- message entropy
- энтропия сообщений
English-Russian cryptological dictionary . 2014.
message entropy
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Entropy (disambiguation) — Additional relevant articles may be found in the following categories: Thermodynamic entropy Entropy and information Quantum mechanical entropy Entropy, in thermodynamics, is a measure of the energy in a thermodynamic system not available to do… … Wikipedia
Entropy (general concept) — In many branches of science, entropy refers to a certain measure of the disorder of a system. Entropy is particularly notable as it has a broad, common definition that is shared across physics, mathematics and information science. Although the… … Wikipedia
entropy — [en′trə pē] n. [Ger entropie, arbitrary use (by R. J. E. Clausius, 1822 88, Ger physicist) of Gr entropē, a turning toward, as if < Ger en(ergie), ENERGY + Gr tropē, a turning: see TROPE] 1. a thermodynamic measure of the amount of energy… … English World dictionary
Entropy — This article is about entropy in thermodynamics. For entropy in information theory, see Entropy (information theory). For a comparison of entropy in information theory with entropy in thermodynamics, see Entropy in thermodynamics and information… … Wikipedia
Entropy (information theory) — In information theory, entropy is a measure of the uncertainty associated with a random variable. The term by itself in this context usually refers to the Shannon entropy, which quantifies, in the sense of an expected value, the information… … Wikipedia
Entropy in thermodynamics and information theory — There are close parallels between the mathematical expressions for the thermodynamic entropy, usually denoted by S , of a physical system in the statistical thermodynamics established by Ludwig Boltzmann and J. Willard Gibbs in the 1870s; and the … Wikipedia
Entropy (computing) — In computing, entropy is the randomness collected by an operating system or application for use in cryptography or other uses that require random data. This randomness is often collected from hardware sources, either pre existing ones such as… … Wikipedia
entropy — entropic /en troh pik, trop ik/, adj. entropically, adv. /en treuh pee/, n. 1. Thermodynam. a. (on a macroscopic scale) a function of thermodynamic variables, as temperature, pressure, or composition, that is a measure of the energy that is not… … Universalium
Entropy (anonymous data store) — Infobox Software name = Entropy caption = collapsible = author = developer = released = latest release version = latest release date = 2004 latest preview version = latest preview date = frequently updated = programming language = operating… … Wikipedia
Message Abstraction Layer — The Spacecraft Monitoring Control (SM C) Working Group of the Consultative Committee for Space Data Systems (CCSDS), which sees the active participation of 10 space agencies and of the Space Domain Task Force of the Object Management Group (OMG) … Wikipedia
entropy — [ ɛntrəpi] noun 1》 Physics a thermodynamic quantity representing the unavailability of a system s thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system. 2》 (in information… … English new terms dictionary
