cryptographic permutation

См. также в других словарях:

• Permutation box — In cryptography, a permutation box (or P box) is a method of bit shuffling used to permute or transpose bits across S boxes inputs, retaining diffusion while transposing.[1] In block ciphers, the S boxes and P Boxes are used to make the relation… …   Wikipedia

• Cryptanalysis of TIA's Common Cryptographic Algorithms — In 1992, the TR 45 working group within the Telecommunications Industry Association (TIA) developed a standard for integration of cryptographic technology into tomorrow s digital cellular systems [TIA92] , which has been updated at least once… …   Wikipedia

• Variably Modified Permutation Composition — VMPC ( Variably Modified Permutation Composition ) is encryption technology designed by Bartosz Zoltak, publicly presented in 2004 at an international cryptography conference Fast Software Encryption in Delhi, India.The core of the technology is… …   Wikipedia

• Variably modified permutation composition — (VMPC) is an encryption technology designed by Bartosz Zoltak, publicly presented in 2004 at an international cryptography conference for Fast Software Encryption in Delhi, India.The core of the technology is the VMPC one way function, which is… …   Wikipedia

• Digital signature — This article is about secure cryptographic signatures. For simple signatures in digital form, see Electronic signature. A digital signature or digital signature scheme is a mathematical scheme for demonstrating the authenticity of a digital… …   Wikipedia

• Блочный шифр — Общая схема работы блочного шифра Блочный шифр  разновидность симметричного шифра …   Википедия

• Block cipher — In cryptography, a block cipher is a symmetric key cipher operating on fixed length groups of bits, called blocks, with an unvarying transformation. A block cipher encryption algorithm might take (for example) a 128 bit block of plaintext as… …   Wikipedia

• Data Encryption Standard — The Feistel function (F function) of DES General Designers IBM First publis …   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

• 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

• Commitment scheme — In cryptography, a commitment scheme allows one to commit to a value while keeping it hidden, with the ability to reveal the committed value later. Commitments are used to bind a party to a value so that they cannot adapt to other messages in… …   Wikipedia