Concise Binary Object Representation (CBOR) Tags Created 2013-09-19 Last Updated 2019-04-11 Available Formats [IMG] XML [IMG] HTML [IMG] Plain text Registry included below * CBOR Tags CBOR Tags Expert(s) Carsten Bormann Reference [RFC7049] Note All registration requests must include the template from [RFC7049]. Available Formats [IMG] CSV Range Registration Procedures 0-23 Standards Action 24-255 Specification Required 256-18446744073709551615 First Come First Served Tag Data Item Semantics Reference 0 UTF-8 string Standard date/time string; [RFC7049] see Section 2.4.1 1 multiple Epoch-based date/time; see [RFC7049] Section 2.4.1 2 byte string Positive bignum; see [RFC7049] Section 2.4.2 3 byte string Negative bignum; see [RFC7049] Section 2.4.2 4 array Decimal fraction; see [RFC7049] Section 2.4.3 5 array Bigfloat; see Section [RFC7049] 2.4.3 6-15 Unassigned 16 COSE_Encrypt0 COSE Single Recipient [RFC8152] Encrypted Data Object 17 COSE_Mac0 COSE Mac w/o Recipients [RFC8152] Object 18 COSE_Sign1 COSE Single Signer Data [RFC8152] Object 19-20 Unassigned Expected conversion to 21 multiple base64url encoding; see [RFC7049] Section 2.4.4.2 Expected conversion to 22 multiple base64 encoding; see [RFC7049] Section 2.4.4.2 Expected conversion to 23 multiple base16 encoding; see [RFC7049] Section 2.4.4.2 24 byte string Encoded CBOR data item; [RFC7049] see Section 2.4.4.1 25 unsigned reference the nth [http://cbor.schmorp.de/stringref][Marc_A._Lehmann] integer previously seen string Serialised Perl object 26 array with classname and [http://cbor.schmorp.de/perl-object][Marc_A._Lehmann] constructor arguments Serialised 27 array language-independent [http://cbor.schmorp.de/generic-object][Marc_A._Lehmann] object with type name and constructor arguments 28 multiple mark value as [http://cbor.schmorp.de/value-sharing][Marc_A._Lehmann] (potentially) shared 29 unsigned reference nth marked value [http://cbor.schmorp.de/value-sharing][Marc_A._Lehmann] integer 30 array Rational number [http://peteroupc.github.io/CBOR/rational.html][Peter_Occil] 31 Unassigned 32 UTF-8 string URI; see Section 2.4.4.3 [RFC7049] 33 UTF-8 string base64url; see Section [RFC7049] 2.4.4.3 34 UTF-8 string base64; see Section [RFC7049] 2.4.4.3 35 UTF-8 string Regular expression; see [RFC7049] Section 2.4.4.3 36 UTF-8 string MIME message; see Section [RFC7049] 2.4.4.3 37 byte string Binary UUID ([RFC4122] [https://github.com/lucas-clemente/cbor-specs/blob/master/uuid.md][Lucas_Clemente] section 4.1.2) 38 array Language-tagged string [http://peteroupc.github.io/CBOR/langtags.html][Peter_Occil] 39 multiple Identifier [https://github.com/lucas-clemente/cbor-specs/blob/master/id.md][Lucas_Clemente] 40 array of two Multi-dimensional Array, [draft-ietf-cbor-array-tags] arrays [1] row-major order 41 array Homogeneous Array [draft-ietf-cbor-array-tags] unsigned YANG Schema Item 42 integer iDentifier (sid); see [draft-ietf-core-yang-cbor] Section 3.2. 43 byte string YANG bits datatype; see [draft-ietf-core-yang-cbor] Section 6.7. 44 unsigned YANG enumeration datatype; [draft-ietf-core-yang-cbor] integer see Section 6.6. unsigned YANG identityref datatype; 45 integer or see Section 6.10. [draft-ietf-core-yang-cbor] text string unsigned YANG instance-identifier 46 integer or datatype; see Section [draft-ietf-core-yang-cbor] text string 6.13. or array 47-60 Unassigned 61 CBOR Web CBOR Web Token (CWT) [RFC8392][Michael_B._Jones] Token (CWT) 62-63 Unassigned 64 byte string uint8 Typed Array [draft-ietf-cbor-array-tags] 65 byte string uint16, big endian, Typed [draft-ietf-cbor-array-tags] Array 66 byte string uint32, big endian, Typed [draft-ietf-cbor-array-tags] Array 67 byte string uint64, big endian, Typed [draft-ietf-cbor-array-tags] Array 68 byte string uint8 Typed Array, clamped [draft-ietf-cbor-array-tags] arithmetic 69 byte string uint16, little endian, [draft-ietf-cbor-array-tags] Typed Array 70 byte string uint32, little endian, [draft-ietf-cbor-array-tags] Typed Array 71 byte string uint64, little endian, [draft-ietf-cbor-array-tags] Typed Array 72 byte string sint8 Typed Array [draft-ietf-cbor-array-tags] 73 byte string sint16, big endian, Typed [draft-ietf-cbor-array-tags] Array 74 byte string sint32, big endian, Typed [draft-ietf-cbor-array-tags] Array 75 byte string sint64, big endian, Typed [draft-ietf-cbor-array-tags] Array 76 byte string (reserved) [draft-ietf-cbor-array-tags] 77 byte string sint16, little