Focusing on the problem of information leakage in information reconciliation (IR), this paper proposes an IR method based on systematic secure polar code (SSPC), which can ensure the security of transmitted check bits. First, the upper and lower bounds of decoded bit error ratio are derived through Gaussian approximation. Then, the generic algorithm is utilized to design suitable SSPC for IR based on the initial quantified bit error ratios, key strength and IR outage probability (IROP). At last, the completely IR procedures are simulated to evaluate the performances of proposed IR method. Simulation results show that the proposed method not only satisfies the requirements of key strength and IROP threshold, but also achieves higher IR efficiency, compared with traditional low density parity check (LDPC) code based IR method.


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    Title :

    Information Reconciliation Based on Systematic Secure Polar Code for Secret Key Generation


    Contributors:
    Zhang, Shengjun (author) / Jin, Liang (author) / Zhu, Shilei (author) / Huang, Kaizhi (author) / Zhong, Zhou (author)


    Publication date :

    2018-08-01


    Size :

    379314 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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