即时安全通信会议密钥分配方案

Distribution Scheme of An Instant Secure Communication Conference Key

提出了一个新的安全有效的会议密钥分配方案,该方案适合多个用户通过临时组建的网络实现即时安全通信。相对于GDH.2而言,该方案对通信参与者的身份以及传输数据的完整性进行了验证,而且对最后产生的会议密钥进行了确认,只以增加很小的计算和通信负荷为代价,安全性能就得到了较大的提高。

This paper proposes a new secure and efficient conference distribution scheme that is suitable for exchanging information over a temporary network. Compared with GDH.2, the identity of the participants and the integrality of transmitted data are verified in the scheme, the final conference key is affirmed moreover. Security of the new scheme is greatly improved at a slight cost in computation and communication overheads.