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 debian-7-turnkey-e107_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 08:19:15 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b296e928fd77cc1d74d76bfae6d3dfdc4dc11d0f * md5sum 72069efa5ef3371ab803035cf8e028b7 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) iQEcBAABAgAGBQJSXkv8AAoJEIXCXpWhbrlNkdgIAKL4HnYSs0tLzKhBNUGh7pnm UBdRERNQLWicQ72NWPHEtLZzl6h8JhgoZUXnkaGjVkHg5Qa6HPmZcO5td6U7hX2X yREbeRs3w1bTK7EMwwlsh5LhzO1QmNFImD0FctARXX8cB/C8aRxeOwOi8xkjdgR1 ZYaWrUHtVs+O3kfjRTXB7NNUi5IdckBDxq63PvobFVHCFTRV22kU+PGJZ5q1xdBM WeiodUI0op+kBZbj4DpwsQCx4p4T6itsQuHvALPCOlLMuNEUYIk2d296lFFEx825 WIEKJBTKdon2bSdRK05w3zHCL18ecH01lldP6rTPfNYsmFwDrlUUO6l8Jh2mPhY= =3bAw -----END PGP SIGNATURE-----