Abstract
Recent technological advancements have made it possible to communicate effectively. Communication's primary goal is to share information among users. Security in data communication is currently plagued by numerous issues. Quantum cryptography, a state-of-the-art cryptography technique, is used to solve problems. In this, the security of key transmission systems is safeguarded using quantum techniques. Approaches used for Practical Quantum Key Distribution are vulnerable to side channel attacks. Analyzing side channel assaults is a difficult task. We examine in detail the secure communication of the key in this system. The parity bit interleaved shift key technique will provide a higher level of protection against side channel attacks.
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