In conference channels, users communicate with each other using a conference key that is used to encrypt messages. There are two basic approaches in which the key can be established. In the first one, a central server is used (with a chairman role). The server generates the key and distributes it to participants. The second approach is that all participants compute a key without a chairman. In this paper, we introduce a special type of group authentication using secret sharing, which provides an efficient way to authenticate multiple users belonging to the same group without the chairman. Our proposed protocol is a many-to-many type of authentication. Unlike most user authentication protocols that authenticate a single user each time, our proposed protocol authenticates all users of a group at once.
CITATION STYLE
Hyla, T., & Pejaś, J. (2016). A fault-tolerant authenticated key-conference agreement protocol with forward secrecy. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 9842 LNCS, pp. 647–660). Springer Verlag. https://doi.org/10.1007/978-3-319-45378-1_56
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