Tuesday, October 15, 2019

Stephan Mueller publishes SP800-90B compliant Linux implementation of CPU Jitter RNG

NIST’s Special Publication 800-90B “Recommendation for the Entropy Sources Used for Random Bit Generation” (SP800-90B) lays out the testing requirements for random bit generators. According to Implementation Guidance 7.18, compliance to SP800-90B will be mandatory for FIPS 140-2 validations starting November 8th 2020.

Our colleague Stephan Mueller recently published an updated, SP800-90B compliant version of his Jitter RNG suite for Linux to give our customers a head-start to achieve compliance before the transition date. While the SP800-90B compliance of the Jitter RNG was reviewed by NIST, official approval is only given when the Jitter RNG is used as part of an actual FIPS 140-2 validation.

In his documentation (Section 7.4) he explains the steps a user has to follow to claim SP800-90B compliance using the Jitter RNG, thus removing the need for them to prepare their own SP800-90B analysis.

Stephan Mueller made the Jitter RNG suite available for the public:

The code for the CPU Jitter RNG can be downloaded here:

The documentation can be downloaded here:

The associated tests can be downloaded here:

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