Pairwise pseudonymous identifier

{
  "id": "MLC-T-CYB-003032",
  "term": "Pairwise pseudonymous identifier",
  "field": "Cybersecurity",
  "term_source": "Pairwise Pseudonymous Identifier",
  "definition": "1. A pseudonymous identifier generated by an IdP for use at a specific RP.\n\n2. An opaque unguessable subscriber identifier generated by a CSP for use at a specific individual RP. This identifier is only known to and only used by one CSP-RP pair.",
  "abbreviation": "PPI",
  "references": [
    "NIST SP 800-63-4",
    "NIST SP 800-63-3 [Superseded]",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/pairwise-pseudonymous-identifier/"
}