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stream cipher data diffusion

См. также в других словарях:

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

  • 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

  • Feistel cipher — In cryptography, a Feistel cipher is a symmetric structure used in the construction of block ciphers, named after the German IBM cryptographer Horst Feistel; it is also commonly known as a Feistel network. A large proportion of block ciphers use… …   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

  • Phelix — is a high speed stream cipher with a built in single pass message authentication code (MAC) functionality, submitted in 2004 to the eSTREAM contest by Doug Whiting, Bruce Schneier, Stefan Lucks, and Frédéric Muller. The cipher uses only the… …   Wikipedia

  • XXTEA — Corrected Block TEA (XXTEA) One round of XXTEA General Designers David Wheeler, Roger Needham First published October 1998 Derived from …   Wikipedia

  • 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

  • Advanced Encryption Standard — AES Der Substitutionschritt, einer von 4 Teilschritten pro Runde Entwickler Joan Daemen, Vincent Rijmen Veröffentlicht 1998, Zertifizierung Oktober 2000 Abgeleitet …   Deutsch Wikipedia

  • India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …   Universalium

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