暗あん号ごう文ぶん

noun

cryptogram; cipher text; encrypted message

Refers to a message or text that has been encrypted, as opposed to plain text.

• この暗あん号ごう文ぶんを解かい読どくするのは難むずかしい。

  Deciphering this cryptogram is difficult.

• 暗あん号ごう文ぶんを平ひら文ぶんに戻もどす。

  Convert the cipher text back to plain text.