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Authentication Protocol

nounid 1600·updated Aug 30, 2026
verified· unreviewed

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.

polysemousMWE

Attested in

NIST SP 800-171 Rev 3 - Protecting CUI in Nonfederal Systems3 citations · 3 machine-matched · observed 2026-09-01 under anchor/0.9/36451/2026-09-01
03.01.16.d ¶ 103.05.02 ¶ 23.2.1 ¶ 16

Classifications

Entity Type

Process0%rule-basedmulti_axis_classifier_low_confidence.v1

Sensitivity

Regulated90%llm-generatedllm:claude-haiku-4-5

Information Class

80%llm-generatedllm:claude-haiku-4-5

Variants

plural
Authentication Protocols
possessive
Authentication Protocol's
pluralpossessive
Authentication Protocols'

Framework definitions

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.
NIST SP 800-171r31 senseview framework →
§1 · attested_usage_pack_match
No definition is given in NIST SP 800-171r3. The term is attested in use at 3 citations in that document; a definition is pending curation.
Increment 2: attested in 800-171r3 without a glossary definition.
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
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.
DR-088 backfill from the noun definition column

Outgoing relationships

No outgoing triples
This term is not the subject of any RDF-style relationship yet.

Incoming relationships

No incoming triples
No other term currently asserts a relationship to this one.