Efficient Reconciliation Protocol with Polar Codes for Quantum Key Distribution

Sunghoon Lee, J. Heo
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引用次数: 5

Abstract

Information reconciliation is a critical process of any Quantum Key Distribution (QKD) protocol, where two legitimate parties agree on a secret key. Two parties attempt to eliminate the discrepancies between their correlated keys in the presence of an adversary, while revealing a minimum amount of information. In this paper, we propose a reconciliation protocol using polar codes with a soft-output decoder. We demonstrate that our method is better than a conventional protocol using polar codes in the view of reconciliation efficiency.
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基于极性码的量子密钥分配高效协调协议
信息协调是任何量子密钥分发(QKD)协议的关键过程,其中两个合法方就一个秘密密钥达成一致。在对手存在的情况下,双方试图消除其相关密钥之间的差异,同时透露最少的信息。在本文中,我们提出了一种使用极性码和软输出解码器的和解协议。我们证明了我们的方法在调和效率方面优于使用极性码的传统协议。
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