-----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-mantis-15.1-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-mantis-15.1-stretch-amd64.ova 99da24ea6a47ce29651980c44a2110dc916b64edaf3e7827157dd6ef6c5948cc turnkey-mantis-15.1-stretch-amd64.ova $ sha512sum turnkey-mantis-15.1-stretch-amd64.ova 7fee411413902c137edc4ea71ae4cfceffeb52beb0d9deb4690487d263132cd5452d3a72a597f442f13e66c3bccbc8cb23de0fa6d4bc1f0c2c1f4850684ac013 turnkey-mantis-15.1-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mantis-15.1-stretch-amd64.ova.hash turnkey-mantis-15.1-stretch-amd64.ova: OK $ sha512sum -c turnkey-mantis-15.1-stretch-amd64.ova.hash turnkey-mantis-15.1-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pigACgkQhcJelaFu uU2u+wgAjutnLC7A+ShmgeuhojPc6sQ+QXjRVlfQF4oraxw0lYbKkugsM17rOwdP a2u6Gsm16g//GMrGrx+7dreCvX+I531yzxqsJz+3+PhhWVIDzjGw7qjC8gvSN7t7 DmxLtFnpNbFYsYAW2o8hQ9GTiw6EvkPaK3RlDGJzV2yVSwhnTrGeKkj41i43Naef NjpTwEcYLI6yCWtVI8flmMIWmraR1y/+pPjhoMugxy2LWS6MT/A2uvktdWIMk4Jm gZk8p7VZuWiZIAp66VG7rD1GOynk4gTUsAQ7aRdYVWWvRTEsIFLoSRnzFJtRqA/r hfWGIgwCb5AFqaGBIoxozOhIP3Dytw== =tG1A -----END PGP SIGNATURE-----