本演示展示了如何使用 Sigstore 验证已签名的 SBOM，以在 Kubernetes 或命令行中对照 text4shell 策略进行检查。
cosign verify-attestation --policy policy/text4shell.cue --type https://cyclonedx.org/bom --certificate-identity-regexp=.* --certificate-oidc-issuer-regexp=.* ghcr.io/chainguard-dev/text4shell-policy:main
chainctl policies create --group $DEMO_GROUP -f policy/text4shell-policy.yaml
kubectl label ns default policy.sigstore.dev/include=true --overwrite
kubectl run text4shell --image=ghcr.io/chainguard-dev/text4shell-policy:main
kubectl delete pod text4shell --grace-period=0
chainctl policy delete -y $(chainctl policy list -o json | jq -r '[.items[] | select(.name == "vuln-cve-2022-42889-text4shell")][0].id')
kubectl label ns default policy.sigstore.dev/include-