転てん置ち式しき暗あん号ごう

noun

transposition cipher

A cryptographic method that rearranges the order of characters without changing the characters themselves. Technical term used in information security.

• 転てん置ち式しき暗あん号ごうは、平ひら文ぶんの文も字じの順じゅん序じょを入いれ替かえることで暗あん号ごう化かを行おこなう。

  A transposition cipher encrypts by rearranging the order of the plaintext characters.