本文在分析了当前网络安全面临的主要威胁基础上,综述了远程监控系统的安全策略,包括密码技术,信息确认技术,主要是介绍了 RSA,SHA 和AES。最后通过一个实例,根据RSA,SHA 以及AES 的特点,采用混合加密系统,并运用各自的改进算法,实现了一种全面、具有较高安全性能的远程控制方案。 关键词:远程监控;RSA;SHA;AES;VC Abstract: In this paper, several security strategies including the cryptography technology, the information authentication technology are reviewed on the basis of the analysis of the major treats to network.. RSA, SHA and AES are mainly introduced. Finally, an all-around and safe remote control system is done according to the characteristics of RSA,SHA and AES. Keywords: Remote Monitoring; RSA;SHA;AES;VC