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Identity-based Broadcast Encryption with Shorter Transmissions 被引量：2

Identity-based Broadcast Encryption with Shorter Transmissions
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摘要 This paper describes two identity-based broadcast encryption （IBBE） schemes for mobile ad hoc networks. The first scheme proposed achieves sub-linear size cipertexts and the second scheme achieves O（1）- size ciphertexts. Furthermore, when the public keys are transmitted, the two schemes have short transmissions and achieve O（1） user storage cost, which are important for a mobile ad hoc network. Finally, the proposed schemes are provable security under the decision generalized bilinear Diffi-Hellman （GBDH） assumption in the random oracles model. This paper describes two identity-based broadcast encryption(IBBE) schemes for mobile ad hoc networks.The first scheme proposed achieves sub-linear size cipertexts and the second scheme achieves O(1)-size ciphertexts.Furthermore, when the public keys are transmitted, the two schemes have short transmissions and achieve O(1) user storage cost, which are important for a mobile ad hoc network.Finally, the proposed schemes are provable security under the decision generalized bilinear Di?-Hellman(GBDH) assumption in the random oracles model.
作者 张乐友 胡予濮 牟宁波
机构地区 Department of Mathematical Science Xidian University Key Laboratory of Computer Networks and Information Security
出处 《Journal of Shanghai Jiaotong university(Science)》 EI 2008年第6期641-645,共5页 上海交通大学学报（英文版）
基金 the National Natural Science Foundation of China (Nos. 60673072, 60803149) the National Basic Research Program (973) of China(No. 2007CB311201)
关键词 broadcast encryption identity-based encryption short transmissions provable security 广播编密码 密码识别 短传输 可证明安全
分类号 TP309.7 [自动化与计算机技术—计算机系统结构]
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参考文献10

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同被引文献18

  • 1沈玉龙,裴庆祺,马建峰.MMμTESLA:多基站传感器网络广播认证协议[J].计算机学报,2007,30(4):539-546. 被引量：18
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  • 6冯涛,马剑锋.基于单向累加器的移动ad hoe网络组密钥管理方案[J].通信学报,2007,28(11A):103-107.
  • 7马春光,王九如,钟晓睿等.基于单向累加器的传感网密钥管理协议[J].通信学报,2011,31(11A):184-189.
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Journal of Shanghai Jiaotong university(Science)
2008年 第6期

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