LAB-687: add keyring conformance vectors - #60
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WalkthroughThe change adds keyring conformance vectors and verification. It validates derived-key fingerprints, ordered fallback, obsolete-key rejection, and fingerprint selection. The SDK feature matrix documents keyring support and updated TypeScript remediation guidance. ChangesKeyring conformance
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🟡 Moderate · up to The PR adds keyring conformance validation and updates the SDK support matrix, but malformed or unsupported keyring vectors can currently pass validation, missing keyring data can crash the verifier, and the documentation claims rotation support that is not yet available. These issues should be corrected before merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 60.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 5 functions across 1 files. (2 skipped: 2 unsupported.) ✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Inline comments:
In `@sdk-feature-matrix.md`:
- Line 69: Update the “Key rotation” entries in the SDK feature matrix for
Python, Rust, and TypeScript to show unsupported status, removing
shipped-keyring, sequential-attempts, derived-key fingerprint, and
rotation-runbook remediation claims; apply the same correction to the
corresponding rows noted in the review.
In `@tools/encryption-verify.py`:
- Around line 188-190: Update the keyring validation around entries_by_id to
require exactly two entries with distinct IDs k1 and k2 before constructing the
lookup, rejecting duplicate or unsupported IDs. In the vector validation near
the encrypted_with handling, require each frozen vector name to have its
expected encrypted_with value and reject unsupported values instead of treating
every non-k2 value as k1.
- Line 277: Update the success-summary logic around the final print statement so
it does not access doc["keyring"] when that section is absent. Preserve the
validation failure recorded by the earlier validation path and return it
directly instead of raising a KeyError; only include the keyring vector count
when the keyring validation succeeded.
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sdk-feature-matrix.mdtest-vectors/encryption.jsontools/encryption-verify.py
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…ners (LAB-687) CodeRabbit on protocol#60, plus the LAB-687 expert-panel findings that land in the same files (applied together so one agent owns this branch). - tools/encryption-verify.py: keyring block hoisted out of the `cryptography` guard — the stdlib CI lane verified zero keyring vectors while printing "2 keyring vectors verified". Entries must have unique ids including k1/k2 (duplicates no longer collapse). `encrypted_with` resolves against the frozen name and KEYRING_ORDER instead of "anything not k2 is k1". Keyring vectors get the same compressed/format metadata gate as the main loop. Per-vector `key_fingerprint_hex` must select the HKDF-derived key of its entry — a master-key fingerprint cannot select. Unreachable master-fingerprint guard and the tautological standalone `fingerprint_selection` removed. `verify(doc)` split from `main()` so the fixture can be mutated in-memory. - tools/test_encryption_verify.py (new) + verify.yml: mutation suite proves every keyring guard goes red (18 cases seal lane, 15 stdlib), wired ahead of the verifier in both lanes per the repo's existing doctrine. - spec/encryption.md, decisions/key-rotation.md: shipping-status banners reconciled with cachekit-py#261 / cachekit-rs#63 / cachekit-ts#103. This contradiction is what CodeRabbit read as "the matrix over-claims". - sdk-feature-matrix.md ⁵: "TTL grace window" → manual retirement; "cross-SDK conformance vectors" → protocol reference verifier, no SDK consumer yet; runbook link also names its in-repo normative source. - CHANGELOG: LAB-687 entry. CodeRabbit-Resolved: sdk-feature-matrix.md:69:Remove the shipped-keyring and CodeRabbit-Resolved: tools/encryption-verify.py:190:Validate keyring entry car CodeRabbit-Resolved: tools/encryption-verify.py:277:Do not dereference a missi
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| stdlib and always run; only the decrypt attempts need `cryptography` (`seal`). | ||
| """ | ||
| if keyring is None: | ||
| print("FAIL keyring vectors missing") |
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Violates team rule 'Replace print statements with logging framework': Use the standard logging module (or your app's logger) instead of print() in committed code.
Also found in:
tools/encryption-verify.py:140-140tools/encryption-verify.py:147-147tools/encryption-verify.py:157-157tools/encryption-verify.py:160-160tools/encryption-verify.py:168-168tools/encryption-verify.py:174-174tools/encryption-verify.py:181-181tools/encryption-verify.py:185-185tools/encryption-verify.py:191-191tools/encryption-verify.py:197-197tools/encryption-verify.py:201-201tools/encryption-verify.py:207-207tools/encryption-verify.py:210-210tools/encryption-verify.py:245-245tools/encryption-verify.py:284-284tools/test_encryption_verify.py:97-97tools/test_encryption_verify.py:99-99tools/test_encryption_verify.py:105-105tools/test_encryption_verify.py:109-109tools/test_encryption_verify.py:112-112tools/test_encryption_verify.py:114-114tools/test_encryption_verify.py:116-116
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File tools/encryption-verify.py:
Line 133:
Violates team rule 'Replace print statements with logging framework': Use the standard logging module (or your app's logger) instead of print() in committed code.
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| "duplicate entry ids": lambda d: d["keyring"]["entries"].insert(0, copy.deepcopy(d["keyring"]["entries"][0])), | ||
| "entry k1 missing": lambda d: d["keyring"]["entries"].pop(0), | ||
| "entry fingerprint corrupted": lambda d: d["keyring"]["entries"][0].__setitem__("derived_key_fingerprint_hex", "00" * 16), | ||
| "compressed as JSON int": lambda d: k1(d).__setitem__("compressed", 0), |
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Violates team rule 'Avoid unsafe type assertions': Detect cases of unsafe type assertions. These do not perform runtime checks and can lead to unexpected runtime errors. Recommend using proper type guards instead.
Prompt for LLM
File tools/test_encryption_verify.py:
Line 79:
Violates team rule 'Avoid unsafe type assertions': Detect cases of unsafe type assertions. These do not perform runtime checks and can lead to unexpected runtime errors. Recommend using proper type guards instead.
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Crypto/protocol expert-panel gate — PASS (SHIP)Ran the mandatory crypto/protocol expert panel (bug-hunter, security, code-craftsman, catchphrase) at critical stakes against head No blocking findings.
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Adds CI-verified k1/k2 fallback and derived-key fingerprint-selection vectors.\n\nTests: python3 tools/encryption-verify.py --require-seal
Summary by CodeRabbit
Documentation
Tests