| 电子商务的数据加密保护 |
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| 引用本文： | 瞿海斌.电子商务的数据加密保护[J].系统工程与电子技术,1999,21(10):64. |
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| 作者姓名： | 瞿海斌 |
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| 作者单位： | 浙江大学信息与电子工程系,杭州,310027 |
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| 摘 要： | 构造的分组加密算法由满足Luby和Rackoff的超伪随机结构的Feistel型网络代换加密模型、满足严格雪崩准则的2DM扩散矩阵及由4个满足平衡性、高非线性度及满足严格雪崩特征的布尔函数的非线性变换F三个独立结构所构成。基本上达到了文中所述的数据加密算法的6条基本规则。
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| 关 键 词： | 结构设计 矩阵理论 算法 非线性变换 |
| 修稿时间： | 1998年6月11日 |
Design and Security Analysis of Cipher Block Algorithm |
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| Qu Haibin.Design and Security Analysis of Cipher Block Algorithm[J].System Engineering and Electronics,1999,21(10):64. |
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| Authors: | Qu Haibin |
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| Abstract: | Cipher block algorithm developed in this paper is based on three independent elements:feistel network substitution based on Ruby and Rackoff super pseudorandom structure,2 DM diffusion matrix as well as four nonlinear boolean functions with balanced property,high nonlinear property together with strict avalanche property that are nearly closed to the basic design principles of a block cipher described in the paper. |
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| Keywords: | Super pseudorandom structure 2 -DM diffusion matrix Nonlinear transformation Cipher block algorithm |
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