Personal health record is an emerging trend in the field of the change which uses the personal health information of the patients. Third parties such as cloud providers are used to accumulate the PHR. The Cloud computing system is one of the rapidly rising computing technologies distributed model. Even though the machinery is rising speedily, there are many problems associated with the storage of personal health information in the cloud system, which comprises frequent security confronts to the PHR privacy and discretion. There are diverse types of approaches are used to shield the privacy of the coordination. In this paper various encryption methods such as attribute based encryption (ABE), Public Key Encryption (PKE), Identity Based Encryption (IDE) are conversing. This paper also discusses regarding how the above declared techniques donates in securing the PHR in the cloud system.
Personal health record (PHR), cloud computing, Encryption Schemes.