29 lines
1.5 KiB
Markdown
29 lines
1.5 KiB
Markdown
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Title: onod 3000
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Date: 2025-01-18 23:00
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Category: code
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Slug: onod3000
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Summary: Rust port of the ent 3000 randomness testing suite for TRNG Makers.
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Rust port of Paul Uszak's new randomness testing suite for TRNG Makers generating in the sub 1 MB space. Successor to John Walker’s venerable *ent*.
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*Onod3000* provides multiple randomness tests, each outputting a statistic, a z-score andd a p-value to assess the conformity of the data to random behavior.
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## Testing Methodology
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All tests have been carefully ported from [Paul Uszak's Java code](http://www.reallyreallyrandom.com/gitbucketlabhub/) (ent3000-0.6.0-beta). Java libraries were substituted with Rust crate equivalents when possible. The suite includes the following tests:
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- **Monobit Test**: Evaluates the balance of 0s and 1s.
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- **Chi-Square Tests**: Tests the uniformity of bits and bytes.
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- **MeanByte Test**: Checks if the mean byte value aligns with expected randomness.
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- **Kolmogorov-Smirnov (KS) Test**: Assesses uniformity of data distribution.
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- **Pi Test**: Uses Monte Carlo methods to approximate π.
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- **Shells Test**: Analyzes distances in 3D space.
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- **Gaps Test**: Measures gaps between occurrences of a specific value.
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- **Avalanche Test**: Analyzes bit-level changes in data chunks.
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- **Runs and RunUps Tests**: Checks for sequential patterns in data.
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- **Prediction Test**: Assesses the predictability of next bits.
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- **UnCorrelation Test**: Evaluates correlation between shifted data.
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## Repository
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* [onod3000](https://codeberg.org/randogoth/onod3000)
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