-----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 debian-8-turnkey-tracks_14.1-1_amd64.ova.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 debian-8-turnkey-tracks_14.1-1_amd64.ova a194e15c1a005f9c3316d96791f34546 $ sha1sum debian-8-turnkey-tracks_14.1-1_amd64.ova 86f69f990841a218d506f083e71192b140725b15 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnvAAoJEIXCXpWhbrlNVZcIAKHBM9kwmkZgpg0RBdFqxUNY pbYK0bPom57cgzkN1/0QNPoFuYZU0cwtO9GbT1vG+tc+6iCgzRlwH+cOlyqaLdtB cbOLWbKbBCvIIW8uK9YxTexFl+KMEsKPzJLeWfawE0T4Ho/5N9d2Ghozda3FfehP igwEZ3WIULmKUAeadBWYW0VWH9a4OwVIYze1r4AFsSG8X5DXx0k2GFNs06Gs4T4o imPy9Y6tFiP+GZwQE1MpDkr7p99Zn/8CI7j0zmN5yMvYOrnHHRqi9kXPeqjuStBh WECwR0UGfOqDKgk+uiktPTWl2ZRIK4nn/MXRVMrdqAOqfCgM+F7n/2bTFqmhOGA= =gGTe -----END PGP SIGNATURE-----