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-etherpad-12.0-squeeze-x86-openstack.tar.gz.sig gpg: Signature made Tue Aug 21 15:26:28 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 3bd73ee32ba9e6ea174875d8abdd689cef6f320d * md5sum 1b464579b4238aa16ce81f3ff2be0261 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) iQEcBAABAgAGBQJQM6iYAAoJEIXCXpWhbrlNljAH/j3DZV9R+eRsA8aat2wTJA/I t/0wkUzV0nwOBmYK8jcKexOgJ0cq3cz10nVlbHb236yhp7IygJ+b3UrydxqwfZgs PiVamPO3kxIXNp9Lrce6IBKNkCEmVoDEZZkiSqrAtvKNa7+sNsBKht4oD0bmg/Wa Ib/40qG4VOLS0G3LoEa+yiPJOyVjtibN7YnzgWuHFlrW7vUoWsjFlHDdNLMhQjyh hy7hjZ4QvQVxZ5aAtgIKl/OY30xl9WHori4FxZgYsKkS0VMIDG4YCOH5aOu5XJ3k fAnIatncfwW/6eEzv0VkOj7xsOapVOH7ewTnt3b6BkCk3xdEIbfrx4028FZWwF0= =m170 -----END PGP SIGNATURE-----