# Quantum Error Correcting Codes and the Security Proof of the BB84 Protocol

@article{Bhandari2014QuantumEC, title={Quantum Error Correcting Codes and the Security Proof of the BB84 Protocol}, author={Ramesh Bhandari}, journal={arXiv: Quantum Physics}, year={2014} }

We describe the popular BB84 protocol and critically examine its security proof as presented by Shor and Preskill. The proof requires the use of quantum error correcting codes called the Calderbank-Shor-Steanne (CSS) quantum codes. These quantum codes are constructed in the quantum domain from two suitable classical linear codes, one used to correct for bit-flip errors and the other for phase-flip errors. Consequently, as a prelude to the security proof, the report reviews the essential… CONTINUE READING

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