Module analysis 

Comprehensive entropy source analysis beyond NIST min-entropy.

This module provides research-oriented metrics for characterizing entropy sources: autocorrelation profiles, spectral analysis, bit bias, distribution statistics, stationarity, runs analysis, and entropy scaling.

Structs

AutocorrResult

Autocorrelation profile across multiple lags.

BitBiasResult

Per-bit-position bias analysis.

CrossCorrMatrix

Cross-correlation matrix result.

CrossCorrPair

Cross-correlation between two sources.

DistributionResult

Distribution statistics.

EntropyPoint

Entropy at a specific sample size.

LagCorrelation

Autocorrelation at a single lag.

RunsResult

Runs analysis result.

ScalingResult

Entropy scaling across sample sizes.

SourceAnalysis

Full per-source analysis.

SpectralBin

Single spectral bin.

SpectralResult

FFT-based spectral analysis result.

StationarityResult

Stationarity test result.

ThroughputPoint

ThroughputResult

Throughput measurement.

Functions

autocorrelation_profile

Compute autocorrelation profile for lags 1..max_lag.

bit_bias

Analyze per-bit-position bias.

cross_correlation_matrix

Compute cross-correlation matrix between multiple sources.

distribution_stats

Compute distribution statistics.

full_analysis

Run all per-source analysis on raw byte data.

runs_analysis

Analyze runs of consecutive identical byte values.

spectral_analysis

Compute spectral analysis via DFT (no external FFT crate).

stationarity_test

Test stationarity by comparing window means (ANOVA-like).