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-lighttpd-php-fastcgi-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 16:41:17 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 2a7e9a5d8c5399b39c6e6c734152b7af6bb70d32 * md5sum 63d9a3a2256c162f13affdc3b8751dc1 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 v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXXAlAAoJEIXCXpWhbrlNhIsIAJGM6t6royKm+JN02wkVUf/E V1B401ecHK5s6y9WsGS9sgAxszHZNdXNbu5GGdfNpryca7DUJ4ZgNEDoA/FAii6T cwF7GjjkqA4OhRFE87e8Qn4sn7VCzaKRyXwbb/EDtea3gOJMoexfPSl3u+UfYsOG eiPznt+/DZqlMrEPTnsmc8heP9MZvCyoNlFHh7KtPGgGhkvcjmPpAAL+QlhRjkmx yJQSJrIKFjuPSCnX2jZIN8VSQpi1MvoYFTQBFzDVOYoEsAkuJVE1ToL3sMMxCv2R ffMyaW5vWeAnZ8qQWXwd3OjNjS5drI8uRV2oHyvG3vlUy0a7xIlfHec7zRbWIt0= =Nk1O -----END PGP SIGNATURE-----