q-composite密钥管理方案的研究与改进

Research and improvement for q-composite key management scheme

密钥管理是无线传感器网络研究中最重要最基本的问题,好的密钥管理方案为无线传感器网络提供安全可靠的保密通信,为无线传感器网络在特定领域的应用提供保障。为了扩展q-composite密钥管理方案的应用范围,针对它的不足之处,引进散列函数,对q-composite方案密钥池中的密钥进行散列,大大提高了网络安全连通度和抗节点俘获能力。通过实验结果验证,改进方案大大提高了q-composite方案的安全性能。

Key management is the most important and basic issues of wireless sensor networks.A good key management scheme can provide secure and reliable wireless communication for wireless sensor networks.It can also provide protection for wireless sensor network applications in specific areas.In order to extend the application of the q-composite key management scheme.Aiming at the shortcomings of q-composite key management scheme.It introduce a hash function,to hash the keys in its key pool,which greatly improves network security connectivity and anti-node capture capability.According to the experimental results.It can conclude that the improving scheme greatly increased the security of q-composite scheme.