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X.509 / PKIX

X.509 / Certificate OIDs

Searchable reference for common X.509 OIDs. RDN attribute types (CN, O, C), certificate extensions (KU, EKU, SAN, BC), signature algorithms (RSA, ECDSA), and FIDO attestation extensions.

About this reference

Spec

RFC 5280 (X.509); RFC 8410 (Ed25519/Ed448); FIDO Alliance attestation specs.