Internet Assigned Numbers Authority CBOR Web Token (CWT) Claims Created 2018-03-22 Last Updated 2023-04-28 Available Formats [IMG] XML [IMG] HTML [IMG] Plain text Registries included below • CBOR Web Token (CWT) Claims • CWT Confirmation Methods CBOR Web Token (CWT) Claims Expert(s) Mike Jones, Hannes Tschofenig, Ludwig Seitz Reference [RFC8392] Note Registration requests should be sent to the mailing list described in [RFC8392]. If approved, designated experts should notify IANA within three weeks. For assistance, please contact iana@iana.org. Available Formats [IMG] CSV Range Registration Procedures Integer values from -256 to 255 Standards Action Integer values from -65536 to -257 Specification Required Integer values from 256 to 65535 Specification Required Integer values greater than 65535 Expert Review Strings of length 1 Standards Action Strings of length 2 Specification Required Strings of length greater than 2 Expert Review Claim Name Claim JWT Claim Name Claim Claim Value Change Controller Reference Description Key Type less Reserved for Private Use than [RFC8392] -65536 -65536 Unassigned to -261 hcert Health hcert -260 map [European_eHealth_Network] [Electronic Health Certificate Certificate Specification] EUPHNonce Challenge EUPHNonce -259 bstr [FIDO_Alliance] [FIDO Device Onboard Specification] Nonce Signing prefix for multi-app EATMAROEPrefix restricted EATMAROEPrefix -258 bstr [FIDO_Alliance] [FIDO Device Onboard Specification] operating environments EAT-FDO may contain EAT-FDO related to EAT-FDO -257 array [FIDO_Alliance] [FIDO Device Onboard Specification] FIDO Device Onboarding Unassigned -256 to -1 This Reserved registration 0 [IESG] [RFC8392] reserves the key value 0 iss Issuer iss 1 text string [IESG] [RFC8392] sub Subject sub 2 text string [IESG] [RFC8392] aud Audience aud 3 text string [IESG] [RFC8392] Expiration integer or exp Time exp 4 floating-point [IESG] [RFC8392] number integer or nbf Not Before nbf 5 floating-point [IESG] [RFC8392] number integer or iat Issued At iat 6 floating-point [IESG] [RFC8392] number cti CWT ID jti 7 byte string [IESG] [RFC8392] cnf Confirmation cnf 8 map [IESG] [RFC8747] The scope of an access byte string or scope token, as scope 9 text string [IESG] [RFC8693, Section 4.2] defined in [RFC6749]. Nonce (TEMPORARY - registered 2022-03-23, [OpenID Connect Core Nonce extension nonce 10 byte string [IESG] 1.0][draft-ietf-rats-eat-12] registered 2023-02-13, expires 2024-03-23) Unassigned 11 to 37 The ACE profile a ace_profile token is ace_profile 38 integer [IETF] [RFC9200, Section 5.10] supposed to be used with. The client-nonce cnonce sent to the AS cnonce 39 byte string [IETF] [RFC9200, Section 5.10] by the RS via the client. The expiration time of a token measured unsigned exi from when it exi 40 integer [IETF] [RFC9200, Section 5.10.3] was received at the RS in seconds. Unassigned 41 to 255 The Universal Entity ID (TEMPORARY - registered UEID 2022-03-23, ueid 256 byte string [IESG] [draft-ietf-rats-eat-12] extension registered 2023-02-13, expires 2024-03-23) Semi-permanent UEIDs (TEMPORARY - registered SUEIDs 2022-03-23, sueids 257 map [IESG] [draft-ietf-rats-eat-12] extension registered 2023-02-13, expires 2024-03-23) Hardware OEM ID (TEMPORARY - registered 2022-03-23, byte string or Hardware OEMID extension oemid 258 integer [IESG] [draft-ietf-rats-eat-12] registered 2023-02-13, expires 2024-03-23) Model identifier for hardware (TEMPORARY - registered Hardware Model 2022-03-23, hwmodel 259 byte string [IESG] [draft-ietf-rats-eat-12] extension registered 2023-02-13, expires 2024-03-23) Hardware Version Identifier (TEMPORARY - registered Hardware Version 2022-03-23, hwversion 260 array [IESG] [draft-ietf-rats-eat-12] extension registered 2023-02-13, expires 2024-03-23) Unassigned 261 Indicate whether the boot was secure (TEMPORARY - Secure Boot registered secboot 262 Boolean [IESG] [draft-ietf-rats-eat-12] 2022-03-23, extension registered 2023-02-13, expires 2024-03-23) Indicate status of debug facilities (TEMPORARY - Debug Status registered dbgstat 263 integer [IESG] [draft-ietf-rats-eat-12] 