Internet-Draft vCard properties in Web Tokens October 2025
Mahy Expires 18 April 2026 [Page]
Workgroup:
WG Working Group
Internet-Draft:
draft-mahy-spice-vcard-claims-latest
Published:
Intended Status:
Informational
Expires:
Author:
R. Mahy

Web Token Claim Registration Inspired by vCard Properties

Abstract

A number of useful claims about humans are registered for use in JSON Web Tokens and CBOR Web Tokens. Another useful source of similar information is in the vCard specification. This document registers those fields.

About This Document

This note is to be removed before publishing as an RFC.

The latest revision of this draft can be found at https://example.com/LATEST. Status information for this document may be found at https://datatracker.ietf.org/doc/draft-mahy-spice-vcard-claims/.

Discussion of this document takes place on the WG Working Group mailing list (mailto:WG@example.com), which is archived at https://example.com/WG.

Source for this draft and an issue tracker can be found at https://github.com/USER/REPO.

Status of This Memo

This Internet-Draft is submitted in full conformance with the provisions of BCP 78 and BCP 79.

Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet-Drafts is at https://datatracker.ietf.org/drafts/current/.

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This Internet-Draft will expire on 18 April 2026.

Table of Contents

1. Introduction

TODO Introduction

2. Conventions and Definitions

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all capitals, as shown here.

3. New Claims

4. vcard:geo

The vCard GEO property contains a geographical coordinate.

"vcard:geo": "50.8449007, 4.3498171"
281: [50.8449007, 4.3498171]

5. vcard:impp

The vCard IMPP property contains an instant messaging address. It is a text string.

6. vcard:title

The vCard TITLE property contains the formal title of the (usually human) subject, for example: "Principal Engineer"

It is a text string.

7. vcard:org

| vcard:geo | | | | 53.484715052499816, -2.238374047408401 | | vcard:impp | | | | https://acme.co.uk/u/bob.jones | | vcard:title | | | | Principal Engineer | | vcard:org | | | | "Acme Widgets, Ltd." | logo_uri | vcard:logo | | | | https://www.acme.co.uk/acme-logo-med.png | | vcard:member | | | | Full Time Employees, Engineering, Security Alerts, Key Staff | | vcard:fburl | | | | | # Free busy list vcard:caladuri: | | | | | # Send scheduling requests here vcard:caluri: | | | | | # a calendar address (ex: public calendar for a musician or public figure)

vcard:language

vcard:socialprofile

vcard:sound # pronunciation of name
vcard:phonetic:ipa  # IPA phonetic representation
vcard:phonetic:piny # Pinyin phonetic representation
vcard:phonetic:jyut # Jyutping phonetic representation

vcard:gramgender # grammatical gender
vcard:pronouns

8. Security Considerations

TODO Security

9. IANA Considerations

9.1. JWT Claims

JWT already has

  • groups, roles, entitlements

  • title

  • place_of_birth

  • nationality

  • birth_*_name

9.2. CWT Claims

| vcard:geo | | | | 53.484715052499816, -2.238374047408401 | | vcard:impp | | | | https://acme.co.uk/u/bob.jones | | vcard:title | | | | Principal Engineer | | vcard:org | | | | "Acme Widgets, Ltd." | logo_uri | vcard:logo | | | | https://www.acme.co.uk/acme-logo-med.png | | vcard:member | | | | Full Time Employees, Engineering, Security Alerts, Key Staff |

array

Table 1
vcard:fburl         # Free busy list
vcard:caladuri:         # Send scheduling requests here
vcard:caluri:         # a calendar address (ex: public calendar for a musician or public figure)

vcard:lang (languages that may be used for contacting the entity associated with the vCard)

vcard:socialprofile

vcard:sound # pronunciation of name
vcard:phonetic:ipa  # IPA phonetic representation
vcard:phonetic:piny # Pinyin phonetic representation
vcard:phonetic:jyut # Jyutping phonetic representation

vcard:gramgender # grammatical gender
vcard:pronouns

birthplace, deathplace, deathdate

10. Normative References

[RFC2119]
Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, DOI 10.17487/RFC2119, , <https://www.rfc-editor.org/rfc/rfc2119>.
[RFC8174]
Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174, , <https://www.rfc-editor.org/rfc/rfc8174>.

Acknowledgments

TODO acknowledge.

Author's Address

Rohan Mahy