noun
Etymology: from present participle of key (II)
: a sequence of numbers or letters that enciphers or deciphers a polyalphabetic substitution cipher letter by letter
noun
Etymology: from present participle of key (II)
: a sequence of numbers or letters that enciphers or deciphers a polyalphabetic substitution cipher letter by letter
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012