Pre-distribution asymmetric key management scheme for mobile ad hoc networks
Pre-distribution asymmetric key management scheme for mobile ad hoc networks
复制标题
移动自组织网络预分配非对称密钥管理方案
DOI：
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复制
发表时间：
2012
影响因子：
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通讯作者：
Wei, Xue-Ye1
中科院分区：
文献类型：
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作者：
Han, Lei1;Liu, Ji-Qiang2;Han, Zhen2;Wei, Xue-Ye1
为了降低移动自组网中非对称密钥管理的通信开销，基于组合公钥(CPK)框架、ElGamal公钥密码体制和密钥预分发模式，提出了一种基于身份的预分发非对称密钥管理方案(PAKMS)。该方案通过私钥生成(PKG)为每个节点预先分配主密钥子集和基于时间的密钥更新方法，从根本上降低了移动自组网中非对称密钥管理的通信开销。PKG预先分发主密钥子集的方法还使得节点获得密钥和密钥更新服务，该方案在一定程度上避免了基于身份的非对称密钥管理中固有的密钥托管问题，与典型方案相比，完成节点密钥更新服务所需的通信开销要小得多，并对方案的安全性进行了详细的证明。
In order to reduce communication overhead of the asymmetric key management in mobile ad hoc networks,an identity-based pre-distribution asymmetric key management scheme(PAKMS) was presented based on combined public key(CPK) framework,ElGamal public key cryptosystem and key pre-distribution mode.This scheme essentially reduced communication overhead of the asymmetric key management in mobile ad hoc networks by the private key generation(PKG) distributing a subset of master key for every node beforehand and a time-based key update approach.The method that PKG pre-distributed a subset of master key also made the nodes obtain their keys and key update services,which did not need to rely on online PKG.Thus,the inherent key escrow problem existing in identity-based asymmetric key management was avoided to some degree.Compared with typical schemes,this scheme needed much less communication overhead to accomplish node key update service.Furthermore,security proof of the scheme was described in detail.