Randomness extraction

{
  "id": "MLC-T-CYB-003431",
  "term": "Randomness extraction",
  "field": "Cybersecurity",
  "definition": "1. The first step in the two-step key-derivation procedure specified in this Recommendation; during this step, a key-derivation key is produced from a shared secret.\n\n2. The first step in the key derivation procedure specified in this Recommendation, which produces a key derivation key from a shared secret.\n\n3. The first step in the two-step key-derivation procedure during which a key-derivation key is produced. The second step in the procedure is key expansion.",
  "references": [
    "NIST SP 800-56C Rev. 2",
    "NIST SP 800-56C [Superseded]",
    "NIST SP 800-133 Rev. 2",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/randomness-extraction/"
}