分组密码算法矩阵乘法运算的设计原理

J4 ›› 2012, Vol. 50 ›› Issue (02): 191-194.

分组密码算法矩阵乘法运算的设计原理

张学润¹, 徐向红¹, 张学颖²

1. 吉林大学农学部公共教学中心, 长春 130061|2. 解放军第230医院信息科, 辽宁丹东 118000

收稿日期:2011-05-20 出版日期:2012-03-26 发布日期:2012-03-21
通讯作者: 张学润 E-mail:xuerun@jlu.edu.cn

Theory of Matrix Multiplicative Targeted in Block Ciphers

ZHANG Xuerun¹, XU Xianghong¹, ZHANG Xueying²

1. Teaching Center of Basic Courses, |Agriculture Branch, Heping Capmus, Jilin University, Changchun 130061, China;
2. Center of Network, 230 Hospital of PLA, Dandong 118000, Liaoning Province, China

Received:2011-05-20 Online:2012-03-26 Published:2012-03-21
Contact: ZHANG Xuerun E-mail:xuerun@jlu.edu.cn

摘要/Abstract

摘要：

通过分析分组密码算法中矩阵乘法运算的设计原理和特点, 结合逻辑电路结构特征, 提出一种可重构矩阵乘法硬件架构的设计原理及方法. 电路模拟结果显示, 按此原理设计的运算电路在保持运算电路高效性的同时, 提高了硬件电路的灵活性.

关键词: 分组密码；矩阵乘法；有限域

Abstract:

On the basis of analyzing the theories and characteristics of matrix multiplicative which is used in block ciphers and the characters of logic circuit, the authors presented a theory and method of designing a dynamic reconfigurable hardware architecture of matrix multiplicative. The analog circuit on computer proves that the circuit which is designed according to the method presented in this paper is effective in keeping the efficiency of circuit and improves the flexibility of the circuit.

Key words: block cipher, matrix multiplicative, galois field

中图分类号:

O156.2

张学润, 徐向红, 张学颖. 分组密码算法矩阵乘法运算的设计原理[J]. J4, 2012, 50(02): 191-194.

ZHANG Hua-Run, XU Xiang-Gong, ZHANG Hua-Ying. Theory of Matrix Multiplicative Targeted in Block Ciphers[J]. J4, 2012, 50(02): 191-194.