Volume 20 No 9 (2022)
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CRYPTOGRAPHY AND STEGANOGRAPHY FOR SECURE DATA TRANSMISSION IN MEDICAL APPLICATION
J. Jayaprakash, K.Dhanasekaran, Manikandan S, Kanchana . A, Tharun Raj Akula, Mangal Singh
Abstract
With the use of more high-tech tools and web portals, healthcare data is being processed at an increasing rate, leading to the acquisition of enormous volumes of highly sensitive information. This proposal explores the security aspects of sending medical data. It is important to ensure the security of data communication in order to prevent data theft by hackers, hence photo processing is performed with the aid of available technology. A novel technique combining image cryptography, data obfuscation, and steganography is offered here in order to denoise photos for safe transmission. Quantum image cryptography is used in this study to ensure secure data transmission. Steganography is another popular way to communicate covertly. As a result of steganography technology, data cannot be stolen or modified before it reaches its intended recipient because it is unrecognizable. In this method, the original image is encrypted using a two-step encryption algorithm, the encrypted image is embedded with patient data using a lossless data embedding method, and data-hiding mechanisms are used to enforce security. With steganography, a cover image is encrypted using another medical image, and a hidden image is created using an insert photo. Reverse algorithms are applied in reverse order to get the original image and patient data, avoiding noise by separating the image before message decoding. A medical image demonstration was conducted to demonstrate the efficacy of the method
Keywords
Data transmission, Steganography, Cryptography, Medical image, Healthcare
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