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-core-12.0rc2-squeeze-x86-ovf.zip.sig gpg: Signature made Wed Apr 11 13:53:10 IDT 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 338d3624a148da4bfa2ceaf8b83f9257134d1da4 * md5sum 38fe4f45011a559635f78b648636a9aa 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) iQEbBAABAgAGBQJPhWKSAAoJEIXCXpWhbrlNrTAH+N2DcOAH0uEz37Ls/O7xYlOW bSo7tAEU0+E5gObSzn0NArwGwuGJfjuy6aXKCXlqZ3OQi0QhRH3jAZH5W1g7+7mT oZq7jQh67+iwzJLDPJK4TB79ilymjDgOojaoPRVIsNKVvgSANtpry9cm7yVOvU2n xH5O4tbkQ1+AHYOmPfu8XojpFztn1EhPKG/IOmswMKZWAlYmJw2FHkj6j4MhPnuS KDqDbPfVXep/uWipg++/5X0sHjBmyZVHDZkp7rSzgkpfvQNoqhYtrM5EMJFWSSPB oNEGGFF4LNxUK9w2VQrC+E0tF+oSeFjFLOpEf4rCiXA3bj9QVxmUtrxW+Ywy8g== =I3TZ -----END PGP SIGNATURE-----