Entropy-supplying system calls are system calls in Unix-like operating system kernels through which processes can obtain entropic or random data. The...
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/dev/random (category Unix file system technology)
programs. CryptGenRandom – The Microsoft Windows API's CSPRNG /dev Entropy-supplying system calls Fortuna algorithm Hardware random number generator Standard...
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as well as setting additional seed bytes to CryptGenRandom. Entropy-supplying system calls – the approximate equivalent of CryptGenRandom in OpenBSD and...
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in telecommunication. Entropy is central to the second law of thermodynamics, which states that the entropy of an isolated system left to spontaneous evolution...
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relationship between entropy generation and the robustness of biological systems. The Hopf decomposition states that dynamical systems can be decomposed...
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Thermodynamics (section System models)
deals with heat, work, and temperature, and their relation to energy, entropy, and the physical properties of matter and radiation. The behavior of these...
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Research concerning the relationship between the thermodynamic quantity entropy and both the origin and evolution of life began around the turn of the...
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Second law of thermodynamics (redirect from Law of Entropy)
law of thermodynamics establishes the concept of entropy as a physical property of a thermodynamic system. It predicts whether processes are forbidden despite...
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physical quantities, such as temperature, energy, and entropy, that characterize thermodynamic systems in thermodynamic equilibrium. The laws also use various...
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Enthalpy (section Open systems)
the volume. The enthalpy of a closed homogeneous system is its energy function H(S, p), with its entropy S[p] and its pressure p as natural state variables...
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In thermodynamics, the entropy of mixing is the increase in the total entropy when several initially separate systems of different composition, each in...
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Entropy production (or generation) is the amount of entropy which is produced during heat process to evaluate the efficiency of the process. Entropy is...
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Isothermal process (section Entropy changes)
system. In the reversible case, the change in entropy of the surroundings is equal and opposite to the change in the system, so the change in entropy...
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as they do not change the volume of the system, though they change the temperature or entropy of the system. Work without change of volume is known as...
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occurring true entropy are said to be blocking – they are rate-limited until enough entropy is harvested to meet the demand. On some Unix-like systems, including...
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whence called the thermodynamic temperature. If internal energy is considered as a function of the volume and entropy of a homogeneous system in thermodynamic...
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Fortuna (PRNG) (section Entropy accumulator)
of the entropy accumulator. Yarrow required each source of entropy to be accompanied by a mechanism for estimating the actual entropy supplied, and used...
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Heat (section Heat and entropy)
to define the entropy symbolized by S, such that, due to the supply of the amount of heat Q at temperature T the entropy of the system is increased by...
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Adiabatic process (category Entropy)
gas is reduced, and seemingly would reduce the entropy of the system, but the temperature of the system will rise as the process is isentropic (ΔS = 0)...
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that a thermodynamic system traces in state space as it goes from one equilibrium state to another is that of entropy. The entropy is first viewed as an...
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Address space layout randomization (category Operating system security)
space) In many systems, 2 N {\displaystyle 2^{N}} can be in the thousands or millions. On 32-bit systems, a typical amount of entropy N is 8 bits. For...
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of entropy absorbed in step 1. The entropy decreases in isothermal compression since the multiplicity of the system decreases with the volume.) In terms...
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Quantum entanglement (section Entropy)
Neumann entropy of the whole state is zero (as it is for any pure state), the entropy of the subsystems is greater than zero. In this sense, the systems are...
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theorem). Where entropy production may be calculated as the net increase in entropy of the system together with its surroundings. Entropy production is...
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increases. The entropy is included in any change of the Gibbs free energy. This differs from an endothermic reaction where the entropy is not included...
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Max Planck (section Entropy)
intensively with the new concept of entropy and emphasized that entropy is not only a property of a physical system, but at the same time a measure of...
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heat source and the working fluid and therefore reducing the amount of entropy generated by irreversibility. Rankine engines generally operate in a closed...
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Entropy (energy dispersal) and Introduction to entropy List of energy topics Market transformation World energy consumption Worldwide energy supply Clean...
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Joule expansion (section Entropy production)
thermodynamic quantities, including the resulting increase in entropy of the universe (entropy production) that results from this inherently irreversible...
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Energy (section Closed systems)
to energy, called entropy. Entropy is a measure of evenness of a distribution of energy between parts of a system. When an isolated system is given more...
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