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-phpnuke-13.0-wheezy-amd64-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:23:19 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 24a6df277c2ae28561935ab82aa47efbb198252e * md5sum ebb0475ed4a9deb16797543dce714dc3 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) iQEcBAABAgAGBQJSc3MBAAoJEIXCXpWhbrlNdNUH/24JFJhNBc2P76ypOnlCTkkL 2WZ5bw11FXXgjl/oPenyzMF/gluqzadzaj5LAxaWHZXlCAleYp9SLURHhxskeW/I o8VmiPg2IaA+lXChVuZFGWXU3NuHkyxq2A/yt9aiWTXgKd9zLGb95RoslsZ38TqB mqAwWGlDUhHsnaW4tMtkwKjAeDMbkI5d7HpzVZT8liJlZHF/ni0rlopuzI4CDd+N iyIkKDKajyPmaOiACAki06AR4RkAzjwwQ9Fq4gHRicjGGVjCIv2RwhmfueRQXO8p /dYFVcdDWrBjIDfNx0xVAbkPUsI3hyu5dd77vjTzJIc1ZX3FHP0Z9jLOvNn8vC4= =0SoA -----END PGP SIGNATURE-----