cryptographically random

cryptographically random
криптографически случайный (псевдослучайная последовательность называется криптографически случайной, если ее следующий элемент вычислительно невозможно предсказать, даже зная алгоритм генерации этой посчедоватыьности и все ее предшествующие элементы)

English-Russian cryptological dictionary . 2014.

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Смотреть что такое "cryptographically random" в других словарях:

  • Random self-reducibility — (RSR): A good algorithm for the average case implies a good algorithm for the worst case. RSR is the ability to solve all instances of a problem by solving a large fraction of the instances.DefinitionIf a function f evaluating any instance x can… …   Wikipedia

  • Cryptographically secure pseudorandom number generator — A cryptographically secure pseudo random number generator (CSPRNG) is a pseudo random number generator (PRNG) with properties that make it suitable for use in cryptography. Many aspects of cryptography require random numbers, for example: Key… …   Wikipedia

  • Random number generation — A random number generator (often abbreviated as RNG) is a computational or physical device designed to generate a sequence of numbers or symbols that lack any pattern, i.e. appear random. Computer based systems for random number generation are… …   Wikipedia

  • Cryptographically strong — This term cryptographically strong is often used to describe an encryption algorithm, and implies, in comparison to some other algorithm (which is thus cryptographically weak), greater resistance to attack. But it can also be used to describe… …   Wikipedia

  • Random number generator attack — The security of cryptographic systems depends on some secret data that is known to authorized persons but unknown and unpredictable to others. To achieve this unpredictability, some randomization is typically employed. Modern cryptographic… …   Wikipedia

  • Random password generator — A random password generator is software program or hardware device that takes input from a random or pseudo random number generator and automatically generates a password. Random passwords can be generated manually, using simple sources of… …   Wikipedia

  • /dev/random — In Unix like operating systems, /dev/random is a special file that serves as a random number generator or as a pseudorandom number generator. It allows access to environmental noise collected from device drivers and other sources.[citation… …   Wikipedia

  • Hardware random number generator — This SSL Accelerator computer card uses a hardware random number generator to generate cryptographic keys to encrypt data sent over computer networks. In computing, a hardware random number generator is an apparatus that generates random numbers… …   Wikipedia

  • Pseudorandom number generator — A pseudorandom number generator (PRNG), also known as a deterministic random bit generator (DRBG),[1] is an algorithm for generating a sequence of numbers that approximates the properties of random numbers. The sequence is not truly random in… …   Wikipedia

  • CryptGenRandom — is a cryptographically secure pseudorandom number generator function that is included in Microsoft s Cryptographic Application Programming Interface. In Win32 programs, Microsoft recommends its use anywhere random number generation is needed. A… …   Wikipedia

  • One-time pad — Excerpt from a one time pad In cryptography, the one time pad (OTP) is a type of encryption, which has been proven to be impossible to crack if used correctly. Each bit or character from the plaintext is encrypted by a modular addition with a bit …   Wikipedia


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