Optimized Software Implementations of E2(Special Section on Cryptography and Information Security)

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概要

• 論文の詳細を見る

• This letter describes several techniques for optimizing software implementations of E2 on various platforms.We propose optimization techniques for each part of E2;a new inversion algorithm, efficient byte splitting and merging for BP-Function, and an efficient SPN(Substitution-Permutation Network)implementation for 32- or 64-bit processors.As a result, E2 achieves the encryption speeds of 100.5kb / s, 68.3Mb / s, 162.3Mb / s, and 130.8Mb / s for H8 / 300(5MHz), Pentium Pro(200MHz), Pentium II(450MHz), and 21164A(600MHz).

• 社団法人電子情報通信学会の論文
• 2000-01-25

著者

• AOKI Kazumaro

  NTT Laboratories

• UEDA Hiroki

  NTT Laboratories

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