| Distribution of Random Session Key Based on Key-insulated Public-Key Cryptosystems |
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| 作者姓名： | LUHai-jun SUYun-xue ZHUYue-fei |
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| 作者单位： | DepartmentofNetworkEngineering,InformationEngineeringUniversity,Zhengzhou450002,Henan,China |
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| 基金项目： | SupportedbytheNationalNaturalScienceFoundationofChina(90204015,60473021)andtheBasicResearchProgramofChina(973Program)(G1999035804) |
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| 摘 要： | Based on the characteristic of key-insulated puhtic-key cryptosystem, we propose a distributed random session keys distribution protocol without a key distribution center. The session key is generated by different user and only used one time. So the key is one-time key. In addition, the user who generates the next one-time key, is random selected by the current session key. In the protocol of this paper, thecharacteristic of time in the key-insulated public-key, a dis-tributed protocol, translates into the characteristic of space which every point has different secret key in the different period. At the same time, the system is fit for key management in Ad Hoc, and is a new scheme of key management in Ad Hoc.
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| 关 键 词： | 钥孤立公钥密码系统 一次性密钥 分布式密码协议 密钥管理 Ad-Hoc |
| 收稿时间： | 25 May 2004 |
Distribution of random session key based on key-insulated public-key cryptosystems |
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| LUHai-jun SUYun-xue ZHUYue-fei.Distribution of Random Session Key Based on Key-insulated Public-Key Cryptosystems[J].Wuhan University Journal of Natural Sciences,2005,10(1):251-254. |
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| Authors: | Lu Hai-jun Su Yun-xue Zhu Yue-fei |
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| Institution: | (1) Department of Network Engineering, Information Engineering University, 450002, Henan Zhengzhou, China |
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| Abstract: | Based on the characteristic of key-insulated public-key cryptosystem, we propose a distributed random session keys distribution protocol without a key distribution center. The session key is generated by different user and only used one time. So the key is one-time key. In addition, the user who generates the next one-time key, is random selected by the current session key. In the protocol of this paper, the characteristic of time in the key-insulated public-key, a distributed protocol, translates into the characteristic of space which every point has different secret key in the different period. At the same time, the system is fit for key management in Ad Hoc, and is a new scheme of key management in Ad Hoc. |
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| Keywords: | key-insulated public-key cryptosystem one-time key distributed cryptography protocol distributed characteristic of space and time key management of Ad Hoc |
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