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-12.1-squeeze-amd64-vmdk.zip.sig gpg: Signature made Tue Jun 4 15:20:44 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 48cd8b362b0c9410ce32c54504ef44bb2f65cbd1 * md5sum b9c4f087eef86185efff28c46556cd25 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) iQEcBAABAgAGBQJRrgXEAAoJEIXCXpWhbrlNjhQH/02YN7hfvA6uw4uhRAqWTbVt MBdw2LuJPs+eqttEyNFowNJmxOyqAhIZ4aGoXOetpZj3oErOb+/DPKT64ejQecUo tImw26JsKnoWrAueiO88X8Wv2kW8RFdCIjFMCh0Oz3uqHqOrMKj4GVSFyjMDuI+D +QYb92wZwgqLdii21noLwZXelTYhcBBJ7l9vHvLNt/1R8zWpty1mbksIubnQjX/z cA+n5ACnT5nXTvk3RwcZbvnzf6khoiL7q8ue5vO5kPmirh2CHvGO5foM0RJm0JE2 fX5NJY8F5xb3cbLlGzXaW0S72Az5RiYrlVYb4po1CLFYNO1Jjjosm0/HkNmL/FM= =3ZqS -----END PGP SIGNATURE-----