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-mahara-12.0-squeeze-x86-openstack.tar.gz.sig gpg: Signature made Tue Aug 21 15:38:53 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 9719c721aa44d33136427052a6174d2ed3178f3c * md5sum 62dd707133713fd1e7b2dfd759ed8a1b 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) iQEcBAABAgAGBQJQM6uDAAoJEIXCXpWhbrlNcoMH/28OeokZhB3sc/E5wzYF5V31 mLhGTKgekZRc6gdlpt1KTN7R1PPRg1eTSS8oeBDlxKUPRGn/AA6pvS9UvdGda5YF ssnDeEwlMwKTnFKemUh2DfpM7ciu6x6T1dng1jNKbXt5L2xuiGDqerIv1ZNIMyRQ 8c8v7WIUjmBGAmUGCt9xly9iGuycQ1wsCwFQbuMnjNvyEiu8GKJDy5BvCcaBJOWp Y4OlMBV7TG68lZWVNZBwv4S6ailq+j8cICdHoqayxHjcS5G1ce+n8GNQlSUjqVe+ gr8edH5nJrixXUrzZ5kEo5xS/zT0gdOESShJ7kNffbLw+U5InJX7Od+EZE7zWJw= =DbWF -----END PGP SIGNATURE-----