feat(lab8): cosign sign + SBOM/provenance attestations + blob signing#2
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karmihkr wants to merge 1 commit into
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feat(lab8): cosign sign + SBOM/provenance attestations + blob signing#2karmihkr wants to merge 1 commit into
karmihkr wants to merge 1 commit into
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Goal
Sign the Juice Shop image with Cosign, attach SBOM and provenance attestations, and sign a release blob to mitigate Codecov-2021-style tampering.
Changes
Testing
cosign sign --key cosign.key --allow-http-registry $DIGEST
cosign verify --key cosign.pub --insecure-ignore-tlog --allow-http-registry $DIGEST # PASSED
cosign verify (tampered digest) # FAILED as expected — no signatures found
cosign attest --type cyclonedx --predicate juice-shop.cdx.json ...
cosign verify-attestation --type cyclonedx ... # component count matches Lab 4 (1846)
cosign attest --type slsaprovenance --predicate predicate-only.json ...
cosign sign-blob / cosign verify-blob # Verified OK on original, failed on tampered
Full output and analysis in submissions/lab8.md.
Artifacts & Screenshots
Checklist