- progressive-alphabet cipher
- noun
: a polyalphabetic substitution in which the choice of alphabets runs through them all in a definite order — compare multiple-alphabet cipher
Useful english dictionary. 2012.
progressive-alphabet cipher
Look at other dictionaries:
multiple-alphabet cipher — noun : polyalphabetic substitution in which the choice of alphabets is limited (as by a key word) compare progressive alphabet cipher … Useful english dictionary
vigenère cipher — |vēzhə|ne(ə)r noun Usage: usually capitalized V Etymology: after Blaise de Vigénère died 1596 French diplomat and student of cryptography : polyalphabetic substitution with alphabets derived from one pair of primary alphabets by sliding (as in… … Useful english dictionary
wheatstone cipher — noun Usage: usually capitalized W Etymology: after Sir Charles Wheatstone : a progressive alphabet cipher in which the next alphabet is used whenever the plaintext letter does not stand later in the plain component than the preceding plaintext… … Useful english dictionary
Vigenère cipher — The Vigenère cipher is a method of encrypting alphabetic text by using a series of different Caesar ciphers based on the letters of a keyword. It is a simple form of polyalphabetic substitution.The Vigenère (pronEng|ˌviːdʒɪˈnɛəɹ, veedj ih nair )… … Wikipedia
Polyalphabetic cipher — A polyalphabetic cipher is any cipher based on substitution, using multiple substitution alphabets. The Vigenère cipher is probably the best known example of a polyalphabetic cipher, though it is a simplified special case. The Enigma machine is… … Wikipedia
Wadsworth's cipher — was a cipher invented by Decius Wadsworth, a Colonel in the Ordnance Corps of the United States Army. In 1817, he developed a progressive cipher system based on a 1790 design by Thomas Jefferson, establishing a method that was continuously… … Wikipedia
India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… … Universalium
