Passage: Linear cryptanalysis was discovered by Mitsuru Matsui, and needs 243 known plaintexts (Matsui, 1993); the method was implemented (Matsui, 1994), and was the first experimental cryptanalysis of DES to be reported. Hakuna ushahidi kwamba DES ilikuwa tailored to be resistant to this type of attack. generalization of LC<unk>multiple linear cryptanalysis<unk>was suggested in 1994 (Kaliski and Robshaw), and was further refined by Biryukov and others. (2004); their analysis suggests that multiple linear approximations could be used to reduce the data requirements of the attack by at least a factor of 4 (that is, 241 instead of 243). Kupunguza utata katika data inaweza kuchaguliwa katika toleo halisi ya linear cryptanalysis (Matsui, 1993); mbinu hii ilitekelezwa (Matsui, 1994), na ilikuwa ya kwanza ya majaribio ya majaribio ya majaribio ya majaribio ya DES kutajwa.
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