In this paper, we propose a new authenticated group key agreement protocol that uses identity-based signcryption to achieve the optimal communication complexity of a single broadcast message per member in a single round of communication, set by Becker and Wille. Our protocol is provably secure in the random oracle model, provided that the signcryption scheme is secure. By choosing a signcryption scheme that satisfies some additional criteria, our protocol provides key integrity in an efficient manner. © 2013 Springer-Verlag.
CITATION STYLE
Mailloux, N., Miri, A., & Nevins, M. (2013). COMPASS: Authenticated group key agreement from signcryption. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 7743 LNCS, pp. 95–114). https://doi.org/10.1007/978-3-642-37119-6_7
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