Digital transferring of medical images in a fraction of second has become inevitable in this internet era. Hence, it is very much essential and need of the time to protect any personal information with utmost secrecy against unauthorized viewers by victimization cryptography. To facilitate the process of getting secure communication, the recent advances in wireless technology have reached its peak and paved way to use the licensed frequency bands suited for Cognitive Radio (CR). In this paper, initially sensing the frequency bands that are not in demand will be initially identified by the CR users, and then the essential encrypted biomedical information will be exchanged between data management systems in hospitals, doctors and patients in rural areas using the identified free spectrum holes. The sensitivity of the encryption algorithm was tested by passing the encrypted medical information over wireless channels like Additive White Gaussian Noise, Rayleigh and Rican channels. Bit error rate, number of pixel changing rate and unified average changing intensity, entropy, correlation values and Chi square tests were estimated to ascertain the reliability and effectiveness of the proposed scheme offering good resistance to known plain text, color noise and chosen cipher text attacks.
Wireless Personal Communications – Springer Journals
Published: Aug 16, 2017
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