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-domain-controller_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 13:40:13 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum ca6edf3a2286626050606d0b14cbb04457958fd7 * md5sum ce3c9f250949986904419d2732fb104d 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) iQEcBAABAgAGBQJQM4+zAAoJEIXCXpWhbrlNZIIH+gJHE7inbmBoiDbdkFHFWTzv uEgwIACwKyndVeve4AZ+QYgBG/NFVPXdXjtdoZAUVX9kXWqpMjS7Ej9Ec1FkSkp0 O8c94JRZeoWrebIv2+0y5WY62LurFbRMRwwEOdLOc8Q6w7rb61FKJulYhph6QDK3 Ft7wJVaO8+6tnbTdsE0C2sVGM4+vGwq5CNMLSeOSUz5d7oZ8FaGYh65mCd2fIzfL 4kTdn/Cm4Z1/nqJuFYPZqukPUJgzg48P6WI1E5EJImEssNsm5ogZz09PXoa0nDqK H2V9j1cC/dFOO8D/z5nECP6dHtsmPdP0dGVkcJvRLEWJqz0sZhPCV6+bhAcXFR0= =+CDV -----END PGP SIGNATURE-----