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-clipbucket-12.1-squeeze-amd64-vmdk.zip.sig gpg: Signature made Tue Jun 4 12:48:44 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b65ea9a5c375114aa05b27b165f3bbcc89923492 * md5sum d3da743ecc15f5612292d2eb8f339828 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) iQEcBAABAgAGBQJRreIjAAoJEIXCXpWhbrlNDscIAL5Xwf15qSUz6S9NrL+YWpRV SCFV/ms+ekQEoXVyXToCuHZKs4NaCPajJr3LiQ9Vf7ijTEXerY2vVEiOdg8W9Yky m0Uwv+F9EjBS0eInq4ddbx2REm4mbrZoujQAknjLMCjCvGcP1zJN48dXwY0DpegJ SmLsQlub7PU0Kby/vIrLIsrSM47sMt9i6/6Oiz6bvvkNyyqxico8woVhG5CuPAgW rdfcscAgwjLsbebplpMXlWscLlYlN/KkEDHC/Q3ulex9olxY4+OUj7VWOgEb/8WP whAxeg4BjPo/2YCAuQ8rwJXO85ygbNBgqVy6WsOCKQTSISE8B4eHhhbuFkCpmSI= =ETKO -----END PGP SIGNATURE-----