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-mantis-12.1-squeeze-amd64-vmdk.zip.sig gpg: Signature made Tue Jun 4 14:08:48 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum bea3d74d2caa98ce4d883cbd53aae49f3549cdb2 * md5sum 81fa529089988d621ca8a0a60982e443 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) iQEcBAABAgAGBQJRrfTnAAoJEIXCXpWhbrlNGBcIAJ1gxtuzU57+3vKbdLTrDog/ xKDy3oFjwqdG2CMeD1WM3e348i8iyO6OOLTom6hQHuG1PR93Bl4v6K8mT9mAsU75 wjOSrunAosw9qb6izIftOw3w29nq1UEPo9OotdbitdfvE32KmtumnyNRDBeVj8VG ODpudhXNHIvaqRuE7dlRf7F58gb9Or/bJhxKZ2cwkHaYJA9BYWNRCB4QiEhFcdzz qS0fFRGETWJrk/diFEBRXNmixrqzOszYLrgbs5DJqGVp3ghXsXaNDghy4pyK++L9 qc3PRPzUXmL8hgI5vA8Yw+0BmewZW156QT6IWNKM4d/yh8xAaYtpdKQ0Cod2y/U= =wfpq -----END PGP SIGNATURE-----