fix: move embedded-VC temporal checks out of VP integrity into status - #166
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…nto status The VP integrity fragment (w3cVpSignatureIntegrity) previously judged embedded credentials via verifyPresentation's credentialResults, which fold expiry and revocation into each credential's `verified` flag. That surfaced an expired (or revoked) embedded VC under DOCUMENT_INTEGRITY even though temporal validity and revocation are DOCUMENT_STATUS concerns. - Integrity is now strictly cryptographic: it verifies the holder proof and each embedded credential's SIGNATURE via verifyCredential (signature only), never its expiry/revocation. - w3cVpCredentialStatus now checks each embedded credential's temporal validity (expiry / not-yet-valid, honouring v2 validFrom/validUntil and v1.1 issuanceDate/expirationDate), next to VP expiry and revocation. Closing this gap keeps an expired embedded VC caught after narrowing integrity. - Per-credential status outcomes (revoked / status-error) now carry the owning credential index, matching the temporal and signature messages; the missing -issuer message names indices too. Adds fragment + end-to-end (verifyDocument) coverage: expired, revoked (StatusList2021 + Bitstring), not-yet-valid, status ERROR, holder-binding mismatch, unresolved issuer, unsigned, and embedded-signature-invalid. Documents the layer split and the statuslist/2 (BitstringStatusList) test indices in CLAUDE.md. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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📝 WalkthroughWalkthroughThe VP verifier now separates cryptographic integrity checks from credential temporal validity and revocation checks. It supports VC v2 and v1.1 temporal fields, reports credential indices in errors, and adds coverage for StatusList2021, BitstringStatusList, issuer resolution, and end-to-end validity. ChangesVP verification
Estimated code review effort: 3 (Moderate) | ~25 minutes Mergeability Score: 🟠 High · up to The verifier can still mark a presentation VALID when an embedded credential has malformed temporal data or a credential status without a type, potentially bypassing expiry or revocation checks; merge readiness is high risk until these cases return a non-VALID result. Unresolved-issuer diagnostics also need to preserve credential indices. Possibly related PRs
Suggested labels: Suggested reviewers: Sequence Diagram(s)sequenceDiagram
participant Presentation
participant w3cVpSignatureIntegrity
participant verifyCredential
participant w3cVpCredentialStatus
participant StatusList
Presentation->>w3cVpSignatureIntegrity: verify holder proof and embedded signatures
w3cVpSignatureIntegrity->>verifyCredential: verify each embedded credential
verifyCredential-->>w3cVpSignatureIntegrity: return signature results
Presentation->>w3cVpCredentialStatus: verify temporal and revocation status
w3cVpCredentialStatus->>StatusList: check indexed status entries
StatusList-->>w3cVpCredentialStatus: return status results
w3cVpSignatureIntegrity-->>Presentation: return integrity result
w3cVpCredentialStatus-->>Presentation: return status result
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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Inline comments:
In `@src/verify/fragments/presentation/w3cVpVerifier.ts`:
- Around line 379-388: Update the unresolved-issuer handling in the
W3CVpIssuerIdentity verification flow to preserve each issuer’s index alongside
its DID during resolution, then include the index in both the returned data and
reason message. Adjust the unresolved issuer test to assert the reported index.
- Around line 294-300: The unsupported-status detection around the statusEntries
filter must also classify entries whose credential status lacks a type, so they
cannot be silently skipped. Update the ERROR path to include the affected
entries’ credentialIndex values in its message, while preserving the existing
handling for explicitly unsupported status types.
- Around line 260-272: Update the embedded credential temporal checks in the VP
status verification flow to parse and validate present validFrom and validUntil
values before comparisons, returning a non-VALID DOCUMENT_STATUS result when
either is malformed; apply the same validation to the VP-level validUntil field.
Use the existing status result shape and preserve normal
expiration/not-yet-valid handling for parseable dates.
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Fix all unresolved CodeRabbit comments on this PR:
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- Create a new PR with the fixes
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📒 Files selected for processing (3)
CLAUDE.mdsrc/__tests__/w3c/vpFragments.test.tssrc/verify/fragments/presentation/w3cVpVerifier.ts
Addresses SonarCloud + CodeRabbit findings on the VP fragment pipeline:
- Reject present-but-unparseable temporal values (validFrom/validUntil) on the VP
envelope and every embedded credential — `new Date("garbage")` is an Invalid
Date whose comparisons all read false, so a malformed validUntil could pass
DOCUMENT_STATUS as valid.
- Treat a credentialStatus with a MISSING type as unevaluable (ERROR, naming the
index) instead of silently dropping it and skipping revocation. An ABSENT
credentialStatus is unchanged: it contributes no entry and stays VALID.
- Report the credential index (alongside the DID) for unresolved issuers.
- Replace the nested ternary in the integrity failure message with a flat
if-chain (Sonar S3358).
- Extract findEmbeddedTemporalError so the status verifier's cognitive complexity
stays under threshold (Sonar S3776) after the added temporal checks.
New tests: no-credentialStatus -> VALID, typeless credentialStatus -> ERROR,
unparseable temporal value -> INVALID; unresolved-issuer asserts the index.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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## [2.15.2](v2.15.1...v2.15.2) (2026-08-13) ### Bug Fixes * move embedded-VC temporal checks out of VP integrity into status ([#166](#166)) ([66da040](66da040))
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🎉 This PR is included in version 2.15.2 🎉 The release is available on: Your semantic-release bot 📦🚀 |
3 participants
Summary by CodeRabbit
Bug Fixes
Documentation