This signature file may be used to cryptographically verify file integrity, like this:: $ gpg --keyserver hkp://keyserver.ubuntu.com --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-torrentserver-13.0-wheezy-amd64-openstack.tar.gz.sig gpg: Signature made Wed Oct 16 10:41:00 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 1482850df621cfba26ac12a3af6091b7a00d3662 * md5sum 159b5e130bfe1f15a71a4abf92264d17 You can calculate these on your end and compare to check for errors, but cryptographic verification is recommended for security reasons. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXm0zAAoJEIXCXpWhbrlNbRwIAOe6qeusMwbJjwlvKDqho0ka 4JGn6+izmremdiY136BKYKznkIcro7dBD/C1idDb/843WF3nA0b2f/uWiDpPh1Q3 7uS4uZrBBcAjW187xcO+cGIw2PkjnSYo2GANRsiJCVU6EnvQ1T80cQjvnEwvjUGa eHLgDeOdCKMsauNYVE4WQUlT2RO3G4m5nPdIdvN+VQEKtRVciwYGMDVKT0J0LIvx OkcoMvN9LNBu2KnBvdfqt1ggXq9U+AT0k1GSpOJ1i2H6kNIc6OthqWCHO2sp65pP DHr+qrpJCAnNXKLNaWiZIyzZpW1EXY+IrA+zJqJrCDbDxc+6FEOzCbVcMQVjJdE= =Iq2C -----END PGP SIGNATURE-----