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-dokuwiki-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 15:35:56 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum dd65ca59ea24a0c6a4dd57134bef0a67c43c72d2 * md5sum 3f74fcbdf159f097c129cd379c2d24b9 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) iQEcBAABAgAGBQJSXWDVAAoJEIXCXpWhbrlNIHkH/0dSoebPAZUdiXdf9z4gueJv N6kxTsvxzHPReI4eaSW92eVOj05kfKcCrt2xpZxkKooAa71QPSNRZUaasI3LP+56 h968FrGmENzgivu79SpbiIpsnBvhp2C7n6eYjDxYjSGAR0g64cNWZ3q2TUkazD/a RpUCPCh89L2d2k6L5szWZF3ErjHRJjnGwvpsIhqtpUkSXO85xjuZiSW6DRrdQ3Cu wf7wFQuMDK9bB8kLGt7eqYLo1ndp8s9tnxfNiQpqWVbaLB8WJAqbLegaUDHvbt6c jG6pkvAyx3DCxMnQqDh5CV5njVUq2rEWiv9kFHPtUlKNRpJH4bcjsoyiDJfiQC4= =tfUq -----END PGP SIGNATURE-----