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-moinmoin-12.1-squeeze-i386-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 22:14:35 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum a557d24d0019b19fb9e8a277a2888335f3e20af3 * md5sum 93fb1dd8da98169e98b5fed7f09770e0 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) iQEcBAABAgAGBQJRrmbDAAoJEIXCXpWhbrlNDmoH/2pb58QemgULsFNU12ZJD+2m ek8/kUaDke6U3EJD56xrZgtvUcm+DBpFZprshPVbZ2gj/b3jXkJHxKIkN4gWYs5H 404RnhlUEgk059kfVzBxKWNIvPf83P5aIJRpHLG1Sv6Luu3eJlRvD3szoN9AgrNP 5+tV8sWPnhAhji5weGyZ+3hqCu7eHI83Aqhpce5wc8vDW5zQzOU1dTE7dfX3/j8o RyES9reVn5AVplsAtUTexDXDNvQr8EnyDs7vEF9R+IAGac6QDVT+8+NOpx89k5am RePdqCP8bm2zRzUr2VskTtop5MYMG07StV648gd1AYyRUZesyUf+4QAoIEOoe2k= =jqyV -----END PGP SIGNATURE-----