-----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-phpbb-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-phpbb-15.0-stretch-amd64.ova 5988e6f814637e33ae9aa4b329916dde55d7d1e97f0997be031616bb34cb3c7d turnkey-phpbb-15.0-stretch-amd64.ova $ sha512sum turnkey-phpbb-15.0-stretch-amd64.ova 9351e7c44c142306e6a902ccdc240053b7b0cec045a7e5957092bfa11919ccf73c4f66fe40fa639f5f85d6c9256e9d67195279db95c3092320e38c8b7eb57ea9 turnkey-phpbb-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-phpbb-15.0-stretch-amd64.ova.hash turnkey-phpbb-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-phpbb-15.0-stretch-amd64.ova.hash turnkey-phpbb-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM++cACgkQhcJelaFu uU1AuggAyL+TowKg3Nsv3yf0IOy4gaRPmT06QRng155wcNE1yclQs/hTcxm6x5LP xRQuUHJ948qaNEhGHFjmfelpe5XrFI0GWv/ppejBh5f93D9/mVLqTiHNzzr/oniU N59yjd3Yp/SD5Dgxi4BwOQBDC3yfYjGRgwjWMXlOfbbM/2gLxqliHsxpgi/2MW53 ONa5/USxdRJS71ZNog7F5hgRVszTuXtU08Go0rrj2iyZ4aiX0xJTKAbnFXmHCZIW iVv5yY//Y3QshyR6EifHIEsEM0LhAGG2hnfatLDufuNBgGYKbGs2JM7pq1EUgLym 3AINM3vUkMRR9H2kptOtjRAxn2Sr4w== =gUuy -----END PGP SIGNATURE-----