Randomized Key-based GMO-BCS Image Encryption for Securing Medical Image
Vineet Kumar Singh, Achintya Singhal, Kabindra Nath Rai, Dept. of Mathematical Sciences, IIT (BHU), Varanasi, India., Abhishek Kumar, Amit Nandan Dhar Dwivedi · International Journal of Recent Technology and Engineering (IJRTE) · 2019
An essential security requirement while transmitting and receiving medical images is to maintain confidentiality and authorization of these medical images. This paper contains a proposal of an enhanced lossless image encryption algorithm that provides security to Digital Imaging and Communications in Medicine (DICOM) images by producing a random key with using enhanced group modulo based bit circular shift (GMO-BCS) technique. Random key production is the backbone of this technique to provide robust security of medical images that transfer over a network. In the encryption process, we randomly generate a key for each and every pixel of the DICOM image. Group theory is used in this process to create circular shifting in 8-bit pixel values while the security enhancement employs the random key for encryption. This technique is more suitable for medical image encryption either by direct transmission or multimedia app-based transmission under telemedicine and others.