In this paper, we describe about the wireless sensor networks (WSN) in which are used to monitor the physical conditions and co-operatively send the messages of the sensor to the main location. The existing system has been focused on detecting abnormal heart rate by placing the sensor on the pacemaker during bypass surgery. If any abnormalities found, then the warning message has been sent to the patient's relatives. But the issues in the system are, they cannot discuss about the network [41] lifetime and tracking of the patient's location. Our system helps in finding the abnormalities of heart beat rate and also medicine intake by the patient using Bayesian algorithm. The paper highlights the need of personal caring of the patient by the hospital that will reduce unnecessary delay in providing treatment to a patient. It also concentrates on the network lifetime maximization and distance metrics while moving from one network to another network.
Cryptographic algorithms play a vital role in providing security to the data and from malicious attacks. Now a day’s storing the data in the Cloud became essential for organizations to reduce the overhead of securing the data within the organization. “Stream ciphers” are more vulnerable to attacks when compared to “Block Ciphers”. In this article we used java platform to evaluate and compare all the block cipher techniques used for converting plain text to cipher text and we have identified the best block cipher technique which can be used in cloud.
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