NIST SP 800-90B ("SP" stands for "special publication") is a publication by the National Institute of Standards and Technology with the title Recommendation for the Entropy Sources Used for Random Bit Generation. The publication specifies the design principles and requirements for the entropy sources used by allegedly cryptographically secure pseudorandom number generators for use in cryptography, and the tests for the validation of entropy sources.
NIST SP 800-90B ("SP" stands for "special publication") is a publication by the National Institute of Standards and Technology with the title Recommendation for the Entropy Sources Used for Random Bit Generation. The publication specifies the design principles and requirements for the entropy sources used by allegedly cryptographically secure pseudorandom number generators for use in cryptography, and the tests for the validation of entropy sources.
Source: Wikipedia "NIST SP 800-90B" · CC BY-SA 4.0
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