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-elgg-12.1-squeeze-i386-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 21:11:55 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 2219d7d7947add9ca2239d42b0e8c2e1cba3bedc * md5sum 9719d2936088030c83a2ca71d4f5ee61 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) iQEcBAABAgAGBQJRrlgPAAoJEIXCXpWhbrlNrFYIAL+uNl90eWJoXiryrnahkwip ZD+l8tzzJH6i6rw/9iiQ56VGQ+wZgVdcpreSLVU+elJZZBakj0B+6DxJa50waiSc JfWseRNBnOR2mLo/75CGx2chLKd2RJdEJvwkUx/S/ERpK9QYGIvJe7a7s7czYBLk /lDdLuQTeG8s6MPhEjZQ6nPbI6z/sXpkPU00sHNjdcNronddTfr98N1qpVTVmTn0 Pp/wMMLnqwQLNpF41kyrU3AR9gg7OQpA7h8fq8iB3/mjOzRyT+tKZzSIW/8iOEdG CEMper1V5dLDKICmomI8AZyEIzqFGiThQFe5E5oWNoHKX9X5IO0rwec3jobU0JU= =zwIR -----END PGP SIGNATURE-----