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has been cited by the following article:

• TITLE: A Simple Security Proof for Entanglement-Based Quantum Key Distribution

  AUTHORS: Mhlambululi Mafu

  KEYWORDS: Quantum Key Distribution, Simple Security Proof, Entanglement-Based, Quantum Cryptography, Polarisation

  JOURNAL NAME: Journal of Quantum Information Science, Vol.6 No.4, December 21, 2016

  ABSTRACT: Quantum cryptography exploits the quantum mechanical properties of communication lines to enhance the security of the so-called key distribution. In this work, we explain the role played by quantum mechanics in cryptographic tasks and also investigate how secure is quantum cryptography. More importantly, we show by a simple security proof that for any state sent by the sender, the eavesdropper can only guess the output state with a probability that will allow her not to learn more than half of the classical Shannon information shared between the legitimate parties. This implies that with high probability, the shared key is secure.