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-vmdk.zip.sig gpg: Signature made Wed Oct 16 09:48:08 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum cb4e034a53717768adc4de472b30c4ed86efad75 * md5sum 6146dc47e8be35fe5418cc5787d0e1cd 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) iQEcBAABAgAGBQJSXmDPAAoJEIXCXpWhbrlNnuEIAJIZso5kUNmFexD2sl61wqaR NLZPS1ciXu5ZUbTjHsu0rrAhykL4jezgncYeIDPs4ZovpeqmH8o5yx238Zg3FT20 jhCiaLzte2F+zzCZOpP1oxVFjrn1aKaTY6+qBnDawrvXerCZ1dWhBZ2PefV0P3Ak q6mOzAUKnP3KZfZHjocbImlS6dNv3j7lcRcbL9Rz82F2Df4SjvlrqICTfQr4MPpx do8ZA0F2GwBsE61R+o81DEe9+TDHrwiiD9wtWd/dulVXRaJGyjIA4d28FYL8Icfh 486lqq+xyWwmhDA+S/IGf2t5aO0n/aL/Erh1vfFPfBL2VQ8ZrH5M9XYQaenu4DU= =taOi -----END PGP SIGNATURE-----