Efficient semi-static secure broadcast encryption scheme

Jongkil Kim; Willy Susilo; Man Ho Allen Au; Jennifer Seberry

doi:10.1007/978-3-319-04873-4_4

Efficient semi-static secure broadcast encryption scheme

Jongkil Kim, Willy Susilo, Man Ho Allen Au, Jennifer Seberry

Research output: Journal article publication › Conference article › Academic research › peer-review

13 Citations (Scopus)

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.

Original language	English
Pages (from-to)	62-76
Number of pages	15
Journal	Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume	8365 LNCS
DOIs	https://doi.org/10.1007/978-3-319-04873-4_4
Publication status	Published - 28 Feb 2014
Externally published	Yes
Event	6th International Conference on Pairing-Based Cryptography, Pairing 2013 - Beijing, China Duration: 22 Nov 2013 → 24 Nov 2013

Keywords

broadcast encryption
constant size
semi-static

ASJC Scopus subject areas

Theoretical Computer Science
General Computer Science

More information

10.1007/978-3-319-04873-4_4

Cite this

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Efficient semi-static secure broadcast encryption scheme. / Kim, Jongkil; Susilo, Willy; Au, Man Ho Allen et al.
In: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 8365 LNCS, 28.02.2014, p. 62-76.

Research output: Journal article publication › Conference article › Academic research › peer-review

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AB - 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.

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DO - 10.1007/978-3-319-04873-4_4

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Efficient semi-static secure broadcast encryption scheme

Abstract

Keywords

ASJC Scopus subject areas

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