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-13.0-wheezy-amd64-ovf.zip.sig gpg: Signature made Wed Oct 16 09:48:18 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 3b558b9582c83f6816191e2d0b2ec7279007ffd2 * md5sum 10ce0c60eb2622f065ddcd23f2786ef2 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 v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXmDYAAoJEIXCXpWhbrlNTsUH/ioRmxSTLIHlxhoGc0t6hhRK bM2qpelfvbckSlLoGk1dyQi+wTrFZvBa5KFYfPO4UhZu3at984ldRS1xm0/QRoej oJs61Xlt5f8OIrQwvuc3jwGDodwNH1v7ut4TkUYv5as5vvdfWd1N3TJzsShT6+Lu I0vI9Ps4/w2YxE8UqJKfamBPRZJodlMSkpbc4DFznOF9UDfKKcVgT1nMW2lshpYW KYN2/NuhLX6e5l5+S72wO+dBgjAgoZbYjOaUm6hk7dxYGQreF+ODmdMK2XZhprX8 jE0FjYOW4QqqcBCD7oWuMlCP9YNNyLA6W2Hzn3CQoyYYZCuI1XbcZ0hAlarHfZE= =s31y -----END PGP SIGNATURE-----