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-zencart-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 10:00:32 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 2f87833f224557c4ab9edd13c9bb58239cebd058 * md5sum f90102a681cbd47ebf0e45843198fef6 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) iQEcBAABAgAGBQJSc3u5AAoJEIXCXpWhbrlNTvQIAMRQOsp+A1+yf90hlfHFPoyj lNuyjoMg0aSHxvLfDCP4uAxXwejjHk2b6lbx7Y0kDz5OcZkJMRBJ6Hosytv1+HZN HIqNTbJZVQ6a4rm2b6fdBE/8LaaV7XKhyMzX14I3hSUGhlDciq8Vml3NAPlTi0nb PSZIhKoL8jem+9bRKptggYd8IsQH1hQQJe/yE7TlT7iPcTNHpGm7A4uGXYTKrRpM J3+xJWglCgkbbj/l9cUT2N39X2Ms/+mHL7KaL1fWBmEGUTWpDVKycDLe8Tq/uM1O G/YtD5+/7OjjpXMgQ+bvgSRcBgjVLERdZqqRE6/vhdZ17jym/+9xtFCU6d7TASA= =9UaP -----END PGP SIGNATURE-----