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-limesurvey-13.0-wheezy-amd64-openstack.tar.gz.sig gpg: Signature made Wed Oct 16 09:08:50 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 59c58a14721668568040f2e35c545459ccafcd5d * md5sum 907b9fc54819ed13a344f644cfba35d7 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) iQEcBAABAgAGBQJSXleYAAoJEIXCXpWhbrlN1EIH+weNs8V/OeDwLTSEYx8fSqz4 xyCd1+XLnBtWhwtZT6xnk2jAJGfXOeuDPajoY6zWB+6W9wfM52gkJ2YBhW4z/9+m p5aohtYTWaDc1U+hpspFubbDBsUr+9DdOWkDKDi/eoaTaDui+LbOAQMQG/kX2rP0 W2NTmCWzym7xicEzQjHytVIuJrY7w+ZbuCSv5o53sq1teypK8SG67MEbUvS8bXks i+Tw2TEf/UeEKqIDyCS+Nxo3mBaC3VCDHxuTzCmhyAsBoPolZPnZ7UUGl5CUfxpw m/bwFfsaB/AGMqnhPDr6ytywC0Agmq5E3drhQwEvIe+lJWPHbWh8067BESGhVTs= =YXZr -----END PGP SIGNATURE-----