2010年07月16日

単純置換暗号

アルファベットを単純置換するだけで、平文が未知の言語のように見えるという実験です。

1991/12/30, posted by Jim Reeds
1. Encipher a paragraph or so of any language normally written in Roman letters, with a simple substitution where vowels stand for vowels and consonants stand for consonants. The resulting cipher text looks vaguely
like plain text in an unknown (but pronounceable) language.

For example, using the following mapping

plain: AEIOU BCDFGHJKLMNPQRSTVWXYZ
cipher: UIOEA TVWXYZBCDFGHJKLMNPQRS

平文

exstant et ad ciceronem, item ad familiares domesticis de rebus, in quibus, si qua occultius perterenda erant, per notas scripsit, id est sic structo litterarum ordine, ut nullam verbum effici posset; quae si qui investigare et persequi velit, quartem elementorum litteram, id est d pro a et perinde reliquas commutet.

there are also letters of his to cicero, as well as to his intimates on private affairs, and in the latter, if he had anything confidential to say, he wrote it in cipher, that is, by so changing the order of the letters of the alphabet, that not a word could be made out. if anyone wishes to decipher these, and get at their meaning, he must substitute the fourth letter of the alphabet, namely d, for a, and so with the others.

暗号

iqlmugm im uw vovikegif, omif uw xufodoukil wefilmovol wi kital, og jaotal, lo jau evvadmoal hikmikigwu ikugm, hik gemul lvkohlom, ow ilm lov lmkavme dommikukaf ekwogi, am gadduf niktaf ixxovo hellim; jaui lo jao ognilmoyuki im hiklijao nidom, jaukmif idifigmekaf dommikuf, ow ilm w hke u im hikogwi kidojaul veffamim.

mziki uki udle dimmikl ex zol me vovike, ul pidd ul me zol ogmofumil eg hkonumi uxxuokl, ugw og mzi dummik, ox zi zuw ugrmzogy vegxowigmoud me lur, zi pkemi om og vohzik, mzum ol, tr le vzugyogy mzi ekwik ex mzi dimmikl ex mzi udhzutim, mzum gem u pekw veadw ti fuwi eam. ox ugregi polzil me wivohzik mzili, ugw yim um mziok fiugogy, zi falm latlmomami mzi xeakmz dimmik ex mzi udhzutim, gufidr w, xek u, ugw le pomz mzi emzikl.
posted by ぶらたん at 16:13| Comment(0) | 暗号
この記事へのコメント
コメントを書く
お名前:

メールアドレス:

ホームページアドレス:

コメント: [必須入力]

認証コード: [必須入力]


※画像の中の文字を半角で入力してください。
HPへ戻る