Validación de firmas y atestaciones de imágenes

# Verificar firma (omitir el registro de transparencia para registros privados)
cosign verify --key cosign.key.pub --insecure-ignore-tlog \
  abyvtgonprm27.azurecr.io/vantage-installer:2.7.1

cosign verify --key cosign.key.pub --insecure-ignore-tlog --allow-insecure-registry \
  abyvtgonprm27.azurecr.io/vantage-installer:2.7.1

[{
  "critical": {
    "identity": {
      "docker-reference": "abyvtgonprm27.azurecr.io/vantage-installer"
    },
    "image": {
      "docker-manifest-digest": "sha256:a4190ad9d5289d7ad2d02d05749c10713a7aac217e8010b5e4ef15161b181c94"
    },
    "type": "cosign container image signature"
  }
}]

# Verificar la atestación SPDX
cosign verify-attestation --key cosign.key.pub --type spdx --insecure-ignore-tlog \
  abyvtgonprm27.azurecr.io/vantage-installer:2.7.1

# Verificar la atestación del análisis de vulnerabilidades
cosign verify-attestation --key cosign.key.pub --type vuln --insecure-ignore-tlog \
  abyvtgonprm27.azurecr.io/vantage-installer:2.7.1

# Descargar y extraer SBOM SPDX
cosign download attestation --predicate-type spdx \
  abyvtgonprm27.azurecr.io/vantage-installer:2.7.1 | \
  jq -r '.payload' | base64 -d | jq -r '.predicate' > sbom.json

# Descargar y extraer el análisis de vulnerabilidades
cosign download attestation --predicate-type vuln \
  abyvtgonprm27.azurecr.io/vantage-installer:2.7.1 | \
  jq -r '.payload' | base64 -d | jq -r '.predicate' > vuln-scan.sarif

# Ver metadatos del SBOM
jq '{
  name: .name,
  spdxVersion: .spdxVersion,
  creationInfo: .creationInfo,
  packageCount: (.packages | length)
}' sbom.json

# Listar todos los paquetes con versiones
jq -r '.packages[] | "\(.name) \(.versionInfo // "unknown")"' sbom.json | sort

# Listar paquetes con identificadores CPE (referencias de vulnerabilidades)
jq -r '.packages[] | select(.externalRefs[]?.referenceType == "cpe23Type") |
  "\(.name) \(.versionInfo // "unknown") - \(.externalRefs[0].referenceLocator)"' sbom.json

# Mostrar paquetes con licencias declaradas
jq -r '.packages[] | select(.licenseDeclared != "NOASSERTION") |
  "\(.name): \(.licenseDeclared)"' sbom.json

# Ver metadatos del scan
jq '{
  version: .version,
  tool: .runs[0].tool.driver.name,
  toolVersion: .runs[0].tool.driver.version,
  resultCount: (.runs[0].results | length)
}' vuln-scan.sarif

# Listar todas las vulnerabilidades encontradas
jq -r '.runs[0].results[] |
  "\(.ruleId) - \(.level // "unknown") - \(.message.text)"' vuln-scan.sarif

# Mostrar solo vulnerabilidades de alta gravedad
jq -r '.runs[0].results[] | select(.level == "error") |
  "\(.ruleId): \(.message.text)"' vuln-scan.sarif

# Instalar sbom-utility (si está disponible)
go install github.com/CycloneDX/sbom-utility@latest

# Validar SBOM SPDX
sbom-utility validate --input-file sbom.json

# Generar informe de componentes
sbom-utility query --input-file sbom.json --select "name,version" --from "packages"

# Crear una vista de árbol de dependencias
jq -r '.packages[] |
  select(.name != null) |
  "\(.name)@\(.versionInfo // "unknown") (\(.supplier // "unknown"))"' sbom.json |
  sort | uniq

# Buscar referencia de artefacto de firma
cosign triangulate --type signature \
  abyvtgonprm27.azurecr.io/vantage-installer:2.7.1

# Buscar referencia de artefacto de atestación
cosign triangulate --type attestation \
  abyvtgonprm27.azurecr.io/vantage-installer:2.7.1