To get an entropy source approved under FIPS 140-3 there are two options: ENT (P) or ENT (NP) entry on the FIPS module validation certificate (until October 1st, 2022) ESV certificate awarded by NIST’s Entropy Source Validation Testing (ESVT) This …
Gathering Raw Unconditioned Entropy in a Live Linux System
As part of our continued product development efforts supporting assurance modernization, the Lightship team sometimes develop useful experimental tools or proofs of concepts. A while ago we developed a proof of concept to extract raw unconditioned entropy from a live …
Quantitative Analysis of Entropy
[Jan 12, 2018 update: With the final release of NIST SP 800-90B, we’ve updated this post to reflect the new published status of this NIST SP as well as to correct any differences between rev2 and the final publication.] …
Code for NIST Entropy Health Testing
[Jan 12, 2018 update: With the final release of NIST SP 800-90B, we’ve updated the sample health test code to match the minor changes between rev2 and the final version. The narrative of this post with respect to requirements for …
