| 基于代码片段的无线传感器网络密钥更新方案* |
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| 引用本文： | 朱凌志,王建新,马行坡. 基于代码片段的无线传感器网络密钥更新方案*[J]. 计算机应用研究, 2011, 28(6): 2212-2214. DOI: 10.3969/j.issn.1001-3695.2011.06.058 |
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| 作者姓名： | 朱凌志 王建新 马行坡 |
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| 作者单位： | 1. 中南大学,信息科学与工程学院,长沙,41008;湖南工学院,计算机与信息科学系,湖南,衡阳,421008
2. 中南大学,信息科学与工程学院,长沙,410083 |
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| 基金项目： | 教育部高等学校骨干教师基金 |
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| 摘 要： | 针对当前无线传感器网络密钥更新技术存在的安全隐患，提出了一种基于代码片段的密钥更新方案（简称CSU方案）。CSU首先为传感器节点预分配初始密钥以及代码片段，相邻节点之间通过交换代码片段获得相同的代码片段集，然后利用代码片段集所组成的更新程序完成密钥更新。理论分析表明，CSU不仅具有很高的安全性，同时具有计算、通讯开销低的特点,完全支持大规模无线传感器网络。
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| 关 键 词： | 初始密钥；代码片段；密钥更新 |
| 收稿时间： | 2010-08-23 |
| 修稿时间： | 2010-12-30 |
Key updating scheme for wireless sensor networks based on code slices |
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| ZHU Ling-zhi,WANG Jian-xin,MA Xing-po. Key updating scheme for wireless sensor networks based on code slices[J]. Application Research of Computers, 2011, 28(6): 2212-2214. DOI: 10.3969/j.issn.1001-3695.2011.06.058 |
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| Authors: | ZHU Ling-zhi WANG Jian-xin MA Xing-po |
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| Affiliation: | ZHU Ling-zhi1,2,WANG Jian-xin1,MA Xing-po1(1.School of Information Science & Engineering,Central South University,Changsha 410083,China,2.Dept.of Computer & Information Science,Hunan Institute of Technology,Hengyang Hunan 421008,China) |
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| Abstract: | Allowing for the safe leak of the present key updating technology for wireless sensor network, a new key updating scheme is proposed based on code slices(We call it CSU for short). In CSU, an initial key and some code slices are preloaded on each sensor node. After exchanging code slices by neighbor nodes, any two neighbor nodes can get the same set of code slices. Then the set of code slices can make up a key updating program which can be used to update the pair-wise key. According to the theory analysis, CSU can insure high security with low overhead of computation and communication, and it supports large scale wireless sensor networks well. |
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| Keywords: | original key code slices key updating |
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