本文结合特征入侵检测和异常入侵检测技术，提出了一种在密码协议运行中，能动态监视安全协议运行，实时检测其上攻击的方法，详细介绍了该方法的工作原理，并通过实例验证了此方法的可行性。关键词：密码协议 入侵检测 实时 动态Abstract: This paper propose a analysis method of cryptographic protocols based on Misuse and Anomaly Detection, which can dynamic monitor executing cryptographic protocols and detect attacks in real-time. The authors introduce principles of the method and verify the method by instance.Key words: Cryptographic Protocols, Intrusion Detection, Real Time, Dynamic