resistant cipher

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• Cipher Pol — (サイファーポール, Saifā Pōru?) est un organisme de fiction du manga One Piece. Le terme vient de cipher, qui signifie chiffre et de pol, qui est une abréviation de police. Cipher Pol est une branche du gouvernement chargée de l espionnage et des… …   Wikipédia en Français

• Product cipher — In cryptography, a product cipher is a popular type of block cipher that works by executing in sequence a number of simple transformations such as substitution, permutation, and modular arithmetic. Product ciphers usually consist of iterations of …   Wikipedia

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

• Cryptographic hash function — A cryptographic hash function (specifically, SHA 1) at work. Note that even small changes in the source input (here in the word over ) drastically change the resulting output, by the so called avalanche effect. A cryptographic hash function is a… …   Wikipedia

• Cryptography — Secret code redirects here. For the Aya Kamiki album, see Secret Code. Symmetric key cryptography, where the same key is used both for encryption and decryption …   Wikipedia

• Differential cryptanalysis — is a general form of cryptanalysis applicable primarily to block ciphers, but also to stream ciphers and cryptographic hash functions. In the broadest sense, it is the study of how differences in an input can affect the resultant difference at… …   Wikipedia

• crypt (Unix) — In Unix computing, crypt is the name of both a utility program and a C programming function. Though both are used for encrypting data, they are otherwise essentially unrelated. To distinguish between the two, writers often refer to the utility… …   Wikipedia

• One-way compression function — In cryptography, a one way compression function is a function that transforms two fixed length inputs to an output of the same size as one of the inputs. The transformation is one way , meaning that it is difficult given a particular output to… …   Wikipedia

• Cryptanalysis — Close up of the rotors in a Fialka cipher machine Cryptanalysis (from the Greek kryptós, hidden , and analýein, to loosen or to untie ) is the study of methods for obtaining the meaning of encrypted information, without access to the secret… …   Wikipedia

• VEST — High Level Structure of VEST General Designers Sean O Neil First published June 13, 2005 Cipher deta …   Wikipedia

• Merkle–Damgård construction — In cryptography, the Merkle–Damgård construction or Merkle–Damgård hash function is a method to build collision resistant cryptographic hash functions from collision resistant one way compression functions.[1]:145 This construction was used in… …   Wikipedia