暗号 (angō) means “cipher” | MotiTan Japanese Dictionary

More examples

暗号を知らない人には、内容が分かりません。an gō o shi ra na i hito ni wa nai yō ga wa ka ri ma se n

People who do not know the cipher cannot understand the contents.

Describes information converted into an agreed form so that its meaning stays hidden from unauthorized readers.

符号fugō: A system of signs or rules for representing information without keeping it secret.

秘密を守るために、文字や記号を一定の規則に従って変換したもの。hi mitsu o mamo ru ta me ni moji ya ki gō o it tei no ki soku ni shitaga tte hen kan shi ta mo no

The noun 暗号 (angō) combines 暗 (an, "dark") with 号 (gō, "mark"), giving the sense of a mark whose meaning is concealed.

A cipher differs from a password because a cipher transforms a message, whereas a password is a secret word or sequence used to identify or authorize someone.