Rate Compatible Protocol for Information Reconciliation: An application to QKD

Abstract

Information Reconciliation is a mechanism that allows to weed out the discrepancies between two correlated variables. It is an essential component in every key agreement protocol where the key has to be transmitted through a noisy channel. The typical case is in the satellite scenario described by Maurer in the early 90's. Recently the need has arisen in relation with Quantum Key Distribution (QKD) protocols, where it is very important not to reveal unnecessary information in order to maximize the shared key length. In this paper we present an information reconciliation protocol based on a rate compatible construction of Low Density Parity Check codes. Our protocol improves the efficiency of the reconciliation for the whole range of error rates in the discrete variable QKD context. Its adaptability together with its low interactivity makes it specially well suited for QKD reconciliation.

References in corpus (6)

• Quantum Cryptography
• Multidimensional reconciliation for continuous-variable quantum key distribution
• Fast, efficient error reconciliation for quantum cryptography
• Efficient reconciliation protocol for discrete-variable quantum key distribution
• Tomography increases key rates of quantum-key-distribution protocols
• Key rate of quantum key distribution with hashed two-way classical communication

Cited by in corpus (16)

• Key Reconciliation with Low-Density Parity-Check Codes for Long-Distance Quantum Cryptography
• QKD in Standard Optical Telecommunications Networks
• A real-time design based on FPGA for Expeditious Error Reconciliation in QKD system
• High Performance Error Correction for Quantum Key Distribution using Polar Codes
• Comparison of Short Blocklength Slepian-Wolf Coding for Key Reconciliation
• Interactive Reconciliation with Low-Density Parity-Check Codes
• Secure rate-adaptive reconciliation
• Quantum Pulse Gate Attack on IM/DD Optical Key Distribution Exploiting Symbol Shape Distortion
• On the Security of Offloading Post-Processing for Quantum Key Distribution
• Information Reconciliation for Quantum Key Distribution
• Separation of Reliability and Secrecy in Rate-Limited Secret-Key Generation
• Adding artificial noise for code rate matching in continuous-variable quantum key distribution
• Toward Efficient Quantum Key Distribution Reconciliation
• Performance of a reconciliation method operating on a discreet quantum key distribution system
• Easily Implemented Rate Compatible Reconciliation Protocol for Quantum Key Distribution
• Experimental study and pratical realization of a reconciliation method for quantum key distribution system