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-nginx-php-fastcgi-12.1-squeeze-i386-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 22:33:47 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b2bf4f29c98d6f9364fd8db0afcfc6111b6910de * md5sum 556bb4fc23cdd9bab154f1f17c490490 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) iQEcBAABAgAGBQJRrmtCAAoJEIXCXpWhbrlN4RkH/1qlsRS0P/2Wpe9F1IXL9i1Q GxcdtfYsm8X7fQfzj4eodbCtaAndl4QN/gEqcIh1iVwhaRufEXDAh4kxrEpp9l+K sVjIzLHWHxEAuywdbByitU0mZLFL4Ec8F/PTHDEPZAm83DX85/fyWrsZx33SDETM XZaGNXE2et6orMqNeDZmkXmpWM2tUYTT7jAmHV9t9bzoW6QOlndEUt9iFq9O5rBu R18d6whg1GCc0S1zjt4C0ZUTtlDxs9qKGfGwynFrYrvnG5vMU6EjQ+XgEtvwtPu7 Z6Y77IS6QDNMgXMKipChtP7QaUmPmrbAUIbVVlS/QM/hlaxOh+XDIs9XArFtXcY= =ldyU -----END PGP SIGNATURE-----