How to use NIST SP 800-22 to check randomness of 128 bits output in AES?

• SP800-90B_EntropyAssessment

  4 189 5.4 C++

  The SP800-90B_EntropyAssessment C++package implements the min-entropy assessment methods included in Special Publication 800-90B.

  

Please don't use SP 800-22, it's not a good test for randomness (see https://eprint.iacr.org/2022/169.pdf). Maybe try using the SP 800-90B entropy tool: https://github.com/usnistgov/SP800-90B_EntropyAssessment. It was developed to measure randomness in entropy sources, but you could probably adapt it to your AES output.

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