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-codeigniter-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 15:26:28 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 3d3ea04218b908e4bcc543cfe167fe0a5302f819 * md5sum 9d2bbd215b0763fae3c5b5364f77d103 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) iQEcBAABAgAGBQJSXV6bAAoJEIXCXpWhbrlNn1YH/jezZtcjLw9DjaKl1MXYzSy2 YG1darKKoiMRSFb0hPqYqwH6lvckliRTsm5/oQrnmKgOrJxcnJcEQbyadl5RV/dc U1sp4TyxV3uJFUI6yy1ufzsLl1lZfHTLW7kNpsfGtX2pYRIezPZfaKYfju4+LmSq yMRiwyjNu8WKHehCoD9g4N1tQu8SOwPjPXjejHQ8tavYeoSiG7qN9dE08E4O+nVa KRrOGhByaCwsSyrYosBXq0QPoZ1ekhxQswvWcF3sxYhgrKfMHOprCIyYlE84+wZE CqoGYXO2t0WUlXmLAQtkbSR89X1pfBnd6YverthpCNBz1fdQwQt9zg2epRcPkhg= =gAvk -----END PGP SIGNATURE-----