In this scheme we put forward the concept of matrix pool on which our key predistribution scheme is upbuilt，and encrpytion scheme is introduced into the process of key transfer.

该方案提出池概念，将密钥预配置建立在多个密钥之上，节省节点存储空间，增强网络展性。将加密传输机制应用到密钥传输过程中，增强密钥传输过程中安全性。