test: add ECDSA activation regression coverage

F-GO-ATTESTATION-004

Public snapshot: 26 Sep 2026. Status, releases and attribution belong to each source below; none is inferred from another record.

Recorded evidence

—score not recorded

google/go-attestation #496Testing / fuzzinggoogle/go-attestation

test: add ECDSA activation regression coverage

merged

details

Finding IDs: F-GO-ATTESTATION-004
Status: merged
Note: merged on 2026-05-19 as commit 33eb399; adds activation_test.go coverage that CheckAKParameters rejects ECC AK public-key parse failures and invalid ECDSA signatures after the verifyECDSASignature fail-open fix.
PR opened by: @1seal
PR state observed: closed; GitHub merged: true; 2026-09-24
PR observation basis: Public PR metadata recorded in the 2026-09-24 evidence audit; not a live status feed.
Contribution boundary: @1seal opened this PR; this alone does not establish sole code authorship.

F-GO-ATTESTATION-004: Verification failures. Regression coverage checks ECDSA key extraction and invalid-signature rejection; it is not an additional vulnerability. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.

Mechanism source for F-GO-ATTESTATION-004

Security area (1seal assessment): Identity. Regression tests reject invalid ECDSA activation signatures and malformed attestation public keys, protecting attestation identity verification. This is test coverage, not an additional vulnerability. Reviewed 24 Sep 2026.

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