Wireshark · Display Filter Reference: Object Security for Constrained RESTful Environments

Field name	Description	Type	Versions
oscore.cbc_mac_failed	Call to CBC-MAC failed	Label	2.6.0 to 4.4.2
oscore.code	Code	Unsigned integer (8 bits)	2.6.0 to 4.4.2
oscore.context_not_set	Security context not set - can't decrypt	Label	2.6.0 to 4.4.2
oscore.decrypt_error	Decryption error	Label	2.6.0 to 4.4.2
oscore.info_fetch_failed	Failed to fetch info from the lower layer - OSCORE over HTTP is not supported	Label	2.6.0 to 4.4.2
oscore.invalid_option_number	Invalid Option Number	Label	2.6.0 to 4.4.2
oscore.invalid_option_range	Invalid Option Range	Label	2.6.0 to 4.4.2
oscore.key_id_not_found	Key ID not found - can't decrypt	Label	2.6.0 to 3.2.18
oscore.message_too_small	Message too small	Label	2.6.0 to 4.4.2
oscore.opt.accept	Accept	Character string	2.6.0 to 4.4.2
oscore.opt.block_mflag	More Flag	Unsigned integer (8 bits)	2.6.0 to 4.4.2
oscore.opt.block_number	Block Number	Unsigned integer (32 bits)	2.6.0 to 4.4.2
oscore.opt.block_size	Encoded Block Size	Unsigned integer (8 bits)	2.6.0 to 4.4.2
oscore.opt.ctype	Content-type	Character string	2.6.0 to 4.4.2
oscore.opt.delta	Opt Delta	Unsigned integer (8 bits)	2.6.0 to 4.4.2
oscore.opt.delta_ext	Opt Delta extended	Unsigned integer (16 bits)	2.6.0 to 4.4.2
oscore.opt.desc	Opt Desc	Character string	2.6.0 to 4.4.2
oscore.opt.end_marker	End of options marker	Unsigned integer (8 bits)	2.6.0 to 4.4.2
oscore.opt.etag	Etag	Byte sequence	2.6.0 to 4.4.2
oscore.opt.hop_limit	Hop Limit	Unsigned integer (8 bits)	3.4.0 to 4.4.2
oscore.opt.if_match	If-Match	Byte sequence	2.6.0 to 4.4.2
oscore.opt.length	Opt Length	Unsigned integer (8 bits)	2.6.0 to 4.4.2
oscore.opt.length_ext	Opt Length extended	Unsigned integer (16 bits)	2.6.0 to 4.4.2
oscore.opt.location_path	Location-Path	Character string	2.6.0 to 4.4.2
oscore.opt.location_query	Location-Query	Character string	2.6.0 to 4.4.2
oscore.opt.max_age	Max-age	Unsigned integer (32 bits)	2.6.0 to 4.4.2
oscore.opt.name	Opt Name	Character string	2.6.0 to 4.4.2
oscore.opt.object_security_expand	Expanded Flag Byte	Boolean	2.6.0 to 3.2.18
oscore.opt.object_security_kid	Key ID	Byte sequence	2.6.0 to 4.4.2
oscore.opt.object_security_kid_context	Key ID Context	Byte sequence	2.6.0 to 4.4.2
oscore.opt.object_security_kid_context_len	Key ID Context Length	Unsigned integer (8 bits)	2.6.0 to 4.4.2
oscore.opt.object_security_kid_context_present	Key ID Context Present	Boolean	2.6.0 to 4.4.2
oscore.opt.object_security_kid_present	Key ID Present	Boolean	3.0.0 to 4.4.2
oscore.opt.object_security_non_compressed	Non-compressed COSE message	Boolean	2.6.0 to 3.2.18
oscore.opt.object_security_piv	Partial IV	Byte sequence	2.6.0 to 4.4.2
oscore.opt.object_security_piv_len	Partial IV Length	Unsigned integer (8 bits)	2.6.0 to 4.4.2
oscore.opt.object_security_reserved	Reserved	Boolean	3.4.0 to 4.4.2
oscore.opt.object_security_signature	Signature Present	Boolean	2.6.0 to 3.2.18
oscore.opt.observe	Observe	Unsigned integer (32 bits)	2.6.0 to 4.4.2
oscore.opt.opt_echo	Echo	Byte sequence	4.2.0 to 4.4.2
oscore.opt.opt_no_response	No-Response	Unsigned integer (8 bits)	4.2.0 to 4.4.2
oscore.opt.opt_ocf_accept_version	OCF-Accept-Content-Format-Version	Unsigned integer (8 bits)	4.2.0 to 4.4.2
oscore.opt.opt_ocf_version	OCF-Content-Format-Version	Unsigned integer (8 bits)	4.2.0 to 4.4.2
oscore.opt.opt_request_tag	Request-Tag	Byte sequence	4.2.0 to 4.4.2
oscore.opt.proxy_scheme	Proxy-Scheme	Character string	2.6.0 to 4.4.2
oscore.opt.proxy_uri	Proxy-Uri	Character string	2.6.0 to 4.4.2
oscore.opt.size1	Size1	Unsigned integer (32 bits)	2.6.0 to 4.4.2
oscore.opt.unknown	Unknown	Byte sequence	2.6.0 to 4.4.2
oscore.opt.uri_host	Uri-Host	Character string	2.6.0 to 4.4.2
oscore.opt.uri_path	Uri-Path	Character string	2.6.0 to 4.4.2
oscore.opt.uri_path_recon	Uri-Path	Character string	2.6.0 to 4.4.2
oscore.opt.uri_port	Uri-Port	Unsigned integer (16 bits)	2.6.0 to 4.4.2
oscore.opt.uri_query	Uri-Query	Character string	2.6.0 to 4.4.2
oscore.option_length_bad	Option length bad	Label	2.6.0 to 4.4.2
oscore.option_object_security_bad	Invalid Object-Security Option Format	Label	2.6.0 to 3.2.2
oscore.option_oscore_bad	Invalid OSCORE Option Format	Label	3.2.3 to 4.4.2
oscore.partial_iv_not_found	Partial IV not found - can't decrypt	Label	2.6.0 to 4.4.2
oscore.payload	Payload	Character string	2.6.0 to 4.4.2
oscore.payload_desc	Payload Desc	Character string	2.6.0 to 4.4.2
oscore.payload_length	Payload Length	Unsigned integer (32 bits)	2.6.0 to 4.4.2
oscore.piv_len_invalid	Partial IV length from the lower layer is invalid	Label	2.6.0 to 4.4.2
oscore.tag	Decrypted Authentication Tag	Byte sequence	2.6.0 to 4.4.2
oscore.tag_check_failed	Authentication tag check failed	Label	2.6.0 to 4.4.2
oscore.truncated	Message truncated, cannot verify authentication tag, but decryption is attempted	Label	2.6.0 to 4.4.2
oscore.unknown_option_number	Unknown Option Number	Label	3.2.5 to 4.4.2