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为了减轻网络分割对移动自组织网中密钥管理服务的负面影响,提出一种基于分布式认证中心的密钥管理方案。通过引入辅助子密钥并加以有效管理,方案有策略地增加网络中子密钥的冗余度,同时保证系统的安全性和鲁棒性。在部署该方案的模拟场景的测试中,该方案使得在请求分布式认证中心时,请求平均失败率减少50%以上。分析和模拟结果表明:该方案既能够防止常见的攻击,又能够有效增强密钥管理服务的鲁棒性。
In order to reduce the negative effect of network segmentation on the key management service in mobile ad hoc networks, a key management scheme based on distributed authentication center is proposed. By introducing auxiliary sub-keys and effectively managing them, the scheme can strategically increase the redundancy of network neutron keys while ensuring the security and robustness of the system. In the testing of the simulated scenario where the solution was deployed, this solution resulted in a reduction of the average request failure rate by more than 50% when requesting a distributed CA. The analysis and simulation results show that this scheme not only can prevent common attacks but also can effectively enhance the robustness of key management services.