Abstract
In this paper, we propose a semi-static secure broadcast encryption scheme with constant-sized private keys and ciphertexts. Our result improves the semi-static secure broadcast encryption scheme introduced by Gentry and Waters. Specifically, we reduce the private key and ciphertext size by half. By applying the generic transformation proposed by Gentry and Waters, our scheme also achieves adaptive security. Finally, we present an improved implementation idea which can reduce the ciphertext size in the aforementioned generic transformation. © 2014 Springer International Publishing.
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CITATION STYLE
Kim, J., Susilo, W., Au, M. H., & Seberry, J. (2014). Efficient semi-static secure broadcast encryption scheme. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 8365 LNCS, pp. 62–76). https://doi.org/10.1007/978-3-319-04873-4_4
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