Vigenere square

См. также в других словарях:

• vigenère square — noun see vigenère tableau …   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

• vigenère tableau — noun also vigenère table or vigenère square Usage: usually capitalized V Etymology: after B. de Vigénère : a square cipher table formed by placing the same normal or mixed primary alphabet one step farther to the left on each successive line and… …   Useful english dictionary

• square table — noun : vigenère tableau …   Useful english dictionary

• cipher square — noun : vigenère tableau …   Useful english dictionary

• Classical cipher — A cipher is a means of concealing a message, where letters of the message are substituted or transposed for other letters, letter pairs, and sometimes for many letters. In cryptography, a classical cipher is a type of cipher that was used… …   Wikipedia

• Полиалфавитный шифр — Содержание 1 Исторические сведения 2 Полиалфавитные шифры: суть подхода к шифрованию …   Википедия

• квадрат Вижинера — — [http://www.rfcmd.ru/glossword/1.8/index.php?a=index&d=5064] Тематики защита информации EN Vigenere square …   Справочник технического переводчика

• cryptology — cryptologist, n. cryptologic /krip tl oj ik/, cryptological, adj. /krip tol euh jee/, n. 1. cryptography. 2. the science and study of cryptanalysis and cryptography. [1635 45; < NL cryptologia. See CRYPTO , LOGY] * * * Introduction …   Universalium

• Substitution cipher — In cryptography, a substitution cipher is a method of encryption by which units of plaintext are replaced with ciphertext according to a regular system; the units may be single letters (the most common), pairs of letters, triplets of letters,… …   Wikipedia

• Index of coincidence — In cryptography, coincidence counting is the technique (invented by William F. Friedman[1]) of putting two texts side by side and counting the number of times that identical letters appear in the same position in both texts. This count, either as …   Wikipedia