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-tracks_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 14:51:30 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 8bc0ce4d3d86330cbc111fb72df09f310b27d104 * md5sum 1faedff74aa11c9f990814b0006a3c8e 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) iQEcBAABAgAGBQJQM6BmAAoJEIXCXpWhbrlNkx0IAMwKX6oj28jzb0/H226Y1XX/ mUWmtfYWKmVbt8im4po7z2SdtNUcctMxAPanuyC3aBc2QPhy/or3gwixnY5H7+IR n8E/4mUCKTWdewHxVMNXTt8mJBzqIjTijeG045FG8CTiNlEznfMrsVm5z3ntfLAX bgl9h3bwWlKA1BJPwSFhqohcQl2LexPx0pfP4s0i6xhFSt+0V5a4P2DMqlyXD37U 8h2R2UO6IKk7tp2TYXAn+b0cowhWS0Yb5A8Kw1jRiT+R0RYlNE+diFJTKpaH/yU6 4a8FIPwx+PCRJ/uEsuAjuOy51UoZ+YFvm6AQSJskpLbBbqkg/8S2O1pwda336Vg= =K+pI -----END PGP SIGNATURE-----