# SHA‑256 sha256sum /mnt/storage/firmware.bin # Expected: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 If you have a GPG signature ( firmware.bin.asc ):
gpg --verify firmware.bin.asc firmware.bin The job file can request this automatically by adding a gpg_signature field: Gxdownloader Boot V1.032
"id": "firmware-2024-04", "url": "https://firmware.vendor.com/x123/v1.032.bin", "dest": "/mnt/storage/firmware.bin", "bytes_received": 10485760, "checksum_state": "partial" # SHA‑256 sha256sum /mnt/storage/firmware