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-13.0-wheezy-amd64-ovf.zip.sig gpg: Signature made Wed Oct 16 09:18:45 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 49850eccd05445bb2fac21be27f6a145f2a22969 * md5sum cbadd73b12cd4aedd4f7f55134445ed5 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) iQEcBAABAgAGBQJSXlnqAAoJEIXCXpWhbrlNv8kH/2suDTdhj3TIfdsJYnEnFJ4D ySYRUJqHIUf3vmAN7hr4h4uHpoZ/IT/YIYlQGg3+diKSTLk9hJuGuW3cexYam9fv KHO2gNv4UEZ9PbP7A4XbWC9Ly2MuiqDhpgDm2V6ardO2awfz94f5sb+mo/PJGPLc Kw8WYvfa+v8VVmPMYgHoA+OdSZBmw+w3Mah1ubnub5EMA+S6zVbzcy3VAKl+L4u6 t5L7ptNNDDvq+T04j3V0XR0JDpKUhkTJhW4PCnT8wAthqfMVGxEQ+9NL2bceeu2U ojzRXUPzqILi5VrsqC6sa30l7k105pdFRQEqY0TPWd2Fu9f9UyydX8AkMrxJ83k= =jWOw -----END PGP SIGNATURE-----