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A High Efficient Software Design and Implementation of 3G Kasumi Algorithm
Author(s):
LI Xiang
,
XU Tong
,
XIONG Yan
Pages:
37
-
40
Year:
2012
Issue:
3
Journal:
Communications Technology
Keyword:
移动通信
;
Kasumi算法
;
信息安全
;
软件无线电
;
Abstract:
Kasumi分组密码由MISTY1加密算法发展而来,为第三代移动通信系统(3G)无线网络提供完整性和保密性服务.目前,该算法已有多种高效硬件实现方法,却少有高效软件实现方法提出.这里提出一种基于包并行的高效软件设计与实现,并通过对FI子函数进行查表来优化加密过程,同时引入新的SSE 转置指令实现快速密钥生成.实验结果表明这里的方法比协议实现要快4倍,并达到实际通信部署的要求.
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