IMPROVING PRIVACY IN SHARING OF PERSONAL HEALTH DATA STORAGE ON CLOUD

Vahidhunnisha J., Ramasamy ., Balasubramaniam T

Abstract


PHRs grant patients access to a wide range of health information sources, best medical practices and health knowledge. In patient centric secure sharing, patients will create, manage and control their personal health data from one place using the web. In cloud computing, it is attractive for the health record service providers to shift their patients data applications and storage into the cloud, in order to like the flexible resources and diminish the operational cost, but by storing health records in the cloud, the patients be unable to find physical control to their personal health data, which makes it required for each patient to encrypt the data prior to uploading to the cloud servers. Under encryption, it is difficult to achieve fine-grained access control to personal health data in a scalable and well-organized way. Existing cryptographic enforced access control schemes are mostly designed for the single-owner scenarios. In this, suggest a patient-centric frame work and a suite of mechanism for data access control to PHRs stored in semi-trusted servers. To allow fine-grained and scalable access control for PHRs, control attribute based encryption (ABE) techniques to encrypt every patients data. Different from earlier works in protected data outsourcing, center on the multiple data owner scenario, and separate the user in the system into multiple security domains that really decreases the key managing complexity for owners and users. In this way, a high degree of patient privacy is assured concurrently by developing multi-authority ABE.


Keywords


Cloud computing; Multi-authority; Personal Health Records; Fine-grained access control;

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