Freeze v0.3: query-fold + canonicalization (§4.2) + JWS/token hardening (supersedes #3) - #6
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…ng (§9, §11) Combines this PR's breaking work with the additive #5 base now on main: adopts the §4.2 query-fold + exact canonicalization (was tracked as deferred), adds JWS algorithm-confusion defense, kid/key-separation, exp<=300s, cross-instance jti sharing, and the token-replay/key-separation §11 considerations — on top of #5's cns single-use, revocation, and interop. Marks the spec FROZEN at 0.3 (badge, header, CHANGELOG). validate.py + conformance.py green against delego 0.2.3; query-fold hashing vectors ship when the reference implements the fold. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Lands the reconciliation of PR #3 (koishore's draft) on top of the merged #5, and freezes the spec at 0.3.
Combines:
+→space, first-=, duplicate preservation, fragment exclusion, code-point order); §9/§9.1 JWS hardening (pinalg=EdDSA, rejectnone/alg-confusion,kidrotation, key separation,exp≤300s, cross-instancejti); §11 algorithm-confusion + key-separation.cns/revocation/interop.Freeze framing: badge, header (
Status: Frozen), and CHANGELOG flipped from0.3-draft→0.3.validate.py+conformance.pygreen against delego 0.2.3; the query-fold is spec-ahead-of-reference (hashing vectors regenerate when delego implements the fold — tracked as the delego 0.3.0 milestone).Closes #3 (superseded — its content is fully incorporated here).
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