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.