# Key Policy-Attribute Based Fully Homomorphic Encryption (KP-ABFHE) Scheme for Securing Cloud Application in Multi-users Environment

Tan Soo Fun, and Azman Samsudin, (2016) Key Policy-Attribute Based Fully Homomorphic Encryption (KP-ABFHE) Scheme for Securing Cloud Application in Multi-users Environment. Lecture Notes in Electrical Engineering (LNEE), 398. pp. 77-86.

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Key Policy-Attribute Based Fully Homomorphic Encryption (KP-ABFHE) Scheme for Securing Cloud Application in Multi-users Environment.pdf

## Abstract

Recently, cloud technologies has become a cost-effective data solution among the small and medium-sized enterprises (SMEs). However, there is a raising concern on its security. This paper proposed the Key Policy-Attribute Based Fully Homomorphic Encryption (KP-ABFHE) scheme for providing an end-to end data protection in multi-users cloud environments. The proposed KP-ABFHE scheme is able to perform the computation while providing fine-grained access on the encrypted data. The proposed scheme is able to handle a monotonic access structure over a set of authorized attributes, without sacrificing the computation capabilities of homomorphic encryption. In addition, this paper proves that the proposed scheme is secure under a selective-set model with the hardness of Decision Ring-LWE$${_{d,q, \chi } }$$ problem.

Item Type: Article Cloud computing Fully homomorphic encryption Attribute-based encryption Attribute-based fully homomorphic encryption Q Science > QA Mathematics > QA76 Computer software FACULTY > Faculty of Computing and Informatics MR OTHMAN HJ RAWI 11 Jun 2019 05:54 11 Jun 2019 05:54 http://eprints.ums.edu.my/id/eprint/22210