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-tendenci-13.0-wheezy-amd64-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:39:11 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 1a8c8fe20502951bb6378543aec51dc3c7913b06 * md5sum 73d87732a9bb137d109cbf36fabe2682 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) iQEcBAABAgAGBQJSc3a3AAoJEIXCXpWhbrlNpioH/0lIgoIiFPA5pKjI6UT9s4s9 vJMZ8tLMn9ib1jF9jh3AXFn5MWwjh6c3DcR9QOT11Uw9Ak5+nA68Jac+OO4Owxa1 VqDH1SeNbb16n3UDsGMi9OucuXgWTeEj4Pkre07Aa6+1JddX+UFRQSniRK40uVsO f89KRHsfq/hHMqDvFKL4s9xnNEZUczdhcdNRzxlupt5ab8mgkUO/kibBidnphwHn bfmDcErX/zrMO5wLbyS8wDmaGU6YiX08Cwr2LGmGxN1MRswyXldSkOueLs9uvp9U OfFRbzj7FOy+jYFGs1s2BDA8ZZTSZxF7tP/BBDnpE1+KWZvDiXswadSH1iGdWKY= =pgcw -----END PGP SIGNATURE-----