# Specification

- `DateKeys_Protocol_Specification_v0.8.2.md`: frozen copy of the normative
  draft v0.8.2 (25 September 2026) implemented by this module. SHA-256:
  `8103a1893617c46a6c42ffb2a310772c17b6c0f077507ec0d88cb7842cbfb8ac`.
  v0.8.2 replaces v0.8.1 with one normative change to extensions, recorded
  with its justification in the specification's §76.
- `datekeys.cddl`: the CBOR schemas of the specification as implemented, with
  the encoding rules CDDL cannot express.

The specification is licensed under the Creative Commons Attribution 4.0
International License (CC-BY-4.0): <https://creativecommons.org/licenses/by/4.0/>.
The code of this repository is licensed separately under Apache-2.0.

Changes to the specification follow its §76: a normative change should answer a
reproducible case found through the reference implementation, the CDDL, a
fixture, a mutation test, an interoperability test, fuzzing, a second
implementation or an external review.