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-collabtive-12.1-squeeze-i386-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 20:31:26 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 3e1e6a4cd866c7141b852c1be4fad9b63fba19b1 * md5sum aee29444533a41d5553236f94e33c087 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) iQEcBAABAgAGBQJRrk6SAAoJEIXCXpWhbrlNkrMIAIxjcEDLCG5sQIps7oqUfgxg yDZu96Ame8jHq/8oghMQrrVwx4XhZjJg6tEqFD2M/CvVyKl5RtYQM+F1KAuJf5U7 76XlAQL/JFHL7E4w5DqHCIZOtyxXviyLiPrm8YMQLjAG5OvfxUAvMlofs3V0GjQy VU/L9ZF7kzxVDOPrGx5Ifdl3IwiYuIGGg2+CMMWRkcAEoL0ML33AZM+7WJXPWv3O 2c2GNpgbiAlmWgJfu3wNDHBjM9i4yZTGO7IXg2n0rFBzLcLqNM0jA3sk5AVAD8BN GUaIndZJQ44JomAtWIyfQKFC87p5r33GafGU1h3XnjyiTCz4O5g3cwZUBaNzyJ4= =gvxc -----END PGP SIGNATURE-----