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-mediawiki-12.0-squeeze-x86-xen.tar.bz2.sig gpg: Signature made Tue Aug 21 15:54:34 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 7cb94464cb82835b0f98d7e3e76fe4caac496f9d * md5sum 43fe8b2b450a54f547576e543111f96d 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) iQEcBAABAgAGBQJQM68xAAoJEIXCXpWhbrlN6u0IAIUZPvr73QyA0Qo+OjoIqS6X KF1Eo/izNspIPx092IpXs/tYtsQaLNMZmvIdViFH3L2wrzrNavbDAG1KBztR0hsi cRIJQTDx5dmufs6GNkGlL5nJ50s+PYgd29Zovg/PFIZhCJAtC5n/jxWvttf2/kN6 aSwwz1Rzk6OnbRCCMsbEVfDwnuDgN2HjhChnYgcbFCdtHMJBHu0x8rVq5DuW453h t0hDeXV72LU15NlnqWWEezv6DoLFJVWE4OjgHAhrAcI6krGUlVJwNPSESueqLoQY modGvfbBTKt/1kDLJHN2ah9iQQ8G6h2swWL7j819vwT6N2BdRLFsveVEs3wS4zQ= =L5vM -----END PGP SIGNATURE-----