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单词 monoalphabetic
释义

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monoalphabetic
monoalphabetic adj.
Brit. /ˌmɒnəʊalfəˈbɛtɪk/
,
U.S. /ˌmɑnoʊˌælfəˈbɛdɪk/
designating a cipher in which each letter corresponds to one letter of the normal alphabet.
ΘΚΠ
the mind > mental capacity > knowledge > secrecy, concealment > code, cipher > [adjective] > particular code
polygraphic1878
monoalphabetic1923
polyalphabetic1927
1923 W. F. Friedman Elem. of Cryptanalysis xvii. 113 (table) Table 5.—Synoptic table for cipher analysis. 1. Determine the class from vowel-consonant proportions...2b. Substitution...3c. Monoalphabetic.
1927 Daily Express 24 Nov. 13 The most simple code is the ‘monoalphabetic’, in which a letter is always represented by the same sign, letter, or numeral.
1988 D. Welsh Codes & Cryptogr. vii. 106 A substitution cipher is sometimes described as a monoalphabetic cipher.
extracted from mono-comb. form
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更新时间:2024/11/10 21:38:14