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-mongodb-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 14:37:07 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 89136890623249d56d09b1c1d4116c03fc66a5a6 * md5sum 06315d7606ff9f96cee4b838e9f61b86 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) iQEcBAABAgAGBQJRrfuLAAoJEIXCXpWhbrlNMR8H/RzRNgyA7HnF+33kcMBZ6OdP sWVOxC1Iz9UqpQH1e0yl2KBH6xWds9xW1VlkIBJoJ8vOg9XQqMUqINOtGnoMv2/3 xb2XJl+UyHObJNfun+QZDtoSxwHnE+FRl9SWFru6EJyVjA9E26oXXF6NkySzi/Z1 WKKNAicTU+isVwCMj19ES1hv+Pt2l6DJqouC09fQipgMFGJvj8RzXN13nx8V1n94 NGWnu/JD5LJMkXjedqF9oRgsNW+LzwEwOqS/m+mz8qDrGDzNlU1rG56bHQZZi6MR hfYkAn/wxNzg02f7t/k6GwtYbyl9aFkDNohXB/ShlozAYekB48G61YOgtIfLkg8= =GihV -----END PGP SIGNATURE-----