| 基于ElGamal签名的移动通信系统用户认证方案 |
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| 引用本文： | 李维科,李方伟.基于ElGamal签名的移动通信系统用户认证方案[J].通信学报,2005,26(11):137-139. |
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| 作者姓名： | 李维科 李方伟 |
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| 作者单位： | 重庆邮电学院移动通信技术重点实验室,重庆400065 |
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| 基金项目： | 重庆市教委科学技术研究项目（020507）重庆市发改委资金资助项目（20041072） |
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| 摘 要： | 提出了一种改进的基于EIGamal签名的移动用户认证方案。与原方案相比，新方案使得网络中心的安全性进一步提高，同时通过对认证过程的改进，使得用户的计算量得以降低。分析结果表明，该改进方案不仅具有更低的计算复杂度，而且具有更高的安全性，符合移动通信系统要求。
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| 关 键 词： | 移动通信 认证方案 EIGamal签名 网络安全 |
| 文章编号： | 1000-436X（2005）11-0137-03 |
| 收稿时间： | 2004-06-08 |
| 修稿时间： | 2005-08-28 |
User authentication scheme based on the EIGamal signature for mobile communication system |
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| LI Wei-ke, LI Fang-wei.User authentication scheme based on the EIGamal signature for mobile communication system[J].Journal on Communications,2005,26(11):137-139. |
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| Authors: | LI Wei-ke LI Fang-wei |
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| Affiliation: | Key Lab. of Mobile Communications Technology, CQUPT, Chongqing 400065, China |
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| Abstract: | An efficient user authentication protocol was presented for a digital mobile communication system based on the E1Gamal signature. Compared with the original scheme, the new scheme had improved the security performance of the network center as well as reduced the cost calculation of the user through improvements made in the authentication process. The analysis of the new scheme shows that the modified scheme is of higher security and lower calculative complexity, which satisfies the requirements of mobile communication. |
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| Keywords: | mobile communication authentication scheme E1Gamal signature network security |
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