Registration authority

nounverified·updated May 9, 2026

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

A trusted entity that establishes and vouches for the identity of a Subscriber to a CSP. The RA may be an integral part of a CSP, or it may be independent of a CSP, but it has a relationship to the CSP(s).

polysemousMWENISTIR 7298: Glossary of Key Information Security Terms, Revision 2

Senses

2 more senses beyond the canonical

ISACA Cybersecurity Glossary

The individual institution that validates an entity's proof of identity and ownership of a key pair

NISTIR 7298: Glossary of Key Information Security Terms, Revision 2sense 2 pending review

Organization responsible for assignment of unique identifiers to registered objects.

Classifications

per-axis with provenance

Entity Type

Organization85%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Sensitivity

Regulated80%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Information Class

Pii75%llm-generatedllm:claude-haiku-4-5

?unassignedlast reviewed —

Variants

4 surface forms

acronym: RA
plural: Registration authorities
possessive: Registration authority's
pluralpossessive: Registration authorities'

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