mixed cipher alphabets


mixed cipher alphabets
смешанные шифралфавиты

English-Russian cryptological dictionary . 2014.

Смотреть что такое "mixed cipher alphabets" в других словарях:

  • 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

  • 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

  • Alberti cipher disk — The Alberti cipher disk, also called formula, is a cipher disc which was described by Leon Battista Alberti in his treatise De Cifris of 1467. The device embodies the first example of polyalphabetic substitution with mixed alphabets and variable… …   Wikipedia

  • Alberti cipher — The Alberti Cipher was one of the first polyalphabetic ciphers. Leon Battista Alberti Created in the 15th century (1466/67) by Leon Battista Alberti, it was the peak of cryptography at that time.Its inventor was Leon Battista Alberti, an… …   Wikipedia

  • Two-square cipher — The Two square cipher is a manual symmetric encryption technique. It was developed to ease the cumbersome nature of the large encryption/decryption matrix used in the four square cipher while still being slightly stronger than the Playfair cipher …   Wikipedia

  • Four-square cipher — The Four square cipher is a manual symmetric encryption technique. It was invented by famous French cryptographer Felix Delastelle.The technique encrypts pairs of letters ( digraphs ), and thus falls into a category of ciphers known as… …   Wikipedia

  • восстановление смешанных алфавитов — — [[http://www.rfcmd.ru/glossword/1.8/index.php?a=index d=23]] Тематики защита информации EN mixed cipher alphabets recovery …   Справочник технического переводчика

  • смешанные шифралфавиты — — [[http://www.rfcmd.ru/glossword/1.8/index.php?a=index d=23]] Тематики защита информации EN mixed cipher alphabets …   Справочник технического переводчика

  • Giovan Battista Bellaso — (Brescia 1505–...) was an Italian cryptologist.BiographyBellaso was born of a distinguished family in 1505. His father was Piervincenzo, a patrician of Brescia, owner since the 15th century of a house in town and a suburban estate in Capriano, in …   Wikipedia

  • Japanese cryptology from the 1500s to Meiji — The cipher system that Uesugi used is basically a simple substitution usually known as a Polybius square or “checkerboard.” The i ro ha alphabet contains forty eight letters, so a seven by seven square is used, with one of the cells left blank.… …   Wikipedia

  • calligraphy — calligrapher, calligraphist, n. calligraphic /kal i graf ik/, calligraphical, adj. calligraphically, adv. /keuh lig reuh fee/, n. 1. fancy penmanship, esp. highly decorative handwriting, as with a great many flourishes: She appreciated the… …   Universalium


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