We propose a scheme to realize a synchronization-based key distribution utilizing the information reconciliation method of lower triangular error-bits detection. The proposed method can solve the problem of error bits caused by parameter mismatches of two synchronized semiconductor lasers in the scheme of synchronization-based key distribution. Theoretical analysis shows that this method can detect error bits with high probability through one-time information transmission of public keys. Moreover, reconciliation efficiency of this method is also studied theoretically. Finally, we demonstrate the feasibility of this method and investigate the security against leakage of information in the reconciliation procedure.
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Wang et al. (2015) studied this question.
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