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-django-12.1-squeeze-i386-ovf.zip.sig gpg: Signature made Tue Jun 4 20:26:23 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 8c8ab28951aec03adeae6cc1a538e6d368dc6aa1 * md5sum d7caa72875b4108735b72926d04206ab 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) iQEcBAABAgAGBQJRrk1gAAoJEIXCXpWhbrlNMtUH/A9WFBfn2lT3MR0id/uN9TgL 8G+jflYCJVoQR1HpgrnXlo5MA561933s86wT9UY/CkEGcJHMH1bC79/QcpsBrHoB u1Vt/N0WCkVA7LznOz8cDQPmsT12B8Q/vAO0wnIuWxlU71HZdIgkyQjJ8X2YjXog o/4/XioQr3HCQ8iA0HY8p8nuBSiRBODsrdRRvRASdC7Jp3+0gwCiS3Gvu/1l26Od 4UDVDjeuv/bSROsr5OqBAk8hwv2gzE5xjetipsrJU9cOijjyheGHIebwkq+qYYzG AMPiy86PaQleTIa8U3uyCoQupfrhPEU+n7StbyXg1Vt75mcWcC64f2eImLrMYJQ= =GnOh -----END PGP SIGNATURE-----