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cryptographic block

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См. также в других словарях:

  • Cryptographic primitive — Cryptographic primitives are well established, low level cryptographic algorithms that are frequently used to build computer security systems. These routines include, but are not limited to, one way hash functions and encryption functions.… …   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

  • 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

  • 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

  • Cryptographic Message Syntax — The Cryptographic Message Syntax (CMS) is the IETF s standard for cryptographically protected messages. It can be used to digitally sign, digest, authenticate or encrypt any form of digital data. CMS is based on the syntax of PKCS#7, which in… …   Wikipedia

  • Comparison of cryptographic hash functions — The following tables compare general and technical information for a number of cryptographic hash functions.[1] Contents 1 General information 1.1 Notes 2 Compression function …   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

  • Media Key Block — La Media Key Block (MKB) est une clé faisant partie du système de protection anti copie (DRM) AACS. Ce système est utilisé pour protéger le contenu des formats Blu ray et HD DVD et a été développé par de grandes entreprises aussi bien de… …   Wikipédia en Français

  • Media Key Block — The Media Key Block (MKB) is one of the keys that are included inside the copying protection system (DRM) AACS. This system is used to protect Blu ray and HD DVD formats from being copied. The system has been developed by big companies from the… …   Wikipedia

  • Controlled Cryptographic Item — A Controlled Cryptographic Item (CCI) is a U.S. National Security Agency term for secure telecommunications or information handling equipment, associated cryptographic component or other hardware item which performs a critical COMSEC… …   Wikipedia

  • Signature block — For the use of signatures in Wikipedia, see Wikipedia:Signatures. A signature block (often abbreviated as signature, sig block, sig file, .sig, dot sig, siggy, or just sig) is a block of text automatically appended at the bottom of an e mail… …   Wikipedia

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