Virtual private key generator based escrow-free certificateless public key cryptosystem for mobile ad hoc networks
Virtual private key generator based escrow-free certificateless public key cryptosystem for mobile ad hoc networks
复制标题
用于移动自组织网络的基于虚拟私钥生成器的免托管无证书公钥密码系统
DOI：
10.1002/sec.529
复制
发表时间：
2013
影响因子：
--
通讯作者：
Wang, Baocang
中科院分区：
文献类型：
--
作者：
Lv, Xixiang;Li, Hui;Wang, Baocang
无证书公钥密码体制不需要单独的证书，也不存在复杂的证书管理问题，可以在资源受限的移动自组网(MANET)中构建密钥分发和管理体系。提出了一种基于虚拟私钥生成器(VPKG)的无证书无证书公钥密码体制，它是无证书密码体制和门限密码体制的新结合。通过秘密共享，建立一个成员协作计算部分私钥并通过公共通道发送给用户的VPKG。用户的私钥由VPKG和用户共同生成。他们中的每一个都有关于用户私钥的秘密信息的“一半”。此外，将用户的公钥分别与其身份和部分私钥绑定，将我们的方案提高到与传统公钥基础设施中相同的信任级别。我们还证明了该方案对公钥替换攻击和被动攻击是安全的。版权所有©2012 John Wiley&Sons，Ltd.
A certificateless public key cryptosystem can make a special contribution to building key distribution and management architecture in resource-constrained mobile ad hoc networks (MANETs) because it has no separate certificate and no complex certificate management problems. In this paper, we present a virtual private key generator (VPKG)-based escrow-free certificateless public key cryptosystem as a novel combination of certificateless and threshold cryptography. Using secret sharing, we build a VPKG whose members collaboratively calculate the partial private key and send it to the user via public channels. The private key of a user is generated jointly by the VPKG and the user. Each of them has “half” of the secret information about the private key of the user. In addition, binding a user's public key with its identity and partial private key, respectively, raises our schemes to the same trust level as is enjoyed in a traditional public key infrastructure. We also show that the proposed scheme is secure against public key replacement attacks and passive attacks. Copyright © 2012 John Wiley & Sons, Ltd.
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DOI：
10.1007/978-3-540-88140-7_11
发表时间：
2008-10
期刊：
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影响因子：
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DOI：
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DOI：
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2010-05
期刊：
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DOI：
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2004-12
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