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요약정보
基于OpenCL的3DES算法FPGA加速器 / FPGA Accelerator for 3DES Algorithm Based on OpenCL
Resource Type
Academic Journal
Authors
吴健凤
;
郑博文
;
聂一
;
柴志雷
;
WU Jianfeng
;
ZHENG Bowen
;
NIE Yi
;
CHAI Zhilei
Source
计算机工程 / Computer Engineering
. 47(12):147-162
Subject
OpenCL框架;现场可编程门阵列;加解密算法;3DES算法;流水并行结构
Language
Chinese
ISSN
1000-3428
Online Access
Scopus
Find it @ DONGA
초록
在数字货币、区块链、云端数据加密等领域,传统以软件方式运行的数据加解密存在计算速度慢、占用主机资源、功耗高等问题,而以Verilog/VHDL等方式实现的现场可编程门阵列(FPGA)加解密系统又存在开发周期长、维护升级困难等问题.针对3DES算法,提出一种基于OpenCL的FPGA加速器设计方案.设计具有48轮迭代的流水并行结构,在数据传输模块中采用数据存储调整、数据位宽改进策略提高内核实际带宽利用率,在算法加密模块中采用指令流优化策略形成流水线并行架构,同时采用内核矢量化、计算单元复制策略进一步提高内核性能.实验结果表明,该加速器在Intel Stratix 10 GX2800上可获得111.801 Gb/s的吞吐率,与Intel Core i7-9700 CPU相比性能提升372倍,能效提升644倍,与NvidiaGeForce GTX 1080Ti GPU相比性能提升20%,能效提升9倍.
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