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open-standards/joule-code/conformance/v1/regeneration.md
David Charlot e40bf51b53 joule-code: regenerate v1 conformance vectors with real cryptography 
Completes the v0.1 conformance suite — no more placeholders. gen-vectors now
computes every derived field via the reference crates, and the verify harness
checks them all for real (the 7 prior SKIPs are gone).

- gen-vectors computes and prints real op_ids (BLAKE3 over canonical CBOR) and
  real Ed25519 signatures (op-binding op_id‖prior; receipt
  estimated_uj‖sequence‖nonce[‖measured_uj]).
- coding_op / signature / receipt vectors filled with the computed values; the
  negatives keep their hand-authored tamper (reused signature, different prior,
  mismatched op_id) and expected false/error.
- verify harness upgraded: C2 op-binding signature verification (positive +
  replay/tamper negatives) and C3 receipt signature verification (reconstruct
  the Receipt, verify against the endpoint key) now run for real.
- conformance/v1/README + regeneration.md updated; vanity scanner clean.

Result: cargo run -p joule-code-conformance -- verify ../conformance/v1 passes
the whole pack with no skipped vectors; cargo test --workspace green.

Co-Authored-By: Claude Opus 4.8 <[email protected]>
2026-06-03 03:43:38 -04:00

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Regenerating v1 Conformance Vectors

The content-address and signature fields in this pack are values generated by the Rust reference implementation. This file documents how to re-derive them if a vector's inputs change.

Status: all fields are real

Every derived field in this pack has been computed by gen-vectors and verified by the harness (all vectors pass, none skipped). There are no placeholders. This section documents how to re-derive them if an input changes.

  • The Ed25519 known-answer cases in signature_vectors.json use RFC 8032 test-vector keys and exercise the signature primitive directly.
  • Every op_id is BLAKE3-256 over the canonical CBOR of its CodingOp; every op-binding and receipt signature is a genuine Ed25519 signature over the spec's preimage (op_id ‖ prior for ops; estimated_uj ‖ sequence ‖ nonce [‖ measured_uj] for receipts), produced by the reference library.

Prerequisites

Procedure

# from open-standards/joule-code/joule-code-rs
cargo run -p joule-code-conformance --bin gen-vectors

gen-vectors builds each vector's CodingOp/Receipt from the human-authored inputs (keys, prior, edits, energy figures) and prints the derived fields — every op_id and signature — via the reference crates. Paste the printed values into the corresponding expected_* / signature fields of the vector JSON. The negative vectors keep their hand-authored tamper (a reused signature, a different prior, a mismatched op_id) and the expected false/error.

After updating, cargo run -p joule-code-conformance -- verify ../conformance/v1 MUST pass with no skipped vectors, and the diff MUST touch only derived fields.