{"id":"gcs-cmek-three-backends","text":"CMEK supports three key storage backends: software, HSM, and external (EKM).","truth_value":"IN","source":"entries/2026/03/10/gcs-encryption.md","source_url":"","source_hash":"6f7450ce9bf015e7","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"gcs-cmek-three-backends","truth_value":"IN","reason":"premise"}]}}