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-gitlab-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 16:29:39 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 1977573730e465d1dd4588e59fa54dde60c514e6 * md5sum 94f7fa6a6fa0165d328090e516e3458a 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 v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXW1hAAoJEIXCXpWhbrlNYeYH/03z43zQwfMTCq2uPfWLKWOU EKfpCB/KBv/cTrW/ZERn+zdgfWBl2VZHF2YzbN8zb3SHouwHTEJ8MfUQHg3ZVilM WDPeopulTzdTMny0lpMz6N5RbxLGQAnf3AKy0qS79B+7fD+0GXZZl9i9P9YZ/lRX /V8ym1zuYSi/fACaDBMaSF3ldXnxDiTIvXYAG8pt3bOa6XKWK8oS9OxUd/npNaec Rw31m06zFoeBHXS5gZFxSujDxDQeI4K+XpFPMl2M9A22LfEi2RVnzV9N15sZGz+m pcLgYFggqoxuiBjdwRPWcf2lRvQzK2OasVw1VFVKj4Gw2sbFdhlke9rsmfZ98BI= =jYao -----END PGP SIGNATURE-----