verifier

{
  "id": "MLC-T-CYB-004561",
  "term": "verifier",
  "field": "Cybersecurity",
  "definition": "1. The entity that verifies the authenticity of a digital signature using the public key of the signatory.\n\n2. The entity that verifies the authenticity of a digital signature using the public key.\n\n3. An entity that confirms the claimant’s identity by verifying the claimant’s possession and control of one or more authenticators using an authentication protocol. To do this, the verifier needs to confirm the binding of the authenticators with the subscriber account and check that the subscriber account is active.\n\n4. An entity that verifies the claimant’s identity by verifying the claimant’s possession and control of a token using an authentication protocol. To do this, the Verifier may also need to validate credentials that link the token and identity and check their status.\n\n5. The Bluetooth device that validates the identity of the claimant during the Bluetooth connection process.\n\n6. An entity that verifies the claimant’s identity by verifying the claimant’s possession and control of one or two authenticators using an authentication protocol. To do this, the verifier may also need to validate credentials that link the authenticator(s) to the subscriber’s identifier and check their status.\n\n7. The party trying to assess the authenticity of an identity\n\n8. An entity that verifies the Claimant’s identity by verifying the Claimant’s possession and control of a token using an authentication protocol. To do this, the Verifier may also need to validate credentials that link the token and identity and check their status.",
  "references": [
    "FIPS 204",
    "FIPS 205 from FIPS 186-5; NIST SP 800-102; NIST SP 800-89; FIPS 186-5",
    "NIST SP 800-63-4; NIST SP 800-63A-4",
    "CNSSI 4009-2015 from NIST SP 800-63-2",
    "NIST SP 800-121 Rev. 2; NIST SP 800-121 Rev. 1 [Superseded]",
    "NIST SP 1800-17b; NIST SP 800-63-3 [Superseded]",
    "NISTIR 7682",
    "NIST SP 800-63-2 [Superseded]",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/verifier/"
}