Adhoc网络的多点秘密共享方案及其应用  

A Multi-point Secret Sharing Scheme in Ad hoc Networks

作　　者：黄欣[1] 熊国华[1] 陈启宏[2] 张立炎[2] 

机构地区：[1]信息工程大学电子技术学院,河南郑州450000 [2]武汉理工大学自动化学院,湖北武汉430070

出　　处：《武汉理工大学学报（信息与管理工程版）》2014年第5期589-591,共3页Journal of Wuhan University of Technology：Information & Management Engineering

基　　金：国家"863"重大科技攻关资助项目(2012AA110601)

摘　　要：针对Ad hoc网络,提出了一种多点秘密共享方案。该方案基于大整数分解和离散对数计算复杂度高的数学原理,采用Deffie-Hellman密钥协商协议产生子密钥。在子密钥传输过程中,引入影子密钥,增加了攻击者恢复出子密钥的难度,有效解决了子密钥传输过程中易被窃听的问题;同时通过多个秘密分发者将密钥分配给参与者,防止了攻击者对秘密分发者的单点攻击,解决了个别秘密分发者、参与者欺骗问题,增强了方案的健壮性。对于多种攻击手段的分析表明,该方案能够有效抵御多种攻击方法,没有安全缺陷,与传统秘密共享方案的比较表明,该方案实现代价小,运算复杂度低,安全级别高。A multi-point new secret sharing scheme was proposed for Ad hoc networks .The scheme based on the complexi-ty of difficult big integer factorization and discrete logarithm computation .The Deffie-Hellman key agreement protocol was a-dopted to create sub-key.The shadow key was introduced in the sub -key transfer process , which increased the difficulty of at-tacking.Thus the scheme can effective solve the problem of encryption of sub -key.At the same time, multi-point secret dis-tribution can prevent the attacker from single point attacking , which can ensure the robustness of the scheme .Through the analy-sis, it was found that the multi -point secret sharing scheme can better meet the needs of application with higher safety and effec -tiveness.

关 键 词：多点秘密共享方案 明文传输 子密钥 秘密分发者 

分 类 号：TP393.0[自动化与计算机技术—计算机应用技术]