计算机应用 ›› 2019, Vol. 39 ›› Issue (7): 1997-2000.DOI: 10.11772/j.issn.1001-9081.2018122429
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摘要:
基于编码的密码体制可以有效地抵抗量子计算攻击,具有较好的可操作性以及数据压缩能力,是后量子时代密码方案的可靠候选者之一。针对量子时代中计算机数据的安全保密问题,对编码密码中的Niederreiter密码方案改进版进行深入研究,提出了一种与双公钥加密方式相结合的密码方案。所提方案的安全性相比Niederreiter方案改进版以及基于准循环低密度奇偶校验码(QC-LDPC)的Niederreiter双公钥加密方案得到提升,在密钥量方面相比传统Niederreiter密码方案的公钥量至少下降了32%,相比基于QC-LDPC码的Niederreiter双公钥加密方案也有效下降,在量子时代保证计算机数据安全表现出较强的可靠性。
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