
ILT-U-3946
Processing Function Assessment PT Scheme (PFAS). Cryptographic Conditioning Assessment (NIST SP 800-90B / NIST SP 800-22)
DETERMINATION / MEASURED PARAMETER | METHOD / STANDARD REFERENCE |
| Cryptographic conditioning-function assessment | NIST SP 800-90B, Section 3.1.5 — Conditioning Components |
| Evaluation of entropy preservation after cryptographic conditioning | NIST SP 800-90B, Section 3.1.5 |
| Assessment of entropy extraction behavior | NIST SP 800-90B — Conditioning-function interpretation principles |
| Detection of residual statistical bias | NIST SP 800-22 — Frequency (Monobit) Test |
| Detection of residual runs anomalies | NIST SP 800-22 — Runs Test |
| Detection of residual serial dependencies | NIST SP 800-22 — Serial Test |
| Detection of residual repetitive structures | NIST SP 800-22 — Approximate Entropy Test |
| Spectral characterization of conditioned output | NIST SP 800-22 — Discrete Fourier Transform (Spectral) Test |
| Statistical characterization of conditioned entropy output | NIST SP 800-22 statistical tests (supporting analysis) |
| Detection of observable deterministic behavior | NIST SP 800-22 supporting statistical analyses |
| Min-entropy estimation of conditioned output | NIST SP 800-90B, Sections 5 and 6 (as applicable to observed behavior) |
| Evaluation of remaining observable anomalies | NIST SP 800-22 supporting statistical analyses |
| Technical interpretation of cryptographic conditioning behavior | NIST SP 800-90B, Sections 3, 5, and 6 |
| Assessment of conditioning effectiveness and entropy quality | NIST SP 800-90B — General entropy-source validation principles |
| Final suitability assessment of conditioned output | NIST SP 800-90B — General entropy-source validation principles |

