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-mediawiki-13.0-wheezy-i386-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:19:23 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 623cbedd068c88ace6159bde33ba478ba2798614 * md5sum 664c36a088a91c0f1a89f4f0e0113227 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) iQEcBAABAgAGBQJSc3ITAAoJEIXCXpWhbrlNtowIAMo6OCaOTHZt8AC26ICpXJdd 4F2ui2PiTXEcMNeDp50UF/iycKqgnMMfx8VPhyKQgNLi70RqqGcvPTcM7Cn6aKC5 mlDdaSa9SVDj6mQDynrNCImJetkSI7Lh5tDom/3onDteir7H3Ni7BMLniOZsU9rm MxB7hPOVvxb1Zeldl32c3U7gl6ZpuuSx9xNY5Rt3LcqPfPeffhLYLt9Tavbv1JdQ ifXKqiJpbzKGCvXp4oXrXpT+31CNM6hGVA/nqys659HZ/xVYRVZ6hd7KHXFgx1yi UvkYVLUxrKNHdM2AC0QENPqEthOQSTt1EvJBYB2lHDaKJ52v1cFlZfRd2bXnYzQ= =ooQI -----END PGP SIGNATURE-----