DESIGN AND IMPLEMENTATION OF ENERGY EFFICIENT LIGHTWEIGHT ENCRYPTION (EELWE) ALGORITHM FOR MEDICAL APPLICATIONS

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Radhika Rani Chintala, Narasinga Rao M R, Somu Venkateswarlu

Abstract

Proportional to the growth in the usage of Human Sensor Networks (HSN), the volume of the data exchange between Sensor devices is increasing at a rapid pace. In HSNs, the sensors are either implanted or placed on the human body which are responsible for sensing the health data such as BP, Sugar level, Heart rate, etc. All this collected information is processed by the base station and is sent to the HSN servers via internet. Medical assistants who will have access to servers will analyze the health data of the patient and suggest appropriate medication. This will allow the doctors to have continuous monitoring on patient’s health condition. Since the data is related to patient’s health, it should be secured and confidential. In this paper, we have proposed an Energy Efficient Lightweight Encryption (EELWE) algorithm for providing the confidentiality of data at sensor level, particularly suitable for resource-constrained environments. Results obtained have proved that an EELWE consumes less energy relative to present lightweight ciphers and it supports multiple block sizes of 32-bit, 48-bit and 64-bit.

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