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-limesurvey-12.1-squeeze-i386-ovf.zip.sig gpg: Signature made Tue Jun 4 21:47:53 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum c36353d722f215021d89efef86d318fc0dbcb5e6 * md5sum 62b5ccb855d701acb6e7677074a79a8c 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) iQEcBAABAgAGBQJRrmB4AAoJEIXCXpWhbrlNCBcIAIRARhzgEysRI1A/l4FtTwO2 9ddghw7cEqUBgJ9jhAzDLDm/RDTHXdpxdGM2AW5U+uKKzH+Ab/VlswrQAEcjoFHF YpBAETkakUX5/XGiGFZC6XEdJxNxnwsJ6MKqjaA+mjU36qAj6VrqRuqp3Zj6WEJX iEJTxs4zSArcay597WYEgkJLR/0M77nSUQrbxzRcj+5u37ZA0Ymo7fgoJSt4MXFH lOACPidXXAD17VyaGPC8TthGv3Y3OQ+MW2acHUrAtwfw0rAR7rmMZq/FzwYdXqzZ 4LKyowNdiTzs09dxCEKfxpXEi1Ch5bzavvrCwbbdmj/4CaAIKyrBi9t7QhaZv2s= =vpps -----END PGP SIGNATURE-----