Security of Communication and Quantum Technology

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In this article we aim to analyse some of the advances in security of communication since this discipline evolved and to pinpoint the main problems. We then introduce a modern attempt to solve some of these problems, in particular the key distribution problem, by using the theory of quantum mechanics to construct a communication system that automatically detects eavesdropping. We examine some of the implications of quantum mechanics relevant to this field and then introduce a selection of communication protocols based on them. Finally we examine how secure these protocols are and identify their potential weaknesses.

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