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How to Create and Verify a Provenance Document with Github Actions #459

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sheesh opened this issue Mar 10, 2023 · 1 comment

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sheesh commented Mar 10, 2023

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jamonation commented Mar 27, 2023

Drive-by comment -

edu/.github/workflows/build-terminal-image.yaml

Lines 85 to 87 in dcb111b

    
                 - name: cosign attest sbom 
        
                   working-directory: terminal-images/${{ inputs.image }} 
        
                   run: cosign attest -y --predicate sbom-x86_64.spdx.json --type spdxjson "$(cat image-refs.txt)"

shows how to create an attestation for an SPDX JSON file here in the Edu repo.

On the verifying side, the following command verifies the attestation:

cosign verify-attestation <registry_url>/<image> \
  --type "https://spdx.dev/Document" \
  --certificate-identity https://github.com/chainguard-dev/edu/.github/workflows/build-terminal-image.yaml@refs/heads/main \
  --certificate-oidc-issuer https://token.actions.githubusercontent.com

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