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Improved security proofs of Delerablée's identity-based broadcast encryption scheme
- Authors
- Park, S.-M.; Hwang, S.-O.
- Issue Date
- 2011
- Keywords
- cryptography; identity-based broadcast encryption; identity-based encryption
- Citation
- Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), v.6935 LNCS, pp.472 - 481
- Volume
- 6935 LNCS
- Start Page
- 472
- End Page
- 481
- ISSN
- 0302-9743
- Abstract
- 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.
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