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-clipbucket-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 12:58:58 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b8f8755d132c959eada239970ca27e32fe9283d9 * md5sum 5b9163e331fe743da61fd535ed562e0f 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) iQEcBAABAgAGBQJRreSJAAoJEIXCXpWhbrlNTxUIANx8bcr4FiHjDnZLnR/xG4HX VF2nm5hG5wxqCFpR/sThVdyCCFTKw6eBkBIhIpq1rW02oOK4q6sjwRlGtZz/5pB2 Zv6tQZUD3SfzCkCQsYnVrfpumqTGYYQ6am31dPDpS6UrWEENBnDKLAh95a4Kw9AW BFYeE18Oyp6DfZeqtD8NcyrIFy0RSBgstFBUg36VdMGQc5Jfgql2P+WDHhWHnsWy 15uMFqBYdDNhDvppxrXsJrrGqz3m/kGy9kudAxVcAga22qM8ossrn9SeO+MyS0XL DcowQJcLPfWNUjay31gW06HbShF4g4bX+E6iqpi14n3KvR/dqd3GO4Hc5Z0nKYY= =TeTD -----END PGP SIGNATURE-----