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-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 14:13:36 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b0936c2606b64ae18fa1bd33a51e2422a19b0853 * md5sum be0de81d8defa761b5c258eec2909fab 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) iQEcBAABAgAGBQJRrfYJAAoJEIXCXpWhbrlNLn4IAIBo61vMhUBLTFNPQ8rcPIk5 xtccS3zmqLD/5Sx7BqpbZNohOajuXKwsVlPSTfFZ015K1Ika5wzDrmavXRAM/hB3 JcW0FMFfsYLTqk8izwNDz5Z/QxhOWjjKT6qs7pI/R4rkmiwo7DY2ad/QyBrwOmM8 KTK30VwKa9AnNtBP5U9zRaAbJyiUBoT68D424O3UcPjBqeTE+98TGTHX4mu3fryB XD2apJnb3nibVfjjVQd1E9jpRGE6bviwU3wFJz7dMIQGVgNLxRlRywXlfjsA4URy 5sn3Pc9nRiaPG8Z8t0kk8uDqixxcut3KEl53Fy8nRMshoU8K3v1H7cD79TkShn0= =TV3R -----END PGP SIGNATURE-----