Secure and Efficient Way of Handling Medical Records in Cloud

Abstract

Personal health records (PHRs) are touted as a new convenience technology for
consumers. It enables the patients to create a health information of their own in a
centralized way, which alleviate the storage, access and sharing of health data in the cloud
environment. By storing the health information in the cloud various security issues should
arise such us authorization, key management and efficient user revocation, therefore,
before outsourcing the PHR in the cloud, it is a promising method to encrypt the PHR using
Attribute Based Encryption. Existing cryptographic schemes are planned for single owner
settings, here, dealt with multiple owner scenarios which reduce the key management
complexity for owners and users. Enhancing the MA-ABE scheme to handle efficient and
on-demand user revocation, and prove its security. The experimental results will show the
security and efficiency of the proposed system.