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-moinmoin-12.0-squeeze-x86-openstack.tar.gz.sig gpg: Signature made Tue Aug 21 15:42:40 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 0a204c2e7d45cf5d51a6551beaf145e4bc11eee0 * md5sum c77a4003cb07781b5f1b01c132587b8d 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) iQEcBAABAgAGBQJQM6xmAAoJEIXCXpWhbrlNZdkH/3QTHZ2U5AWNGv1ApefeknI9 LhBcy5dGXk3KwK0SYwRN2FO3ecQo7KhqjUGDUJomYQZYNpEjhpZErJ4ChIRfDBes BykD6/Aoo3dx/idvWzL7m6Ty30o0KXiTn2nezSh8lgFunOIN8XDdGzLM//7M3/zE 7qIdUQYeJ5rU3dWwmqT/WJpomiRT6TqYQrBrxS+iv8frU7F+2SN63WEr3X7uDAd6 kEViAXUfUXhBkq/8cj9n/mZAzYJJxELsIacb0YiLtL0rFsXw4Q2duUzjKnYv9lnt bV4/qfC8kGSmo2PGZTXGFrdLF9hkVxf2uEf/9dECyiuIZ+yNYBk5FIUlFtjUQn8= =cn9S -----END PGP SIGNATURE-----