Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Mitsuru Matsui ya gano layin layin layi, kuma yana buƙatar 243 sanannun rubutu (Matsui, 1993); an aiwatar da hanyar (Matsui, 1994), kuma ita ce farkon gwajin gwajin DES da za a ruwaito. Babu wata shaida da ke nuna cewa an tsara DES don tsayayya da wannan nau'in harin. An ba da shawarar ƙaddamar da LC "multiple linear cryptanalysis" a cikin 1994 (Kaliski da Robshaw), kuma Biryukov da sauransu sun ƙara inganta shi. (2004); bincikensu ya nuna cewa ana iya amfani da kusancin layi da yawa don rage buƙatun bayanai na harin aƙalla kashi 4 (wato, 241 maimakon 243). Za'a iya samun raguwa irin wannan a cikin rikitarwa na bayanai a cikin wani zaɓi na zaɓin rubutu mai sauƙi na layin layi na layi (Knudsen da Mathiassen, 2000). Junod (2001) ya yi gwaje-gwaje da yawa don ƙayyade ainihin rikitarwa na lokaci na layin layi, kuma ya ruwaito cewa ya kasance da sauri fiye da yadda aka annabta, yana buƙatar lokaci daidai da 239<unk>241 DES kimantawa.  Tambaya: Yaushe aka fara aiwatar da Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin Layin
Shekarar 1994