Concise Binary Object Representation (CBOR) Simple Values
Created
- 2013-09-19
Last Updated
- 2026-01-15
Available Formats
CBOR Simple Values
Expert(s)
- Carsten Bormann
Reference
- RFC 8949: Concise Binary Object Representation (CBOR)
Available Formats
| Range | Registration Procedures | Note |
|---|---|---|
| 0-19 | Standards Action | Assignments should start with value 16 in order to reserve the lower numbers for contiguous blocks (if any). |
| 32-255 | Specification Required |
| Value | Semantics | Reference |
|---|---|---|
| 0-19 | Unassigned | |
| 20 | False | RFC 8949 |
| 21 | True | RFC 8949 |
| 22 | Null | RFC 8949 |
| 23 | Undefined | RFC 8949 |
| 24-31 | Reserved | RFC 8949 |
| 58-255 | Unassigned | |
| 59 | This value as a map key indicates that the Claim Value is an array of redacted Claim Keys at the same level as the map key. (TEMPORARY - registered 2025-12-16, expires 2026-12-16) | draft-ietf-spice-sd-cwt-06, Section 5.1 |
| 60-255 | Unassigned |