| Identity Based Group Key Agreement from Bilinear Pairing |
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| 作者姓名： | WANG Liming WU Chuankun |
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| 作者单位： | [1]Institute of Software, Chinese Academy of Sciences, Beijing 100080, China [2]Graduate University of Chinese Academy of Sciences, Beijing 100049, China |
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| 基金项目： | 国家自然科学基金;国家重点基础研究发展计划(973计划) |
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| 摘 要： | 0 IntroductionMulticast isthe core component of the groupcommunica-tions .There are several schemes proposed for securemulticast . The logical key hierarchy (LKH) was proposed byWonget al1].Inthat ,the groupcontroller (GC) maintains alogical key tree where each node represents a key encryptionkey. An opti mizationthat haves the size of the rekeying mes-sages is described by Canettiet al2]using a pseudo-randomgenerator tree(OFCT) . Another methodis the one-wayfunc-tion protocol (OFT)3…
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| 关 键 词： | 组密钥协议 多点传送 双线性配对 信息安全 |
| 文章编号： | 1007-1202（2006）06-1731-05 |
| 收稿时间： | 2006-04-20 |
Idetity based group key agreement from bilinear pairing |
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| WANG Liming WU Chuankun.Identity Based Group Key Agreement from Bilinear Pairing[J].Wuhan University Journal of Natural Sciences,2006,11(6):1731-1735. |
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| Authors: | Wang Liming Wu Chuankun |
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| Institution: | (1) Institute of Software, Chinese Academy of Sciences, 10080 Beijing, China;(2) Graduate University of Chinese Academy of Sciences, 100049 Beijing, China |
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| Abstract: | We present a provably secure authenticated tree based key agreement scheme for multicast. There is a wide variety of applications that can benefit from using our scheme, e. g. , pay-Tv, teleconferencing, software updates. Compared with the previous published schemes, our scheme provides group member authentication without introducing additional mechanism. Future, we give the security proof of our scheme under the random oracle model. |
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| Keywords: | group key agreement multicast bilinear pairing provable security |
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