If you sell entropy, it maybe worth having something like 
be part of your pre-release assessment? Seems like not the hardest thing given the stakes
GitHub
GitHub - usnistgov/SP800-90B_EntropyAssessment: The SP800-90B_EntropyAssessment C++package implements the min-entropy assessment methods included in Special Publication 800-90B.
The SP800-90B_EntropyAssessment C++package implements the min-entropy assessment methods included in Special Publication 800-90B. - usnistgov/SP800...
