翻訳と辞書 Words near each other ・ Specter of the Rose ・ Specter Range ・ Specter Werkes/Sports ・ Specters (film) ・ Specters of Marx ・ Specters of the Dawn ・ Spectinabilin ・ Spectinomycin ・ Specto ・ Spector ・ Spector (band) ・ Spector (disambiguation) ・ Spector v. Norwegian Cruise Line Ltd. ・ SpectorDance Company ・ SpectorSoft ・ Spectr-H64 ・ Spectra ・ Spectra (book) ・ Spectra (installation) ・ Spectra Communications Group ・ Spectra Energy ・ SPECTRA helmet ・ Spectra Logic ・ Spectra Music Group ・ Spectra Records ・ Spectra Shield ・ Spectra Vondergeist (Monster High) ・ Spectracanthicus ・ Spectracanthicus murinus ・ Spectracanthicus punctatissimus Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Spectr-H64 ： ウィキペディア英語版 Spectr-H64 In cryptography, Spectr-H64 is a block cipher designed in 2001 by N. D. Goots, A. A. Moldovyan and N. A. Moldovyan. It relies heavily on the permutation of individual bits, so is much better suited to implementation in hardware than in software. The algorithm has a block size of 64 bits and key size of 256 bits. It uses a 12 round structure in which half of the block determines the transformation of the other half in each round, similar to a Feistel cipher or RC5. This same basic design was repeated in its successor, CIKS-1. ==Cryptanalysis== An analysis of Spectr-H64 was presented in 2002 by Selçuk Kavut and Melek D Yücel of the Middle East Technical University, showing a method of using a differential attack to retrieve half of the key bits when a single round is used. Using this method, they then presented a slide attack that requires 217 chosen plaintexts to return all key bits on the full 12 rounds. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Spectr-H64」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.