一个安全有效的会议密钥分配方案
A Secure and Efficient Conference Key Distribution Scheme
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摘要: 指出了M.Steiner等人提出的会议密钥分配方案GDH.2存在的安全漏洞,并提出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不安全的通信网络进行信息交流。相对于GDH.2而言,本方案只以 增加很小的计算量和通信负荷为代价,使安全性能得到较大的提高。Abstract: A security flaw in the conference distribution scheme, namely GDH.2, proposed byM. Steiner et al, is found out, and a new secure and efficient conference key distribution scheme suitable for users exchanging information on insecure communication networks. Compared with GDH.2, the security of this new scheme is greatly improved at the cost of a slight increase in computation and communication loads.
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Key words:
- safety /
- computer networks /
- conference key /
- hash function
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