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Fortuna is a cryptographically secure pseudorandom number generator (CS-PRNG) devised by Bruce Schneier and Niels Ferguson and published in 2003. It is named after Fortuna, the Roman goddess of chance. FreeBSD uses Fortuna for /dev/random and /dev/urandom is symbolically linked to it since FreeBSD 11. [1] Apple OSes have switched to Fortuna ...
A comprehensive list of various types of pseudorandom number generators (PRNGs) and their properties, applications and references. Compare different algorithms, such as Mersenne Twister, Xorshift, Blum Blum Shub and more.
A pseudorandom number generator (PRNG) is an algorithm that produces a sequence of numbers that resemble random numbers, but are completely determined by an initial value. Learn about the properties, applications, and potential issues of PRNGs, as well as the difference between PRNGs and cryptographically secure PRNGs (CSPRNGs).
A CSPRNG is a PRNG that is suitable for use in cryptography and resists reverse engineering and state compromise attacks. Learn about the background, requirements and designs of CSPRNGs, such as AES-CTR_DRBG and NIST SP 800-90A.
Xorshift is a class of fast and efficient PRNGs that use exclusive or and bit-shift operations. Learn about their history, variations, implementation, and statistical quality.
A keygen is a program that generates product keys for software activation. Learn about the legal and illegal uses of keygens, their features, authors, distribution and malware threats.
RNG stands for random number generator, a device or algorithm that produces a sequence of numbers or symbols that cannot be reasonably predicted. Learn about the methods, applications and types of RNG, such as true and pseudorandom numbers.
Lavarand, also known as the Wall of Entropy, was a hardware random number generator designed by Silicon Graphics that worked by taking pictures of the patterns made by the floating material in lava lamps, extracting random data from the pictures, and using the result to seed a pseudorandom number generator.