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-openldap-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 14:39:44 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 4ad8d2406561cf11a2493894be2455995d610244 * md5sum eb4d1a83d65730b5c3ba4a6c92f470ff 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 v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJRrfwpAAoJEIXCXpWhbrlNUyAH/1y2CJKKsugkPu8zLSyCrrML 4TGA6zqKzFh5Kemh5uxKK8EqgCJ/zG4obQTWnwL0Nr8KUE1pWOm4pynE418VW1aM XBNL/9Xg/NpNkKrfWhQbLjxuT0XqwHTcCyUS/f99/Ly5F0nAynsAbBtt5wYmn9vC ElBrlVZuX9Aja4xWluKBrhi6NKgRBpuT2JjVDeGZihsf3f5jJuV/9bd/puEpwI1m BD5OjJiZD1esgsM5Gw9ORWvEnFPWwi0WJkWx432srtkL+jcbLiMfbDRUa+wDSDVC y4Yvq+wnFTdtR6KK3MXAD0nWJ/7whSzQH8I4Eu+pSlXyIaFrnqkmffgsxQWxyAk= =Ro/l -----END PGP SIGNATURE-----