翻訳と辞書 Words near each other ・ Rotation matrix ・ Rotation method ・ Rotation Model of Learning ・ Rotation number ・ Rotation of ammunition ・ Rotation of axes ・ Rotation operator ・ Rotation operator (quantum mechanics) ・ Rotation period ・ Rotation system ・ Rotational angiography ・ Rotational bell painting ・ Rotational Brownian motion ・ Rotational Brownian motion (astronomy) ・ Rotational correlation time ・ Rotational cryptanalysis ・ Rotational diffusion ・ Rotational energy ・ Rotational invariance ・ Rotational modulation collimator ・ Rotational molding ・ Rotational mouse ・ Rotational partition function ・ Rotational sampling in wind turbines ・ Rotational spectroscopy ・ Rotational speed ・ Rotational symmetry ・ Rotational temperature ・ Rotational transition ・ Rotational viscosity 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 Rotational cryptanalysis ： ウィキペディア英語版 Rotational cryptanalysis In cryptography, rotational cryptanalysis is a generic cryptanalytic attack against algorithms that rely on three operations: modular addition, rotation and XOR — ARX for short. Algorithms relying on these operations are popular because they are relatively cheap in both hardware and software and run in constant time, making them safe from timing attacks in common implementations. The term "rotational cryptanalysis" was coined by Dmitry Khovratovich and Ivica Nikolić in 2010 paper "Rotational Cryptanalysis of ARX", which presented the best cryptanalytic attacks at that time against a reduced-round Threefish cipher — part of Skein (hash function), a SHA-3 competition candidate.〔(【引用サイトリンク】author=Bruce Schneier )〕 A follow-up attack from the same authors and Christian Rechberger breaks collision resistance of up to 53 of 72 rounds in Skein-256, and 57 of 72 rounds in Skein-512. It also affects the Threefish cipher. == References == 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「Rotational cryptanalysis」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.