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-ejabberd-13.0-wheezy-amd64-openstack.tar.gz.sig gpg: Signature made Wed Oct 16 08:54:24 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 6098ce15ff8dc7194c48abaf0cc3cfd8be5bfcee * md5sum 0492a773ed808c890e35492b250c7fbc 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) iQEcBAABAgAGBQJSXlQ0AAoJEIXCXpWhbrlNnOkH/AvYadAOpYgDHlCv3+wgz25n riVjOPMLyRwAKb6C4YeRr3v5jWPDoS/PX6wlvOzTNC9JGHf3ipG0UUtfjt+sO6xs iD2V0HuyjzjTbn2n4FsNQR2VK3XcrFo4BRXUGEqnzZbL635dpGVAe5gP8BXhbM/r 4EYhJQBUprWt7m0JCC9wrXUdRa66pOtnE89oUz428J5XNsd81TgA7NcHpjFPxS2y lM9K7OshNy0FF/Sk00Zr8jwsde8v5I98+ziClj1dxE1zdODdzty2k4TLSKsBBNQz S+QV0gQfWemHVPEGfr8Voqb7NC9xenws0P224B/4OyGiF7crb6ZnFOqQkpb8GdA= =Mtyb -----END PGP SIGNATURE-----