Fully secure functional encryption: Attribute-based encryption and (hierarchical) inner product encryption

Allison Lewko*, Tatsuaki Okamoto, Amit Sahai, Katsuyuki Takashima, Brent Waters

*この研究の対応する著者

研究成果: Conference contribution

938 被引用数 (Scopus)

抄録

We present two fully secure functional encryption schemes: a fully secure attribute-based encryption (ABE) scheme and a fully secure (attribute-hiding) predicate encryption (PE) scheme for inner-product predicates. In both cases, previous constructions were only proven to be selectively secure. Both results use novel strategies to adapt the dual system encryption methodology introduced by Waters. We construct our ABE scheme in composite order bilinear groups, and prove its security from three static assumptions. Our ABE scheme supports arbitrary monotone access formulas. Our predicate encryption scheme is constructed via a new approach on bilinear pairings using the notion of dual pairing vector spaces proposed by Okamoto and Takashima.

本文言語English
ホスト出版物のタイトルAdvances in Cryptology - Eurocrypt 2010, 29th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Proceedings
ページ62-91
ページ数30
DOI
出版ステータスPublished - 2010
外部発表はい
イベント29th in the Series of EuropeanConferences on the Theory and Application of Cryptographic Techniques, Eurocrypt 2010 - French Riviera, France
継続期間: 2010 5月 302010 6月 3

出版物シリーズ

名前Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
6110 LNCS
ISSN(印刷版)0302-9743
ISSN(電子版)1611-3349

Conference

Conference29th in the Series of EuropeanConferences on the Theory and Application of Cryptographic Techniques, Eurocrypt 2010
国/地域France
CityFrench Riviera
Period10/5/3010/6/3

ASJC Scopus subject areas

  • 理論的コンピュータサイエンス
  • コンピュータ サイエンス(全般)

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