可重构线性反馈移位寄存器设计  

Design of reconfigurable linear feedback shift register

作　　者：杭德全[1] 朱琳[1] 王志远 

机构地区：[1]信息工程大学国家数字交换系统工程技术研究中心,郑州450002 [2]空军电子技术研究所,北京100195

出　　处：《计算机应用》2009年第B06期396-398,共3页journal of Computer Applications

摘　　要：线性反馈移位寄存器是序列密码的重要组成部分,介绍了一种可重构线性反馈移位寄存器的设计。根据需要,它可以被配置成为GF(2),GF(28),GF(216)或GF(232)域上一定长度范围内的任意一个线性反馈移位寄存器。该可重构线性反馈移位寄存器原型已在Altera公司的EP2S60F1020C5FPGA上实现,最高可工作在100MHz时钟下。试验结果表明:该可重构线性反馈移位寄存器占用硬件资源少,性能稳定。Linear Feedback Shift Register （LFSR） is an important part of sequence cipher. This paper introduced a kind of reconfignrable LFSR design. As needed, it could be configured to be a random LFSR to run in GF（2）, GF（2S）, GF（216） or GF（232） and in a certain length range. The prototype of the reconfigurable LFSR had been implemented in Altera＇ s EP2S60F1020C5 FPGA and its highest run frequency was 100 MHz. It is proved through experiments that the reconfignrable LFSR design uses few hardware resources and its performance is stable.

关 键 词：序列密码 可重构 线性反馈移位寄存器 配置 

分 类 号：TN702[电子电信—电路与系统]