Internet Assigned Numbers Authority CERT RR Certificate Types Created 2005-12-20 Last Updated 2006-09-27 Available Formats [IMG] XML [IMG] HTML [IMG] Plain text Registry included below * CERT RR Certificate Types CERT RR Certificate Types Reference [RFC4398] Available Formats [IMG] CSV Range Registration Procedures Note 0x0000-0x00FF Standards Action 0xFF00-0xFFFF Standards Action 0x0100-0xFEFF IETF Review based on RFC documentation of the certificate type Decimal Type Meaning Reference 0 Reserved [RFC4398] 1 PKIX X.509 as per PKIX [RFC4398] 2 SPKI SPKI certificate [RFC4398] 3 PGP OpenPGP packet [RFC4398] 4 IPKIX The URL of an X.509 data object [RFC4398] 5 ISPKI The URL of an SPKI certificate [RFC4398] 6 IPGP The URL of an OpenPGP packet [RFC4398] 7 ACPKIX Attribute Certificate [RFC4398] 8 IACPKIX The URL of an Attribute Certificate [RFC4398] 9-252 Unassigned 253 URI URI private [RFC4398] 254 OID OID private [RFC4398] 255 Reserved [RFC4398] 256-65279 Unassigned 65280-65534 Experimental [RFC4398] 65535 Reserved [RFC4398] Licensing Terms