| 可重构模运算单元的研究 |
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| 引用本文： | 孟涛,戴紫彬.可重构模运算单元的研究[J].计算机工程,2008,34(6):145-147. |
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| 作者姓名： | 孟涛 戴紫彬 |
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| 作者单位： | 解放军信息工程大学电子技术学院,郑州,450004 |
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| 摘 要： | 分析了多种对称密码算法，总结了几种常用的模运算，设计并实现了高效、灵活的可重构模运算单元，该单元支持模28加、模28减、模28乘、模216加、模216减、模216乘、模(216+1)乘、模232加、模232减、模232乘及模(232-1)乘运算，也支持模28加、模28减、模28乘、模216加、模216减、模216乘及模(216+1)乘中任意2种运算的并行操作，给出了通用的操作指令。实验证明了该运算单元的有效性。
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| 关 键 词： | 密码算法 可重构 模运算 低-高算法 低+高算法 |
| 文章编号： | 1000-3428（2008）06-0145-03 |
| 收稿时间： | 2007-04-08 |
| 修稿时间： | 2007年4月8日 |
Research on Reconfigurable Modulo Operation Unit |
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| MENG Tao,DAI Zi-bin.Research on Reconfigurable Modulo Operation Unit[J].Computer Engineering,2008,34(6):145-147. |
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| Authors: | MENG Tao DAI Zi-bin |
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| Affiliation: | (Institute of Electronic Technology, PLA Information Engineering University, Zhengzhou 450004) |
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| Abstract: | This paper analyzes symmetry ciphers algorithm, summarizes kinds of modulo operations, contrives high-performance and reconfigurable modulo unit, which supports modulo28 addition, modulo28 subtraction, modulo28 multiplication, modulo216 addition, modulo216 subtraction, modulo216 multiplication, modulo(216+1) multiplication, modulo232 addition, modulo232 subtraction, modulo232 multiplication and modulo(232-1) multiplication, and also supports any two parallel operations of modulo28 addition, modulo28 subtraction, modulo28 multiplication, modulo216 addition, modulo216 subtraction, modulo216 multiplication, modulo(216+1) multiplication. Universal instructions of the unit is given. Experimental results show that the modulo unit is effective. |
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| Keywords: | ciphers algorithm reconfigurable modulo operation low-high algorithm low+high algorithm |
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