{"id":"ekm-double-encryption-symmetric-keys","text":"Cloud EKM symmetric encryption uses both internal key material (Cloud KMS) and external key material (EKM) — losing either makes data permanently unrecoverable.","truth_value":"IN","source":"entries/2026/03/11/kms-ekm.md","source_url":"","source_hash":"7d83508956eb12e9","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"ekm-double-encryption-symmetric-keys","truth_value":"IN","reason":"premise"}]}}