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RFC 9781: A Concise Binary Object Representation (CBOR) Tag for Unprotected CBOR Web Token Claims Sets (UCCS)

In plain English — editorial summary, not part of the RFC

This document defines the Unprotected CWT Claims Set (UCCS), a data format for representing a CBOR Web Token (CWT) Claims Set without protecting it by a signature, Message Authentication Code (MAC), or encryption. UCCS enables the use of CWT claims in environments where protection is provided by other means, such as secure communication channels or trusted execution environments. This specification defines a CBOR tag for UCCS and describes the UCCS format, its encoding, and its processing considerations. It also discusses security implications of using unprotected claims sets.

Document record

Document ID
RFC9781
Published
May 2025
Authors
H. Birkholz; J. O'Donoghue; N. Cam-Winget; C. Bormann
Status
PROPOSED STANDARD
Stream
IETF
Area
sec
Pages
16
Also known as
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canonical URL: /rfc/9781-a-concise-binary-object-representation-cbor-tag-for-unprotected-cbor-web-token-c