CTK: §9 authorization-token vectors; mark §9 reference-backed (0.3.3)#11
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…d (0.3.3) The reference implements the §9 token profile from delego 0.3.3. Adds ctk/vectors/token.json (+ token_signing_key.pub) — verifier vectors for §9.1: valid token + alg=none (algorithm confusion), tampered signature, wrong audience, expired — wired into conformance.py (skipped on reference < 0.3.3). Flips §9's status tag from 'draft — not yet in reference' to reference-backed; no normative design text changed. Protocol version unchanged (token is additive).
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The reference now implements the §9 authorization-token profile (delego#17, 0.3.3). Per the spec-leads-reference model, §9 becomes reference-backed once the reference reproduces its CTK vectors — which it now does.
Changes
ctk/vectors/token.json+ctk/vectors/token_signing_key.pub— verifier (PEP) vectors for §9.1: a valid token, plusalg=none(algorithm confusion), tampered signature, wrongaud, and expired — each marked accept/reject. Wired intoconformance.py(skipped on a reference < 0.3.3).spec.md§9 status tag flipped from draft — not yet in reference → reference-backed (optional profile), since delego 0.3.3. No normative design text changed — this is the sanctioned §2.1 transition (a clause becomes reference-backed once its CTK vectors reproduce), not an edit to the frozen design.ctk/README.md+CHANGELOG.mdupdated.Protocol version unchanged (still 0.3): the token is additive and changes no hashed/signed bytes.
Verification
validate.pyandconformance.pyboth green locally against delego 0.3.3 — including the 5 new token cases. The conformance CI here installsdelego@main(now 0.3.3), so it will replay them.