带有CBC模式反馈路径的3DES ASIC实现

2017 International Conference on Electron Devices and Solid-State Circuits (EDSSC) Pub Date : 2017-10-01 DOI:10.1109/EDSSC.2017.8126488

Tianshu Fu, Shuguo Li

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引用次数: 1

摘要

在3DES的CBC模式下对单个文件进行加密时，存在一条反馈路径，这会带来数据依赖性。即使提供了更多的资源，也无助于提高3DES的吞吐量。在本文中，我们提出了一种逻辑简化的方法来提高CBC模式下的吞吐量。在数据路径中，关键路径上的15级xor可以移动到非关键路径上。实验结果表明，我们的3DES在CBC模式下的ASIC实现可以达到3.33Gbps的吞吐量，是目前报道的设计中CBC模式下最快的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A 3DES ASIC implementation with feedback path in the CBC mode

When encrypting a single file in the CBC mode of 3DES, there is a feedback path which brings data dependency. Even much more resources are given, it does not help matters to increase the throughput of 3DES. In this paper, we propose a logic simplifying method to accelerate the throughput in the CBC mode. In the datapath, 15 levels of XORs from the critical path can be moved to the non-critical path. The experiment results show that our ASIC implementation of 3DES in the CBC mode can achieve 3.33Gbps in throughput, which is the fastest in the CBC mode in the reported designs.

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2017 International Conference on Electron Devices and Solid-State Circuits (EDSSC)

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