Authentication Protocol

nouncandidate·updated May 12, 2026

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

A defined sequence of messages between a Claimant and a Verifier that demonstrates that the Claimant has possession and control of a valid token to establish his/her identity, and optionally, demonstrates to the Claimant that he or she is communicating with the intended Verifier.

Framework senses

4 senses across 3 frameworks

NISTIR 7298: Glossary of Key Information Security Terms, Revision 22 sensesview framework →

§1: A defined sequence of messages between a Claimant and a Verifier that demonstrates that the Claimant has possession and control of a valid token to establish his/her identity, and optionally, demonstrates to the Claimant that he or she is communicating with the intended Verifier.
§2 · sense_2_pending_review: A well-specified message exchange process between a claimant and a verifier that enables the verifier to confirm the claimant’s identity.

CNSSI-4009 (Glossary of Information Assurance Terms)1 senseview framework →

§1: A well-specified message exchange process between a claimant and a verifier that enables the verifier to confirm the claimant’s identity.

NIST SP 800-631 senseview framework →

§1: A defined sequence of messages between a Claimant and a Verifier that demonstrates that the Claimant has possession and control of a valid token to establish his/her identity, and optionally, demonstrates to the Claimant that he or she is communicating with the intended Verifier.