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-deki-12.0-squeeze-x86-xen.tar.bz2.sig gpg: Signature made Tue Aug 21 15:24:26 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum df5d9896f3cbb0609f29d23d08448c8850721478 * md5sum 4cb4ecde2e51b479617bc8428c26174b 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 v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJQM6geAAoJEIXCXpWhbrlNkqgH/jJQjWtqHIUhGk+stlG6FyQo oUoZwhW0JqHMzSSz0QSKdVRP1n/CVKYP0lwYJ87iOldUh8hWcWjAgwY0vlonCJol qffmwGcoNtmeQeMeNkStITD6JuAdrv8Qc9vV6QTC2auhWHJXVQP9s9H5WF/WyVKD 574Hw+SBIgW9NbBs67vhN3g8SlrwdBZWlWf8JqOA9/0zaLbGPi+rWiSWk8lx7LMp uEVdoYeWDOokvRTjImoj0UJnOlZIcn2ShYf3yjvRVhzSJ+LZzdxeAFKxO2UCzmIr BBnCgSdsYiKw4qKgXxIEqrye2hUOHomIqVpwje/RvPOdxymSmTaRu9NybMHQX6U= =/r2V -----END PGP SIGNATURE-----