-----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-vmdk.zip.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-vmdk.zip 468496a224617bc9ca42d1fc444d351d $ sha1sum turnkey-openvpn-14.0-jessie-amd64-vmdk.zip af61bed4faf2a2e715c04f300bc98d34ee3836fb -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdYAAoJEIXCXpWhbrlN/T0IANlnQjsbcukWc/C0o6/pbkFu oE2y4roFj8uWg++/HL3K66Bc3HsXjTJ0fI+//RDpxUvBjqXyBobszsCDSiP4wUs0 X+xbQ2wfVOXAqchxuAk8moVHtrgfNnBQ4B3m7DVFLo4dSgV0tRkZOOLq5oBNifkO I4KCV2fvq/z75dl6o2oMt7ZL9aa4u7qSessziS385PPR21GfNtfZUDy5KZEBC9eh +ZUo9DU+yMtJcOg0VILyDl+CKYPhYvxhlde47yDhcVh3fJChGmfMReOrz3So5Jn0 YB8yH/G2iiN0VxEw/9JqBW05cXN25U8DpplSjQ9Ue4bBM5CgyFwP4cN3TUUo0EI= =2ACX -----END PGP SIGNATURE-----