A Survey on Attribute Based Encryption Scheme in Cloud Computing

Abstract: Cloud computing, is an emerging computing paradigm, enabling users to remotely store their data in a server and provide services on-demand. In cloud computing cloud users and cloud service providers are almost certain to be from different trust domains. Data security and privacy are the critical issues for remote data storage. A secure user enforced data access control mechanism must be provided before cloud users have the liberty to outsource sensitive data to the cloud for storage. With the emergence of sharing confidential corporate data on cloud servers, it is imperative to adopt an efficient encryption system with a fine-grained access control to encrypt outsourced data. Attribute-based encryption is a public key based encryption that enables access control over encrypted data using access policies and ascribed attributes. In this paper, we are going to analysis various schemes for encryption and possible solutions for their limitations ,that consist of Attribute based encryption (ABE),KP-ABE, CP-ABE, Attribute-based Encryption Scheme with Non-Monotonic Access Structures, HABE, MA-ABE.

Keywords: Attribute-based encryption, cipher text policy, fine-grained access control, re-encryption