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Generic Construction of Black-Box Traceable Attribute-Based Encryption

Authors :
Saif Al-Kuwari
Fucai Luo
Source :
IEEE Transactions on Cloud Computing. 11:942-955
Publication Year :
2023
Publisher :
Institute of Electrical and Electronics Engineers (IEEE), 2023.

Abstract

Attribute-based encryption (ABE) has been widely used to provide fine-grained access control to encrypted data in cloud computing. However, in practice, since the attributes are shared by multiple users in the ABE system, it is difficult to identify malicious users which intentionally but implicitly reveal their own ABE secret keys for some purpose. In recent years, a substantial amount of work focused on designing efficient tracing mechanisms to identify such misbehaving users on ABE. In this paper, we propose an efficient generic construction of black-box traceable ABE to identify the traitors. Our construction supports (public) adaptive black-box traceability and has short keys and short ciphertexts that are independent of the number of users. Technically, our construction relies on a generic transformation from any attribute-based inner-product functional encryption (ABIPFE) scheme to black-box traceable ABE system. Furthermore, to instantiate our generic construction from standard lattices, we propose the first lattice-based ABIPFE scheme, which is proven weakly selective secure in the standard model.

Details

ISSN :
23720018
Volume :
11
Database :
OpenAIRE
Journal :
IEEE Transactions on Cloud Computing
Accession number :
edsair.doi...........7a7be0c0a70a66f0d54d2e381c556dfa
Full Text :
https://doi.org/10.1109/tcc.2021.3121684