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randomness-extraction

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r0ck069 / crosscheck

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Quarto strumento della stessa serie (EntropyPipeline / entropy-extractor / entropy-extractor-raw-2photo), con uno scopo diverso dagli altri tre: non estrae entropia, la cerca di smentire. Verifica l'eventuale presenza di pattern anche se le sorgenti arrivano da fonti diverse.

security-audit entropy csprng randomness hypothesis-testing false-discovery-rate criptography random-number-generator security-tools chi-square-test permutation-test min-entropy statistical-testing true-random-number-generator randomness-extraction entropy-extraction
  • Updated Sep 14, 2026
  • HTML

r0ck069 / entropy-extractor

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Strumento standalone, a singolo file HTML per estrarre entropia crittografica da una sorgente grezza unica (dump audio RAW/PCM, video, dump di un TRNG hardware, csv), analizzandola in 4 finestre (Primaria / Mediana / Terminale / Spettro Totale) e selezionando automaticamente quella migliore e statisticamente indipendente.

cryptography sha256 javascript-applications min-entropy randomness-extraction sha256-hashing cryptography-education nist-sp800-22 nist-sp800-90b toeplitz-hashing leftover-hash-lemma peres-extractor
  • Updated Sep 14, 2026
  • HTML

r0ck069 / EntropyPipeline

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Strumento didattico standalone, offline, senza dipendenze esterne per sperimentare un pipeline completo di entropy conditioning: raccolta di bit grezzi → stima di min-entropia (in stile NIST SP 800-90B) → estrazione del bias (Peres/von Neumann Extractor) → hashing universale (Toeplitz, GF(2), con bound del Leftover Hash Lemma) → output finale

cryptography entropy educational keccak sha256 cryptography-algorithms shake256 cryptography-tools educational-project entropy-bits min-entropy cryptography-concepts keccak256 randomness-extraction cryptography-education nist-sp800-22 nist-sp800-90b toeplitz-hashing leftover-hash-lemma peres-extractor
  • Updated Sep 14, 2026
  • HTML

systemslibrarian / crypto-lab-quantum-entropy

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Browser-based QRNG demo — NIST SP 800-90B. Min-entropy is what an optimal guesser faces; Shannon is the marketing number. Slide the detector bias and watch them diverge. Von Neumann fixes bias but not correlation — feed it a correlated stream and watch it output garbage while claiming success. Real Toeplitz extraction over GF(2). No backends.

cryptography entropy min-entropy qrng crypto-lab quantum-random-number-generator randomness-extraction nist-sp-800-90b toeplitz-hashing leftover-hash-lemma
  • Updated Sep 10, 2026
  • TypeScript

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