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-mantis-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 16:54:22 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 26592102986faaea85da6014a06217700fd1822b * md5sum 39ba860c7cfd83f9281bf27d0660c471 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) iQEcBAABAgAGBQJSXXM2AAoJEIXCXpWhbrlNbBoIALKTkIwPfZjoLIoIwlTe1nV7 F/4LSnkCtvyGK4OV6e6uCM0RW1+hdf2sm9Uy7a2qpRdhLbPbyAKB8YaWhHhqpjet Dlao0Jl932WO4OBbgyp/ZmkZUNArBohn1qbiSj62MLXPnUtX10Unrrmf/RpsY1k7 lqKv8aJ6LaaXf2TEr0Rumifz+FjVUa7MtzZcUDyQusD+U4TNg/66lvvDJixyYGc/ 3NE6BK6ycAX1zAUBUefjbL5Ed8O5BtoTan/0H02SG4SomvYhQeiR5oZebHuD5NZX M4F2+ivis4T/nLrRVeHFDWiMKg7UiY3Jr2uCVWJNSCOdo/xjzfpqrYi12D61QrI= =nnZ7 -----END PGP SIGNATURE-----