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Research Paper | Computer Science & Engineering | India | Volume 3 Issue 7, July 2014

Scalable and Secure Sharing of Personal Health records in Cloud Computing Using Attribute Based Encryption

Y. B. Gurav ^[8] | Manjiri Deshmukh

Abstract: Personal health record is maintain in the centralize server to maintain patients personal and diagnosis information. Personal health record (PHR) is an emerging patient-centric model of health information exchange, which is often outsourced to be stored at a third party, such as cloud providers. However, there have been wide privacy concerns as personal health information could be exposed to those third party servers and to unauthorized parties. The security schemes are used to protect personal data from public access. To assure the patients control over access to their own PHRs, it is a promising method to encrypt the PHRs before outsourcing. In this paper we propose novel patient-centric framework and suite of mechanism for data access control to PHRs stored in semi-trusted servers. To achieve ne-grained and scalable data access control for PHRs, we leverage attribute based encryption (ABE) techniques to encrypt each patients PHR le. Data owner update the personal data into third party cloud data centers. Multiple data owners can access the same data values. Our scheme supports efcient on-demand user/attribute revocation.

Keywords: Attribute-based encryption, cloud computing, data privacy, ne-grained access control, Personal health records, revocation

Edition: Volume 3 Issue 7, July 2014,

Pages: 411 - 413

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