Multi-receiver authentication is an extension of traditional point-to-point message authentication in which a sender broadcasts a single authenticated message such that all the receivers can independently verify the authenticity of the message, and malicious groups of up to a given size of receivers can not successfully impersonate the transmitter, or substitute a transmitted message. This paper presents some new results on unconditionally secure multi-receiver authentication codes. First we generalize a polynomial construction due to Desmedt, Frankel and Yung, to allow multiple messages be authenticated with each key. Second, we propose a new flexible construction for multi-receiver A-code by combining an A-code and an (n, m, k)-cover-free family. Finally, we introduce the model of multi-receiver A-code with dynamic sender and present an efficient construction for that.
CITATION STYLE
Safavi-Naini, R., & Wang, H. (1998). New results on multi-receiver authentication codes. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 1403, pp. 527–541). Springer Verlag. https://doi.org/10.1007/BFb0054151
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