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-bugzilla-12.0-squeeze-x86-openstack.tar.gz.sig gpg: Signature made Tue Aug 21 15:10:40 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum b769cd360575793f98b7574e4443abd254bd475c * md5sum 589616b47cda5b4d21d1ae21c3d511d2 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) iQEcBAABAgAGBQJQM6TlAAoJEIXCXpWhbrlNvPIH+gLtDGyBhex4WvR6YcF2nGrV a9WrGhKzf9Czj5f4dGs1lGBCKHUMPQaKgKLygvyFbNqDkNUw5ImOG2pZ6pcwBkUE yrKUNciBqLZSLYNe+k/JVSHwz1ntR6/in0PwIQx8flewKhhUYcjUuCfoVIcNLMAB /Wt62MRHNQTt+dVdWj7HQRqDAFW/5vLMxyG0RCK8f0bzZg66lTClSXsCWWiabBNN 0RbpGjhESW6MfWUEdfa5kMXqL8M0Jc6aImfB7oSqe587Oq55looMVJt/o2iu/SWP r08aQujgJEKOx8jhy92KA3dXInpbMcO1owYHHbMgnJMESSnD51jXVBiwzaze0Ww= =xea0 -----END PGP SIGNATURE-----