-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 To ensure the image has not been corrupted in transmit or tampered with, perform the following two steps to cryptographically verify image integrity: 1. Verify the authenticity of this file by checking that it is signed with our GPG release key: $ curl https://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify turnkey-otrs-15.0-stretch-amd64.ova.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-otrs-15.0-stretch-amd64.ova 43cc5728276ea81cde7fa897416ffa43ab029103ec12b84a8044ad42b560d6e1 turnkey-otrs-15.0-stretch-amd64.ova $ sha512sum turnkey-otrs-15.0-stretch-amd64.ova 9ba1bcc1c1928f61e90baa396f5184aec020502987424ed9a7ebf8b7d0a1f729e8113ddbc915f8fc63c689fa305f4104aae97defdf903f7e21f8c3d1b8469cef turnkey-otrs-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-otrs-15.0-stretch-amd64.ova.hash turnkey-otrs-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-otrs-15.0-stretch-amd64.ova.hash turnkey-otrs-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITPsACgkQhcJelaFu uU1q/wf7Boir8NkFJKdD/ZoYkeWkteqPT93JExLh3k3aQIYwBAJcK5IJDMJOsd6f SUungf+abTeN3m+gc34T7qu1ee1tRvBlesgd+3Fi/KwmzvFKyj78CLBK30qWak5Q 59jqyiDAHci2XYRwc4IY5k9f6DjM6SG3OR0KpykU7OV7gtYgvIAwSKW/xcvCHttX 1FgKyHljJQEPBaW4n+DJMWHJv/YLdDoz/0R1T8CjJZ8hbm9jUPNsFmW5m7Q0rKFQ K01xy4EhaD1Qn98Z8G4iJRjYbJa0XY9nCaZoH25PGIPPz4V3TJ2z8giZtbROaprq AzJ7focNELZD3RWu2Q4zbqFBxo6X0g== =rD3P -----END PGP SIGNATURE-----