fixed-length block

fixed-length block
блок (данных) фиксированной длины

Англо-русский словарь технических терминов. 2005.

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  • 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

  • Block code — In computer science, a block code is a type of channel coding. It adds redundancy to a message so that, at the receiver, one can decode with minimal (theoretically zero) errors, provided that the information rate (amount of transported… …   Wikipedia

  • Fixed-point arithmetic — In computing, a fixed point number representation is a real data type for a number that has a fixed number of digits after (and sometimes also before) the radix point ( e.g. , after the decimal point . in English decimal notation). Fixed point… …   Wikipedia

  • Block size (cryptography) — In modern cryptography, symmetric key ciphers are generally divided into stream ciphers and block ciphers. Block ciphers operate on a fixed length string of bits. The length of this bit string is the block size. Both the input (plaintext) and… …   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 and tackle — A block and tackle [ Tackle can be pronEng|ˈteɪkəl in this usage.] is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift or pull heavy loads. TOC Overview Although used in many situations, they are… …   Wikipedia

  • Block (data storage) — In computing (specifically data transmission and data storage), block is a sequence of bytes or bits, having a nominal length (a block size ). Data thus structured is said to be blocked . The process of putting data into blocks is called blocking …   Wikipedia

  • Low-noise block converter — A low noise block converter (LNB, for low noise block, or sometimes LNC, for low noise converter) is the (receiving, or downlink) antenna of what is commonly called the parabolic (actually paraboloid) satellite dish commonly used for satellite TV …   Wikipedia

  • Portsmouth Block Mills — The Portsmouth Block Mills form part of the Portsmouth Dockyard at Portsmouth, Hampshire, England, and were built during the Napoleonic Wars to supply the British Royal Navy with pulley blocks. They started the age of mass production using all… …   Wikipedia

  • Dead block — Dead Dead (d[e^]d), a. [OE. ded, dead, deed, AS. de[ a]d; akin to OS. d[=o]d, D. dood, G. todt, tot, Icel. dau[eth]r, Sw. & Dan. d[ o]d, Goth. daubs; prop. p. p. of an old verb meaning to die. See {Die}, and cf. {Death}.] 1. Deprived of life;… …   The Collaborative International Dictionary of English

  • Files-11 — Files 11, also known as on disk structure, is the file system used by Hewlett Packard s OpenVMS operating system, and also (in a simpler form) by the older RSX 11. It is a hierarchical file system, with support for access control lists, record… …   Wikipedia


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