-----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-14.2-jessie-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-14.2-jessie-amd64.ova 898d7bac0974f3a1eff474b5b20149963c0c48a9ebc03f35d3f15dcf61917eae turnkey-phpbb-14.2-jessie-amd64.ova $ sha512sum turnkey-phpbb-14.2-jessie-amd64.ova 0721d3ec406bbcf89894bab72336c0eae607fb5b0711699c633871b77fc8bce848039963121fa780e991d2b5cf4440ea50eb5f6c531174805e81a4676b074714 turnkey-phpbb-14.2-jessie-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-phpbb-14.2-jessie-amd64.ova.hash turnkey-phpbb-14.2-jessie-amd64.ova: OK $ sha512sum -c turnkey-phpbb-14.2-jessie-amd64.ova.hash turnkey-phpbb-14.2-jessie-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZNo92AAoJEIXCXpWhbrlNdGgH/RfOIxelnvd+LcGtItx91Lu8 GKZO8EfaJyr/qpiXjWP78eMDAReyiwflUKjtHOEAkogjwgyjN0L23PL4fIKsDxwx zmkTmhoGNoQEhMx1BpWsHwwzdfws0CVIefzpRJ3x6qfxAn5cuP+1KlSALZy6YsGx zDONtsa98fUhP12c9A9zWeom8Yt5vsQGGa2L4c6z5UinJAqeP+lhMR+poNhLCfhJ Ep6HzNH+L1vOGUkEeBWdSsevVPDDlUL54b9vnyis5jXverXmBHWvbL+ThGj5F5FJ 1RwB1BcVjmsFP5kea/k3bHx7/kknH2DzaMwmYJAoHAPgnZxraZ2h9QOkgfbowAw= =8CiJ -----END PGP SIGNATURE-----