and improved one-time password authentication system,E-S/Key(enhanced S/Key) is put forward and the security is analysed. |
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| Keywords: | One-time password Authentication Hash function |
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