-----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-domain-controller-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-domain-controller-14.2-jessie-amd64.ova ad02d4e72be6ef283af626a559306e027e4941dea7122e48c820dda84b875a9e turnkey-domain-controller-14.2-jessie-amd64.ova $ sha512sum turnkey-domain-controller-14.2-jessie-amd64.ova bbdd1a660a1077c809fa6dc7cb6e1e1420f22ffa61db2ab3b3fc17addce1442f550f08b653567b324d53234c0670034622e144c788cddebdeb35a986751f4283 turnkey-domain-controller-14.2-jessie-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-domain-controller-14.2-jessie-amd64.ova.hash turnkey-domain-controller-14.2-jessie-amd64.ova: OK $ sha512sum -c turnkey-domain-controller-14.2-jessie-amd64.ova.hash turnkey-domain-controller-14.2-jessie-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZfb15AAoJEIXCXpWhbrlNaRMH/A1tQ08uDRLAexRaripImMLO Lk3ICnokFHna0muDGlbD67xVSkJ6F3Un+VGsXyRU421M4MjJZP6t7GecEpyLWAQd nifUM4jKjgBleZS4j42cF0BKZM/Jefy2JtzovNgGz9juL7/rpjoppLY1XqIK7Rld dvBzX8/c8t+OjsvQ7IawMh7Oa7MORS6CEPBLVnyEBCbr6INK4vWX4J80UjpjDoDV Twx/tF98hNj+R1av3lSJyepwhaGQ9PIGaRVqNkO0KscwRH6504zhAEVFksC+rDN3 IyffBidhrf1NPf8wgapJcduguGOcFVhsyf+Cc20pHzkjRcFbdfDgpQ6Sju2GBWk= =e8lS -----END PGP SIGNATURE-----