安全群组通信的研究是一个十分活跃的研究领域，群组密钥管理机制的研究是其中最具有挑战性的工作。
Secure group Communication System has been an active research domain, in which the group key management scheme is the most challenging work.
相对于端到端的通信，安全群组通信更为复杂，从基本算法、系统及安全协议到安全实现都还存在需解决的问题。
Secure group communication is more complicated than peer to peer communication, and poses a number of challenges ranging from basic algorithms, systems and secure protocols to secure implementation.
在基本知识查询和处理语言(KQML)的基础上进行扩充，使得KQML能够支持多智能体群组密钥更新协议和安全群组通信协议。
Extends the base knowledge query and manipulation language (KQML) to support multi-agent group re-keying protocols and secure group communication protocol.
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