Security of health information has been a major issue in the health care industry. Health information exchange have been help doctors, patients, and other healthcare providers to securely access and share the medical information. Cloud computing led to easier and safer access and sharing of medical records. To provide additional security to cloud computing employ encryption techniques and blockchain. In this method develop the mobile application to enhance the security of health information in cloud storage using various encryption techniques and blockchain.Base64 encoding and AES algorithm are used for providing more security to the medical records. Blockchain transactions occur within a peer-to-peer network of patient records. SHA-256 algorithm is used for implementing the blockchain. This system protects the confidentiality of health data stored on cloud storage.
Due to growing hazards to networked computer system, there is great need for security innovations. Authentication is the process of security to information. User authentication is one of the significant topics in information security. Commonly used authentication is alphanumeric passwords, biometrics and smart card. At present day upcoming popular method is graphical password. In graphical password systems authentication is based on clicking on image rather than typing alphanumeric strings .The motivation to develop graphical password is the fact that human can remember picture better than text. In this we propose a graphical password scheme which is more secured than other method. This method also depends not only on image but also number of mouse click on the image. This method reduces the huge image database, as well as images being too simple to cause collisions on points selected for different users.
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