None M. Prorock Internet-Draft mesur.io Intended status: Informational B. Zundel Expires: 3 March 2024 Gen Digital 31 August 2023 Use Cases for SPICE draft-prorock-spice-use-cases-00 Abstract This document describes various use cases related to credential exchange in a three party model (issuer, holder, verifier). These use cases aid in the identification of which Secure Patterns for Internet CrEdentials (SPICE) are most in need of specification or detailed documentation. 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/. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." This Internet-Draft will expire on 3 March 2024. Copyright Notice Copyright (c) 2023 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (https://trustee.ietf.org/ license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Revised BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Revised BSD License. Prorock & Zundel Expires 3 March 2024 [Page 1] Internet-Draft sd-cwt August 2023 Table of Contents 1. Notational Conventions . . . . . . . . . . . . . . . . . . . 2 2. SPICE Use Cases . . . . . . . . . . . . . . . . . . . . . . . 2 3. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 4. Details on Each Use Case . . . . . . . . . . . . . . . . . . 2 5. Security Considerations . . . . . . . . . . . . . . . . . . . 3 6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 3 7. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 3 8. Normative References . . . . . . . . . . . . . . . . . . . . 3 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 3 1. Notational Conventions The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in [RFC2119]. 2. SPICE Use Cases 3. Introduction There are several expanding use cases and common patterns that motivate the working group and broader community, including: * Use of microcredentials, particularly in education * Digitization of physical supply chain credentials in multiple jurisdictions - CBOR credentials - High volume with system to system exchange of credentions - both regulatory data as well as business driven information * IoT, Control Systems, and Critical Infrastructure related Credentials * Credentials related to authenticity and provenance, especially of digital media * Offline exchange (in person) of credentials that may have been internet issued * Embedding of credentials in other data formats * Digital Wallet Initiatives * Selective disclosure with CBOR 4. Details on Each Use Case TBD Prorock & Zundel Expires 3 March 2024 [Page 2] Internet-Draft sd-cwt August 2023 5. Security Considerations TBD 6. IANA Considerations NONE 7. Acknowledgements The authors would like to thank those that have worked on similar items and/or whom have provided input into this document, especially: Hannes Tschofenig, Henk Birkholz, Heather Flanagan, Kaliya Young, Orie Steele, Leif Johansson, Pamela Dingle, Tobias Looker, Kristina Yasuda, Daniel Fett, Oliver Terbu, and Michael Jones. 8. Normative References [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, DOI 10.17487/RFC2119, March 1997, . Authors' Addresses Michael Prorock mesur.io Email: mprorock@mesur.io Brent Zundel Gen Digital Email: Brent.Zundel@gendigital.com Prorock & Zundel Expires 3 March 2024 [Page 3]