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-lxc-13.0-wheezy-amd64-openstack.tar.gz.sig gpg: Signature made Wed Dec 18 11:57:01 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum fb0a05dccf13519d9a51e659343ba8a11ff399f4 * md5sum dfb8d5f8bdf90f6d46723a4c1518c598 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) iQEcBAABAgAGBQJSsY2IAAoJEIXCXpWhbrlNUUIIAOTgLxqnJRnXzv4IKm+9b3Rl 6WW3B2Rdm7iDyOe0mTbnMobr/tVAtDj3ZtTPLAiOZwwkbAs/l0f7cybWpUKKMpbt Dv5dNJk3kA6h8Riw6MAzdLkoJPlpw3/L2leLknEZf6qSsvDrp7m2gp1vlpR7aDqY 91Hioe62VFHDRvDdioUCIK+TGVT1IcKENX7G/RQs2vBDq9xOm/cgPoVyC/U6tszq hymHCzK3GtmV6gV6QCwFCKzT9gAJctefctnL2tSTCyXBOyffuljOKZWbW+gZbDAY nMHmMePJUSb3vDL4eshSmYy3sS7ZoVnhXK5WtfgPS36m4hcPKzsv9vjVkuH9lxA= =JfFC -----END PGP SIGNATURE-----