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-pligg-12.0-squeeze-x86-ovf.zip.sig gpg: Signature made Tue Aug 21 12:13:50 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 63e8b24bb66c42210fbaca7256ea9750021bf79f * md5sum 0003a224dce661501b58ea3b7ab05e39 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) iQEcBAABAgAGBQJQM3txAAoJEIXCXpWhbrlNLeIIAKbTg0GGcgp1r64Y9cku1dyL yIuSr5ZjtpEa6Le40sQmtfNJd2ZJxcyJ/6+k8VfMP24fjLHZfXURufKRt+0ivh8C VIVVpPBydUvURBHo+LcXWrmuRoGvDaWz5TtBbMWNSRjFdpfLGuY6VfTS+FN1ZJ93 JnFUfbsNYU35B1rrhk2xBf1Yr5sH4mXfs+y2yBRSmCCpH4DhyQUyuMoJig/LMzEV e/XXk6HnFiVCgWreR2iC2RreQHOzc+l4tpoWnOEtqhBW7RwXIUkqbrpkNy+6dp9Z TvYQedKc5KqM0LkdxcheXxJovhQa10iGnRb79IyVF33CsJpObatQWYN0KzF1oOw= =8KcO -----END PGP SIGNATURE-----