ciphertext character

знак шифртекста

English-Russian cryptological dictionary . 2014.

Смотреть что такое "ciphertext character" 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

  • Running key cipher — In classical cryptography, the running key cipher is a type of polyalphabetic substitution cipher in which a text, typically from a book, is used to provide a very long keystream. Usually, the book to be used would be agreed ahead of time, while… …   Wikipedia

  • Hill cipher — Hill s cipher machine, from figure 4 of the patent In classical cryptography, the Hill cipher is a polygraphic substitution cipher based on linear algebra. Invented by Lester S. Hill in 1929, it was the first polygraphic cipher in which it was… …   Wikipedia

  • Bifid cipher — In classical cryptography, the bifid cipher is a cipher which combines the Polybius square with transposition, and uses fractionation to achieve diffusion. It was invented around 1901 by Felix Delastelle. Operation First, a mixed alphabet… …   Wikipedia

  • Trifid cipher — In classical cryptography, the trifid cipher is a cipher invented around 1901 by Felix Delastelle, which extends the concept of the bifid cipher to a third dimension, allowing each symbol to be fractionated into 3 elements instead of two. That is …   Wikipedia

  • Numerical cipher — In classical cryptography, the numerical chiper which combines the Polybius square with transposition, and uses fractionation to achieve diffusion. It was invented around 1904 by Albus Volger. Operation First, a mixed alphabet Polybius square is… …   Wikipedia

  • знак шифртекста — — [http://www.rfcmd.ru/glossword/1.8/index.php?a=index d=23] Тематики защита информации EN ciphertext character …   Справочник технического переводчика

  • One-time pad — Excerpt from a one time pad In cryptography, the one time pad (OTP) is a type of encryption, which has been proven to be impossible to crack if used correctly. Each bit or character from the plaintext is encrypted by a modular addition with a bit …   Wikipedia

  • Cryptanalysis of the Enigma — enabled the western Allies in World War II to read substantial amounts of secret Morse coded radio communications of the Axis powers that had been enciphered using Enigma machines. This yielded military intelligence which, along with that from… …   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

  • Unicity distance — is a term used in cryptography referring to the length of an original ciphertext needed to break the cipher by reducing the number of possible spurious keys to zero in a brute force attack. That is, after trying every possible key, there should… …   Wikipedia

Книги


Поделиться ссылкой на выделенное

Прямая ссылка:
Нажмите правой клавишей мыши и выберите «Копировать ссылку»

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.