Challenge-Handshake Authentication Protocol

nounid 1793·updated May 9, 2026

verified

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

The Challenge-Handshake Authentication Protocol uses a challenge/response authentication mechanism where the response varies every challenge to prevent replay attacks.

MWE

Attested in

dated observations, per pack version

No recorded attestations. They are written when an MWE tagging stage is completed, stamped with the pack version and the document’s digest.

Classifications

per-axis with provenance

Entity Type

Credential85%llm-generatedllm:claude-haiku-4-5

Sensitivity

—60%llm-generatedllm:claude-haiku-4-5

Information Class

—50%llm-generatedllm:claude-haiku-4-5

Variants

4 surface forms

acronym: CHAP
plural: Challenge-Handshake Authentication Protocols
possessive: Challenge-Handshake Authentication Protocol's
pluralpossessive: Challenge-Handshake Authentication Protocols'

Framework definitions

2 senses across 2 frameworks

SANS Glossary of Security Terms1 senseview framework →

§1: The Challenge-Handshake Authentication Protocol uses a challenge/response authentication mechanism where the response varies every challenge to prevent replay attacks.

Legacy lexicon import1 senseview framework →

§1 · legacy_primary: The Challenge-Handshake Authentication Protocol uses a challenge/response authentication mechanism where the response varies every challenge to prevent replay attacks.
DR-088 backfill from the noun definition column

Outgoing relationships

term as subject — 0 triples

No outgoing triples

This term is not the subject of any RDF-style relationship yet.

Incoming relationships

term as object — 0 triples

No incoming triples

No other term currently asserts a relationship to this one.