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-ezpublish-12.1-squeeze-i386-ovf.zip.sig gpg: Signature made Tue Jun 4 21:06:02 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 90124095b20911cedbc51cdd7b6a21e84f219c0b * md5sum 2ddc23af601a7d5b5701c7e8367611f9 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) iQEcBAABAgAGBQJRrlaqAAoJEIXCXpWhbrlN9gcH/j2Tbl5m8qIctZ2CYing9j1H n7LsblHsyMBK8kGfZ040e5RUj1KSRFEi3VzEyuqiNi3KyE4B/o7mA+G6kx40WzRJ FSdwhes6pLv2etzI0OpEisw4E9LpLYotGC87SMJyPRs+m1+sGQjI6e02ZxcuJxta Js2qFuhweh1E478aTFRkBoPWY2gB7lSyDdIN59LTSfohD3T2V607Yr2XN9h5uvyI 8M2yNwRAs5i4Y2VratYF/preSPWYqtrHQHvl4aR+aFIv5GgPM4OwCVVPOc6JhNJM iA7GoKXOnWASOzdbnokWp4hBmIA4oECan1RODlkTmiUe9hhBFUewi9Wxf2i4pmY= =3hS8 -----END PGP SIGNATURE-----