2022-03-23, extension registered 2023-02-13, expires 2024-03-23) The geographic location (TEMPORARY - registered Location 2022-03-23, location 264 map [IESG] [draft-ietf-rats-eat-12] extension registered 2023-02-13, expires 2024-03-23) Indicates the EAT profile followed (TEMPORARY - registered Profile 2022-03-23, eat_profile 265 URI or OID [IESG] [draft-ietf-rats-eat-12] extension registered 2023-02-13, expires 2024-03-23) The section containing submodules (TEMPORARY - registered Submodules Section 2022-03-23, submods 266 map [IESG] [draft-ietf-rats-eat-12] extension registered 2023-02-13, expires 2024-03-23) Unassigned 267 to 299 wmver (PROVISIONAL) The version of wmver 300 unsigned [DASH-IF] [DASH-IF IOP WAT, Section 5.4] the WM Token integer The WM unsigned wmvnd (PROVISIONAL) technology wmvnd 301 integer [DASH-IF] [DASH-IF IOP WAT, Section 5.4] vendor The length in unsigned wmpatlen (PROVISIONAL) bits of the WM wmpatlen 302 integer [DASH-IF] [DASH-IF IOP WAT, Section 5.4] pattern The nominal wmsegduration (PROVISIONAL) duration of a wmsegduration 303 map [DASH-IF] [DASH-IF IOP WAT, Section 5.4] segment wmpattern (PROVISIONAL) The WM pattern wmpattern 304 COSE_Encrypt0 [DASH-IF] [DASH-IF IOP WAT, Section 5.4] or byte string Used as input wmid (PROVISIONAL) to derive the wmid 305 text string [DASH-IF] [DASH-IF IOP WAT, Section 5.4] WM pattern for indirect mode Used as additional wmopid (PROVISIONAL) input to wmopid 306 unsigned [DASH-IF] [DASH-IF IOP WAT, Section 5.4] derive the WM integer pattern for indirect mode The key to use for derivation unsigned wmkeyver (PROVISIONAL) of the WM wmkeyver 307 integer [DASH-IF] [DASH-IF IOP WAT, Section 5.4] pattern in indirect mode Unassigned 308 to 2393 psa-client-id PSA Client ID N/A 2394 signed integer [Hannes_Tschofenig] [draft-tschofenig-rats-psa-token-09] psa-security-lifecycle PSA Security N/A 2395 unsigned [Hannes_Tschofenig] [draft-tschofenig-rats-psa-token-09] Lifecycle integer PSA psa-implementation-id Implementation N/A 2396 byte string [Hannes_Tschofenig] [draft-tschofenig-rats-psa-token-09] ID psa-boot-seed PSA Boot Seed N/A 2397 byte string [Hannes_Tschofenig] [draft-tschofenig-rats-psa-token-09] PSA psa-certification-reference Certification N/A 2398 text string [Hannes_Tschofenig] [draft-tschofenig-rats-psa-token-09] Reference psa-software-components PSA Software N/A 2399 array [Hannes_Tschofenig] [draft-tschofenig-rats-psa-token-09] Components PSA psa-verification-service-indicator Verification N/A 2400 text string [Hannes_Tschofenig] [draft-tschofenig-rats-psa-token-09] Service Indicator 2401 Unassigned to 65535 CWT Confirmation Methods Registration Procedure(s) Specification Required Expert(s) Ludwig Seitz, Mike Jones Reference [RFC8747] Note Registration requests should be sent to the mailing list described in [RFC8747]. If approved, designated experts should notify IANA within three weeks. For assistance, please contact iana@iana.org. Available Formats [IMG] CSV Confirmation Method Confirmation Method Description JWT Confirmation Confirmation Key Confirmation Value Type Change Reference Name Method Name Controller COSE_Key COSE_Key Representing Public Key jwk 1 COSE_Key structure [IESG] [RFC8747, Section 3.2] COSE_Encrypt or COSE_Encrypt0 structure Encrypted_COSE_Key Encrypted COSE_Key jwe 2 (with an optional [IESG] [RFC8747, corresponding Section 3.3] COSE_Encrypt or COSE_Encrypt0 tag) kid Key Identifier kid 3 binary string [IESG] [RFC8747, Section 3.4] OSCORE_Input_Material carrying the [RFC9203, osc parameters for using OSCORE per-message osc 4 map [IETF] Section security with implicit key confirmation 3.2.1] Contact Information ID Name Contact URI Last Updated [DASH-IF] DASH Industry Forum https://dashif.org 2023-03-01 [European_eHealth_Network] European eHealth Network mailto:jakob&kirei.se 2021-04-15 [FIDO_Alliance] FIDO Alliance mailto:iana-request&fidoalliance.org 2021-03-05 [Hannes_Tschofenig] Hannes Tschofenig mailto:hannes.tschofenig&arm.com 2022-07-27 [IESG] IESG mailto:iesg&ietf.org 2018-05-04 [IETF] IETF mailto:iesg&ietf.org Licensing Terms