针对国产加密技术的信号系统网络捕包解密方案

A Method of Decrypting Network Packet in Encrypted Signaling System Targeting Domestic Cryptographic Technology

针对轨道交通信号系统采用的国产密码技术,提出了信号系统解密网络抓包的方案。介绍了采用网络捕包解密方案的信号系统结构,详细阐述了在线解密和离线解密的工作流程。通过实验室测试,验证了网络捕包解密方案的实用性和可行性。

Targeting domestic cryptographic technology adopted in rail transit signaling system,a method of decrypting network packet in encrypted signaling system is proposed.The signaling system structure that captures network packets is introduced and the workflows of online decryption and offline decryption are expounded.Through laboratory experiments,the applicability and feasibility of network packet decryption solution is verified.