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Root Certification Authority

nouncandidate·updated May 9, 2026

In a hierarchical Public Key Infrastructure, the Certification Authority whose public key serves as the most trusted datum (i.e., the beginning of trust paths) for a security domain.

MWE

Classifications

Entity Type

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

Restricted78%llm-generatedllm:claude-haiku-4-5
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Information Class

unclassified

Variants

plural
Root Certification Authorities
possessive
Root Certification Authority's
pluralpossessive
Root Certification Authorities'