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DRBG mechanism

Definitions:

  The portion of an RBG that includes the functions necessary to instantiate and uninstantiate the RBG, generate pseudorandom bits, (optionally) reseed the RBG and test the health of the the DRBG mechanism.
Sources:
NIST SP 800-90A Rev. 1 under DRBG Mechanism

  The portion of an RBG that includes the functions necessary to instantiate and uninstantiate the RBG, generate pseudorandom bits, (optionally) reseed the RBG and test the health of the DRBG mechanism. Approved DRBG mechanisms are specified in SP 800-90A.
Sources:
NIST SP 800-90B