Store sensitive files in the cloud, or on shared media without trusting the host. LUKSbox is a Rust-based encrypted-container tool with passphrase, FIDO2 (YubiKey, Titan, Nitrokey, Windows Hello), TPM 2.0/SEP, and hybrid post-quantum (ML-KEM-768 / 1024) keyslots. Mounts as a real drive on Linux, macOS, and Windows.