TY - GEN
T1 - Master-Key KDM-Secure ABE via Predicate Encoding
AU - Feng, Shengyuan
AU - Gong, Junqing
AU - Chen, Jie
N1 - Publisher Copyright:
© 2021, International Association for Cryptologic Research.
PY - 2021
Y1 - 2021
N2 - In this paper, we propose the first generic framework for attribute-based encryptions (ABE) with master-secret-key-dependent-message security (mKDM security) for affine functions via predicate encodings by Chen, Gay and Wee [Eurocrypt 2015]. The construction is adaptively secure under standard k-Lin assumption in prime-order bilinear groups. By this, we obtain a set of new mKDM-secure ABE schemes with high expressiveness that have never been reached before: we get the first hierarchical IBE (HIBE) scheme and the first ABE scheme for arithmetic branching program (ABP) with mKDM security for affine functions. Thanks to the expressiveness (more concretely, delegability like HIBE), we can obtain mKDM-secure ABE against chosen-ciphertext attack (i.e., CCA security) via a classical CPA-to-CCA transformation that works well in the context of mKDM.
AB - In this paper, we propose the first generic framework for attribute-based encryptions (ABE) with master-secret-key-dependent-message security (mKDM security) for affine functions via predicate encodings by Chen, Gay and Wee [Eurocrypt 2015]. The construction is adaptively secure under standard k-Lin assumption in prime-order bilinear groups. By this, we obtain a set of new mKDM-secure ABE schemes with high expressiveness that have never been reached before: we get the first hierarchical IBE (HIBE) scheme and the first ABE scheme for arithmetic branching program (ABP) with mKDM security for affine functions. Thanks to the expressiveness (more concretely, delegability like HIBE), we can obtain mKDM-secure ABE against chosen-ciphertext attack (i.e., CCA security) via a classical CPA-to-CCA transformation that works well in the context of mKDM.
UR - https://www.scopus.com/pages/publications/85106448428
U2 - 10.1007/978-3-030-75245-3_20
DO - 10.1007/978-3-030-75245-3_20
M3 - 会议稿件
AN - SCOPUS:85106448428
SN - 9783030752446
T3 - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
SP - 543
EP - 572
BT - Public-Key Cryptography – PKC 2021 - 24th IACR International Conference on Practice and Theory of Public Key Cryptography, 2021, Proceedings
A2 - Garay, Juan A.
PB - Springer Science and Business Media Deutschland GmbH
T2 - 24th IACR International Conference on Practice and Theory of Public Key Cryptography, PKC 2021
Y2 - 10 May 2021 through 13 May 2021
ER -