- double-key cipher
- noun
Useful english dictionary. 2012.
Useful english dictionary. 2012.
double substitution — noun : double key cipher … Useful english dictionary
Double Agent (Joe 90) — Double Agent Joe 90 episode Episode no. Season 1 Episode 16 Directed by Ken Turner Written by … Wikipedia
Double DES — Résumé Concepteur(s) Inconnu Première publication Aucunne Dérivé de DES Chiffrement(s) basé(s) sur cet algorithme Aucun Caractéristiques Taille(s) du bloc … Wikipédia en Français
Double Agent (Joe 90 episode) — Infobox Television episode Title = Double Agent Series = Joe 90 Season = 1 Episode = 16 Airdate = January 12, 1969 Production = 12 Writer = Tony Barwick Director = Ken Turner Episode list = List of Joe 90 episodes Prev = Arctic Adventure Next =… … Wikipedia
Cipher Block Chaining — Mode d opération (cryptographie) En cryptographie, un mode d opération est la manière de traiter les blocs de texte clairs et chiffrés au sein d un algorithme de chiffrement par bloc. Chacun des modes possède ses propres atouts. Plusieurs modes… … Wikipédia en Français
Transposition cipher — In cryptography, a transposition cipher is a method of encryption by which the positions held by units of plaintext (which are commonly characters or groups of characters) are shifted according to a regular system, so that the ciphertext… … Wikipedia
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
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
Playfair cipher — The Playfair cipher or Playfair square is a manual symmetric encryption technique and was the first literal digraph substitution cipher. The scheme was invented in 1854 by Charles Wheatstone, but bears the name of Lord Playfair who promoted the… … Wikipedia
Block cipher modes of operation — This article is about cryptography. For method of operating , see modus operandi. In cryptography, modes of operation is the procedure of enabling the repeated and secure use of a block cipher under a single key.[1][2] A block cipher by itself… … Wikipedia