endian, [draft-ietf-cbor-array-tags] Typed Array 78 byte string sint32, little endian, [draft-ietf-cbor-array-tags] Typed Array 79 byte string sint64, little endian, [draft-ietf-cbor-array-tags] Typed Array 80 byte string IEEE 754 binary16, big [draft-ietf-cbor-array-tags] endian, Typed Array 81 byte string IEEE 754 binary32, big [draft-ietf-cbor-array-tags] endian, Typed Array 82 byte string IEEE 754 binary64, big [draft-ietf-cbor-array-tags] endian, Typed Array 83 byte string IEEE 754 binary128, big [draft-ietf-cbor-array-tags] endian, Typed Array 84 byte string IEEE 754 binary16, little [draft-ietf-cbor-array-tags] endian, Typed Array 85 byte string IEEE 754 binary32, little [draft-ietf-cbor-array-tags] endian, Typed Array 86 byte string IEEE 754 binary64, little [draft-ietf-cbor-array-tags] endian, Typed Array 87 byte string IEEE 754 binary128, little [draft-ietf-cbor-array-tags] endian, Typed Array 88-95 Unassigned 96 COSE_Encrypt COSE Encrypted Data Object [RFC8152] 97 COSE_Mac COSE MACed Data Object [RFC8152] 98 COSE_Sign COSE Signed Data Object [RFC8152] 99-102 Unassigned 103 array Geographic Coordinates [https://github.com/allthingstalk/cbor/blob/master/CBOR-Tag103-Geographic-Coordinates.md][Danilo_Vidovic] 104-119 Unassigned 120 multiple Internet of Things Data [https://github.com/allthingstalk/cbor/blob/master/CBOR-Tag120-Internet-of-Things-Data-Points.md][Danilo_Vidovic] Point 121-255 Unassigned 256 multiple mark value as having [http://cbor.schmorp.de/stringref][Marc_A._Lehmann] string references 257 byte string Binary MIME message [http://peteroupc.github.io/CBOR/binarymime.html][Peter_Occil] 258 array Mathematical finite set [https://github.com/input-output-hk/cbor-sets-spec/blob/master/CBOR_SETS.md][Alfredo_Di_Napoli] Map datatype with 259 map key-value operations (e.g. [https://github.com/shanewholloway/js-cbor-codec/blob/master/docs/CBOR-259-spec--explicit-maps.md][Shane_Holloway] `.get()/.set()/.delete()`) 260 byte string Network Address (IPv4 or [http://www.employees.org/~ravir/cbor-network.txt][Ravi_Raju] IPv6 or MAC Address) map Network Address Prefix 261 (IPAddress + (IPv4 or IPv6 Address + [https://github.com/toravir/CBOR-Tag-Specs/blob/master/networkPrefix.md][Ravi_Raju] Mask Length) Mask Length) 262 byte string Embedded JSON Object [https://github.com/toravir/CBOR-Tag-Specs/blob/master/embeddedJSON.md][Ravi_Raju] 263 byte string Hexadecimal string [https://github.com/toravir/CBOR-Tag-Specs/blob/master/hexString.md][Ravi_Raju] 264 array Decimal fraction with [http://peteroupc.github.io/CBOR/bigfrac.html][Peter_Occil] arbitrary exponent 265 array Bigfloat with arbitrary [http://peteroupc.github.io/CBOR/bigfrac.html][Peter_Occil] exponent 266 text string Internationalized resource [https://peteroupc.github.io/CBOR/iri.html][Peter_Occil] identifier (IRI) Internationalized resource 267 text string identifier reference (IRI [https://peteroupc.github.io/CBOR/iri.html][Peter_Occil] reference) 268-1000 Unassigned 1001 map extended time [draft-bormann-cbor-time-tag-01] 1002 map duration [draft-bormann-cbor-time-tag-01] 1003 map period [draft-bormann-cbor-time-tag-01] 1004-1039 Unassigned 1040 array of two Multi-dimensional Array, [draft-ietf-cbor-array-tags] arrays [1] column-major order 1041-22097 Unassigned hint that indicates an 22098 multiple additional level of [http://cbor.schmorp.de/indirection][Marc_A._Lehmann] indirection 22099-55798 Unassigned 55799 multiple Self-describe CBOR; see [RFC7049] Section 2.4.5 55800-15309735 Unassigned 15309736 map (major RAINS Message [https://britram.github.io/rains-prototype][Brian_Trammell] type 5) 15309737-18446744073709551615 Unassigned People ID Name Contact URI Last Updated [Alfredo_Di_Napoli] Alfredo Di Napoli mailto:alfredo.dinapoli&iohk.io 2017-08-25 [Brian_Trammell] Brian Trammell mailto:ietf&trammell.ch 2016-08-17 [Danilo_Vidovic] Danilo Vidovic mailto:cbor&allthingstalk.com 2018-04-17 [Lucas_Clemente] Lucas Clemente mailto:lucas&clemente.io 2014-07-01 [Marc_A._Lehmann] Marc A. Lehmann mailto:cbor&schmorp.de 2013-11-26 [Michael_B._Jones] Michael B. Jones mailto:mbjµsoft.com 2018-05-04 [Peter_Occil] Peter Occil mailto:poccil14&gmail.com 2018-11-09 [Ravi_Raju] Ravi Raju mailto:ravir&employees.org 2018-03-06 [Shane_Holloway] Shane Holloway mailto:shane.holloway&ieee.org 2018-10-25 Footnote [1] second element of outer array in data item is native CBOR array (major type 4) or Typed Array (one of Tag 64..87)