-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Two steps are required to cryptographically verify image integrity. 1. By verifying the integrity of this signature file, you can be sure that the checksums included in this file are valid. $ gpg --keyserver hkp://pool.sks-keyservers.net --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify turnkey-openvpn-14.0-jessie-amd64-openstack.tar.gz.sig gpg: Good signature from "Turnkey Linux Release Key" 2. By calculating the image checksum and validating the hashed value is the same as listed below, you can be sure the image was not corrupted in transit or tampered with. $ md5sum turnkey-openvpn-14.0-jessie-amd64-openstack.tar.gz c933886cefb4164d8864681bc4eb88c9 $ sha1sum turnkey-openvpn-14.0-jessie-amd64-openstack.tar.gz df641c827167df0aaaa1dd634ead1ee1a6b36fce -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG+AAoJEIXCXpWhbrlNa5sH/jdtBbOezHG1vJdVMVrlkEHl 6O9EK++zawRq+FRzV5jKzTHJt7+oY3eLmVRIs/W1H1ZvfWAgYWo34Hly9iVsXaDH jPHcpcqwvWzFH7ahNp2g0jBvNXEHJ247X8t/7n5ncjhhg16KJa7XDB2iYEqZ0N/o iS4rjZq52ViJAama2QnKoprocw5jZHF3dn9Z8IQYYrLdcM7Vk+XGK7m4PyZkdYrv LxszwiECVVamZIryoQ0Qjqbm9GR5QUlOEv6K6qD9fuJnQRAVJK70ch/kVK8Gec3z Ls4EyUmOdl5g+dsbHzagcOP9nOS9J2uuun1yFwzgG8kNSw51DGshkKxdNpcJoe4= =xEgB -----END PGP SIGNATURE-----