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Computational indistinguishability information


In computational complexity and cryptography, two families of distributions are computationally indistinguishable if no efficient algorithm can tell the difference between them except with negligible probability.

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Computational indistinguishability

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In computational complexity and cryptography, two families of distributions are computationally indistinguishable if no efficient algorithm can tell the...

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Indistinguishability

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up indistinguishability in Wiktionary, the free dictionary. Indistinguishability may refer to: Identical (indistinguishable) particles Computational indistinguishability...

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Ciphertext indistinguishability

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Ciphertext indistinguishability is a property of many encryption schemes. Intuitively, if a cryptosystem possesses the property of indistinguishability, then...

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Indistinguishability obfuscation

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efficient indistinguishability obfuscator would be a best-possible obfuscator, and any best-possible obfuscator would be an indistinguishability obfuscator...

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Computational hardness assumption

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In computational complexity theory, a computational hardness assumption is the hypothesis that a particular problem cannot be solved efficiently (where...

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Cryptographically secure pseudorandom number generator

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k {\displaystyle p(k)>k} for any k), and if its output is computationally indistinguishable from true randomness, i.e. for any probabilistic polynomial...

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Algorithmic information theory

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constant – Halting probability of a random computer program Computational indistinguishability – In computer science, relationship between two families of...

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Security parameter

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respectively. Roughly speaking, the computational security parameter is a measure for the input size of the computational problem on which the cryptographic...

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Quantum cryptography

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Takeshi; Nishimura, Harumichi; Yamakami, Tomoyuki (2011). "Computational Indistinguishability Between Quantum States and its Cryptographic Application"...

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Amit Sahai

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Obfuscation. Sahai is a co-inventor of the first candidate general-purpose indistinguishability obfuscation schemes, with security based on a mathematical conjecture...

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Linear probing

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And cryptographic hash functions (which are designed to be computationally indistinguishable from truly random functions) are usually too slow to be used...

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List of important publications in cryptography

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a pure math problem. Second, it introduces the notion of computational indistinguishability. Goldreich, O.; Micali, S.; Wigderson, A. (July 1991). "Proofs...

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Kleptography

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attack, the outputs of the infected cryptosystem would be computationally indistinguishable from the outputs of the corresponding uninfected cryptosystem...

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Distribution ensemble

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Provable security Statistically close Pseudorandom ensemble Computational indistinguishability Goldreich, Oded (2001). Foundations of Cryptography: Volume...

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Pseudorandom function family

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{\displaystyle F_{n}} and R F n {\displaystyle RF_{n}} are computationally indistinguishable, where n is the security parameter. That is, for any adversary...

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Polygon triangulation

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In computational geometry, polygon triangulation is the partition of a polygonal area (simple polygon) P into a set of triangles, i.e., finding a set...

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Commitment scheme

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U_{k})\}_{k\in \mathbb {N} }} are equal, statistically close, or computationally indistinguishable. It is impossible to realize commitment schemes in the universal...

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Randomness extractor

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statistically close to uniform, in a PRG it is only required to be computationally indistinguishable from uniform, a somewhat weaker concept. NIST Special Publication...

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Boson sampling

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S2CID 195791867. Nikolopoulos, Georgios M (2022-11-29). "Computational indistinguishability and boson sampling*". Physica Scripta. 98 (1): 014001. arXiv:2211...

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No free lunch in search and optimization

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In computational complexity and optimization the no free lunch theorem is a result that states that for certain types of mathematical problems, the computational...

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Concrete security

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some notions of concrete security (left-or-right indistinguishability, real-or-random indistinguishability, find-then-guess security, and semantic-security)...

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Computing Machinery and Intelligence

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Harnad, Stevan (2001), "Minds, Machines, and Turing: The Indistinguishability of Indistinguishables", Journal of Logic, Language and Information, 9 (4): 425–445...

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P versus NP problem

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would lack the practical computational benefits of a proof that P = NP, but would represent a great advance in computational complexity theory and guide...

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Artificial intelligence

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networks for all of these types of learning. Computational learning theory can assess learners by computational complexity, by sample complexity (how much...

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