Title: Enhanced H-ABE-R and T-ABKS for cloud computing environment

Authors: Rachel Nallathamby; C.R. Rene Robin

Addresses: Jerusalem College of Engineering, Velachery Main Road, Narayanapuram, Pallikaranai, Chennai-600100, India ' Jerusalem College of Engineering, Velachery Main Road, Narayanapuram, Pallikaranai, Chennai-600100, India

Abstract: For a data owner (patient) wants to share his health data, data which is extremely sensitive in nature and when he wishes to maintain privacy it is common for data owners to encrypt the data. Sharing encrypted data leads to difficulties in key management (traditional PKI infrastructure). In the first half of our work, we propose an novel attribute-based encryption, a further extension of identity-based encryption that allows roles or policies to be defined over a set of attributes and propose a hybrid attribute-based encryption - with revocation (H-ABE-R) which is more suitable for multi-user hospital settings as it allows us to give permissions to access data for short periods of time. We then propose a time and attribute-based keyword search (T- ABKS). We check our algorithm and prove our scheme comparably efficient.

Keywords: verifiable computation; keyword search; attribute-based encryption; revocation.

DOI: 10.1504/IJRIS.2019.099862

International Journal of Reasoning-based Intelligent Systems, 2019 Vol.11 No.2, pp.194 - 202

Received: 04 Sep 2017
Accepted: 12 May 2018
Published online: 24 May 2019 *

Full-text access for editors Full-text access for subscribers Purchase this article Comment on this article