Delerablée proposed the first identity-based broadcast encryption scheme with constant size ciphertexts and private keys in [7]. But, the scheme was proved to be secure in the selective identity security model. We prove the scheme is secure in the full security model under an interactive assumption. © 2011 Springer-Verlag.
CITATION STYLE
Park, S. M., & Hwang, S. O. (2011). Improved security proofs of Delerablée’s identity-based broadcast encryption scheme. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 6935 LNCS, pp. 472–481). https://doi.org/10.1007/978-3-642-24082-9_58
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