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-openphoto-13.0-wheezy-amd64-openstack.tar.gz.sig gpg: Signature made Wed Oct 16 09:42:09 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum f80c0fac022ec14c9bde3b574ab64eb1d35812f3 * md5sum 81ec476dd7b24e96d1cf266004dbed84 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) iQEcBAABAgAGBQJSXl9mAAoJEIXCXpWhbrlNg1EIAMvTKuhPFWDP+k0WjEGmOmJI 3g7i8ds3XCLaX1iFavOhhrNlMUsJyZE7gQL9lz8TlnJi02/4d18WyIWWl53r27ei k61FZK3BU3RaZK02uvry94w3Ok9gdKY8u+YLV3RUybfJTMhHasng8YQQ8/oF56aS Dl53SVWnAm2za434UidDhJqrezQ5wT1z6mzlbzpXt1QZjMs5AGGDrILYbf0xCHos ubt9cb1Tlk5Dtrs4q6qEvuaf2eSxUOa0aOYudmzC0qeU551DzvzRCrn9RFEpDuyd jZKiZmil/+ivhp2DL2lf8ejfb1Z/4D+U3myDUfnIJxkI3qAXHs3So2rxcTuOgTo= =K9hq -----END PGP SIGNATURE-----