慣用暗号方式

かんようあんごうほうしき

noun

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conventional cryptosystem(computer term)

慣	accustomed, get used to, become experienced
用	utilize, business, service, use, employ
暗	darkness, disappear, shade, informal, grow dark, be blinded
号	nickname, number, item, title, pseudonym, name, call
方	direction, person, alternative
式	style, ceremony, rite, function, method, system, form, expression