The cloud service provider maintains all the patient records and also they can provide permission to the user to access the data. The Cloud Service Provider can view all the uploaded and downloaded documents in the Cloud. The CSP receives the document request from the Data User, verifies the authentication before granting permission. Then the CSP executes the query and returns the encrypted document according to the search token. And also returns an additional proof with the document, to verify the search result. After creating the block, the healthcare provider will upload the records into the cloud. Suppose, if they want to retrieve a record from cloud, first the healthcare provider search the record. Based on the search it will show the results. After getting an approval and key from the cloud service provider the healthcare provider can download the data.
Volume 11 | Issue 11