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 debian-6-turnkey-lapp_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 14:14:22 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum d36bca324363a7ddc20375f031cd5fa5ca9e294b * md5sum 8267780406005391ab8e58efdf6103aa 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) iQEcBAABAgAGBQJQM5e4AAoJEIXCXpWhbrlN+yEH+gNP0YHdJ5f3fVo5XOYFuD4f Wkql7HaRorJxy4xjpkI4B5o7FjXqiGRilNgHcGfwPDhv+qxE1puPXHWKFAdj9x+m gaifR6GkU9/WkFqmI9oH40ZGEeLaWpWQiDL3MApkMBtyRj/TUfwV+Bh+Q40jlfPb plHbCDnHoBo9ji4e/jSUIPQlKPdy4ksJ8lIYrhNO8khBIEYEvVVJK95TBmPN4wkr l9Ku+tr+NAkuFMlcME4QXw9jaIrUR+OprQthr+6EHU9sN26+czo/3X1t0SvFwERZ WfSaJyjHfJeZLJVuXJYdlH+JkE069Nr+j2wNhbX0YVUwizJWMFxIkYD8k8g5aLk= =W6hH -----END PGP SIGNATURE-----