noun
cryptogram; cipher text; encrypted message
Refers to a message or text that has been encrypted, as opposed to plain text.
この暗号文を解読するのは難しい。
Deciphering this cryptogram is difficult.
暗号文を平文に戻す。
Convert the cipher text back to plain text.
Compound of 暗号 (code, cipher) and 文 (text, writing).