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-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 08:56:28 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 62d42c28f957cc538296df741db1294b7b1da25f * md5sum 4632ae75470e5badb5bf9efe085d12ab 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) iQEcBAABAgAGBQJSc2y0AAoJEIXCXpWhbrlNZJAH/iIVhAZfpUyHf87ZvqeqAv9j RZSmswrj7eKG0JUBOlU0uAurfh5/CPa+mdWMEvBbqcOAXXoOl7Y11mB+4I3P5SpX uptPB+JQ3gaS49VB1egjXy937AF5Sxc9i69Yhw+HpfhAM+llJig+5sQghUC9BNZu XgnGXDvFmiqSOnH1hmQ8twY0KYnGhaATOfVcuS9G8OMbnrd0FK5eCAQF2oh4dhya XfACd5uvThkqBAZCPTjI5fme7SOiRLO0KbWy0F3TWmOd5/zbO0exAyRvthcKnUWH yp6pfbQyIbqmFSYMvYL+JueaOiI51ewYy+GNvwjraHkihZOAMbiQCbeTaeAaQqc= =p9YO -----END PGP SIGNATURE-----