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-zencart-12.0-squeeze-x86-openstack.tar.gz.sig gpg: Signature made Tue Aug 21 16:52:06 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum f6bf1dda3a850315e23fb7a90ace17c3d5492f7e * md5sum 084e16f6d06bf103cb03f8f316de832e 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) iQEcBAABAgAGBQJQM7yqAAoJEIXCXpWhbrlNlRAIAI7wS21F6gdCIA2fADFB9TpH B4HefpgZj5BsfR3g+c1Mo2+v4d4tomrCwe0F9GGcP7CmS1vyMiIsJpIedh23WXDj NmJCS/M0v5w8zuyoXQlh5RkM2ves/8vPE+tVEn5OS3U0zuORflYzr3LlKRR1ph1j dJyhNrDyh1gjFLpP63W2+vHTvIBHLhz6qUdP9tcnvySNHqv/vwzex7GO8y6iNV21 KlH6alY6bFd30PcAF7+YFEwiF7pcj770Lwh26s0kklPv6Jk508kyorQDNWEyVfMk QmSz0y9pq2hyLtXgbr6XS8/hgVSj4uWmzsU3tcuOg6wbu81rFNfd/xjTLtIW+0k= =EYNd -----END PGP SIGNATURE-----