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-otrs-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 17:44:56 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 89111ade9e45b31b6163a9c8f3a0808c58cbe524 * md5sum 4c4619440b6b5e8eaab1d4ff451d1c09 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) iQEcBAABAgAGBQJSXX8OAAoJEIXCXpWhbrlNadYIAJMtnK3t8t10s2Z7AFbqAUUm ZDMoLeW6rCGAVacdDiAz5RzAVrxcvgMjrcVBqOH//Ah3OvvAjhLByYojZhvZsqGL 1mgRp8jPz4lpsjxc0ktX2LffqPrAZjqnQp0J/WC+owl0rKoJ9yz53me1aj+Z7FVi joM5ukYOLGgfdsvZ7aYH/uvAYQOAmdD9mpfdk7bVZzaGshZmv0+7nWcR/mc8+DCb RGlLwQoQX3lYwlb1T7YxvNA1fLuyBXnhwxG3A5ShI86Yflv6XQH+SbipGfg59FnR V6Yd2PnHOAh1XOpDiQHz7FnMLWyp3MNh4W4tAn8knSGeAb+UP35TXSWboULVQoA= =5NNT -----END PGP SIGNATURE-----