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-amd64-openstack.tar.gz.sig gpg: Signature made Wed Oct 16 08:29:53 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 12a5738b8cb0ebb5d3779fba6c8603e3ae9d933b * md5sum 7514ffad80289e9b6d8689e9152a46e5 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) iQEcBAABAgAGBQJSXk54AAoJEIXCXpWhbrlNl+YIALrDSMiOvS7S41w4NF40sP5/ KyKc9OKdsYGRUWFyObZTXC3rraoV99pbrDKxBayz+7d46dBtb722q+UxUiJ0F3DW KPdCLG2oSy1dC16+2BpocGXAhvXpuBBj6ueUKAeti6MNxaYxqlhaQ0Eed+BJ/Vo9 LTXX5oMT6Icjs6WszDCLvzqOAidN3AwMBkGXNpnKgWNrOcVLBT9jbNM/Xst3kmOT aI10qxgVwgIhx7qzKzAGmy6DwNkYVBBo3b6PxwNYrDAiZ4FnBrN2sp9sATmAb3VD OOhpE9dEmptSx3uMT1vloUTejtItlFmbXwmZ8I9PttcdcElnNzMB6ttHl0v7C4s= =6g+q -----END PGP SIGNATURE-----