Type name: application Subtype name: cose-c509-pem+cbor Required parameters: N/A Optional parameters: N/A Encoding considerations: binary Security considerations: See the Security Considerations section of [RFC-ietf-cose-cbor-encoded-cert-20]. Interoperability considerations: N/A Published specification: [RFC-ietf-cose-cbor-encoded-cert-20] Applications that use this media type: Applications that employ COSE and use C509 as a certificate type. Fragment identifier considerations: N/A Additional information: Deprecated alias names for this type: N/A Magic number(s): TBD13 File extension(s): .c509 Macintosh file type code(s): N/A Person & email address to contact for further information: iesg&ietf.org Intended usage: COMMON Restrictions on usage: N/A Author: COSE WG Change controller: IETF