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-moinmoin-12.1-squeeze-i386-ovf.zip.sig gpg: Signature made Tue Jun 4 22:01:55 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 048d1b3eeb56f89e9b7a09311f135c63587d7132 * md5sum c1fb6f47a85f61745c0643064ca51f2f 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) iQEcBAABAgAGBQJRrmPIAAoJEIXCXpWhbrlNDjUH/js6zpSWHmLtwW+fTYWXFkbE dwRh+xLrum6zKIQmQfk7lWCWEBE8+NFM5yaTyRZTPUXsufjelvdn2vBevrQFYwc0 yWnNfQeBxsyhxZV/r30F1RfRxvId74g8UpR8RXjWCONjME09GY2DTA2mr7covE5m 8E0kh1oHRPxb6zAV9Yi+wcFXofQHipbcXOzU8vnVteI+6Oo7hCOevALrEMBafQ94 JUyKm8zq2ovJEfSRdjBkpfzo1dXyRcHrqOc4+wKTdQwvAgtEbJfDFK+fb5WTD2sh U5J0RyAJmqjzpBpU6K1PGV0ySaAj0HtaYP3hr73P1r0OixQf2NBHHMOgz6C2DF4= =QflN -----END PGP SIGNATURE-----