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-e107-12.1-squeeze-i386-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 20:51:54 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum e8e854b5ba9d563d372ee3bc41f2aa16b7ee5f32 * md5sum 032b8e344e707880bc879c567ae0a554 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) iQEcBAABAgAGBQJRrlNeAAoJEIXCXpWhbrlN/bkH/RlzZAXN4DmA1X3olcXzHaUs uZLvrStdk30hd8wG5n+dJQcIZ/dJWh/v6GmmY4OLGJfHPrUDaovHwy9wr+jWUHuQ DVSjStHLE8fiL3l11CmHaMD9k57S+eXv+Wx1vkifCb3PUa/bmkTo1Te42uFla6kz 1aCt5tWYvQ7mr6rzIZCsPfGLQoLUtLqrkwxrSECFIhGq8JZoW/Bg1b9VFZRtKDJT eyH9EtxjSpBAO4I5OA8Sk1zN3SVpQlyuVfMs9wQu5aHKXG10pJtE5iGtOUHRwyCx Lo2AIMXo1dskQ44PHaz6zurgSdUAMC97UY+vUa74Of7rxMFIIn0+HtdTw3MQdoQ= =knaz -----END PGP SIGNATURE-----