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mrwulf
b8ffbafa7f
The dogfood principle now runs in BOTH directions. Agents already
verified signatures through the proven dalek path; now the provider
SIGNS with it too, and proves to itself that the signing code is in its
own log before every signature:
- dogfood binary gains a `sign` mode (seed over stdin, never argv;
ed25519_dalek::SigningKey from the same pinned merkleized workspace).
Honesty ledger unchanged: the library's VERIFY path is
certificate-covered; its signing path is declared trusted base - but
it is the ATTESTED artifact, not an un-attested third implementation.
- sign_payload_ed25519_detailed: signing dispatch mirroring the verify
dispatch; the backend that actually signed is recorded in every
attestation signature block and STH.
- THE SELF-REFERENTIAL CHECK: before signing any tree head, the
provider runs the SAME Merkle inclusion verification an agent runs -
against the very tree it is about to sign - for the newest leaf
attesting the signing library itself, and embeds the result in the
signature block:
signing_provenance:
signing_backend: verified-dalek-serial
signing_library_component: dalek-ed25519-verified
signing_library_source_commit: aa0f6ab...
self_inclusion: verified
signing_library_leaf_index: 4
signing_library_certificates_proven: 16/16
A root signature that names the leaf vouching for the code that
produced it. First-append chicken-and-egg is handled honestly
(self_inclusion: library_not_in_log).
- Evidence refreshed: all four receipts re-issued under dogfood-signed
STHs; the full agent verify loop re-run green.
50/50 tests (new signing roundtrip test, skip-safe where unbuilt).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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|---|---|---|
| .. | ||
| fixtures/mini-ed25519-verified/verification | ||
| test_agent.py | ||
| test_artifact.py | ||
| test_attestation.py | ||
| test_boundaries.py | ||
| test_claim_cards.py | ||
| test_claim_failures.py | ||
| test_curriculum_notebooks.py | ||
| test_doctor.py | ||
| test_dogfood.py | ||
| test_hygiene.py | ||
| test_lean.py | ||
| test_manifest_parsing.py | ||
| test_profiles.py | ||
| test_provider.py | ||
| test_risk.py | ||
| test_signing.py | ||
| test_sthstore.py | ||
| test_transparency.py | ||