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-dokuwiki-12.1-squeeze-i386-vmdk.zip.sig gpg: Signature made Tue Jun 4 20:31:57 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 3c865b58f4e8650101d02d145c90b920db55faa2 * md5sum 2fcff9526a74eef2e08a78710b85dfad 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) iQEcBAABAgAGBQJRrk6yAAoJEIXCXpWhbrlNtVwH/ifaC2ogCbDT5tHzjklsKgFe g9hw7faCUHokX8qX0j/CLNqMO5SHISldxHdHBzpuT62MI6MVw5zezV7tUXAEhvN/ Riw8rbTfBwMD6xno+7zpES88WvBmJhsyx86ho3iDwtlkkeMt30yj7vBDZqTNVbsX rgrh+t3GBMMWG4GKjabrxXsliSsioFJWJprNFp08uoV5fl9RBRev1wxUfuMYYi2F tCbD0+xWXEBPALryPYblZrU8OHYB/cI67+uzKceWPf4+XKAnrBCqtC6+S1ljva95 3lSgLgJId6fEd/lHTZjaUDF3Wgeyg4fGVoFM8GGYNgGAnxcKPfBG7oVHr/QiMmA= =nQkP -----END PGP SIGNATURE-----