X.509 certificate

{
  "id": "MLC-T-CYB-004664",
  "term": "X.509 certificate",
  "field": "Cybersecurity",
  "definition": "1. The X.509 public-key certificate or the X.509 attribute certificate, as defined by the ISO/ITU-T X.509 standard. Most commonly (including in this document), an X.509 certificate refers to the X.509 public-key certificate.\n\n2. The X.509 public-key certificate or the X.509 attribute certificate, as defined by the ISO/ITU-T[9] X.509 standard. Most commonly (including in this document), an X.509 certificate refers to the X.509 public-key certificate.\n\n3. Public key certificates that contain three nested elements: 1) the tamper-evident envelope (digitally signed by the source), 2) the basic certificate content (e.g., identifying information and public key), and 3) extensions that contain optional certificate information.",
  "references": [
    "NIST SP 800-57 Part 1 Rev. 4 [Superseded]; NIST SP 800-57 Part 1 Rev. 5; NIST SP 800-57 Part 1 Rev. 3 [Superseded]",
    "NIST SP 800-57 Part 2 Rev.1",
    "NIST SP 800-57 Part 2 [Superseded]",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/x-509-certificate/"
}