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-magento-12.0-squeeze-x86-openstack.tar.gz.sig gpg: Signature made Tue Aug 21 15:57:00 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum eab0a0b50e8418a41b9fbfed542b5175c9b41631 * md5sum 70faabf004a900a699ae5eeb1b18a4e3 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) iQEcBAABAgAGBQJQM6/AAAoJEIXCXpWhbrlNACEH/2KoAHL4gAnqzF3a9p+kAlsJ cULXXtkDGfKQwC+MT7QkxciGwEjDg9GsEqOF68vfwFvyh+ydHlMcsBB5IV8dYu5L XRxgJF32qeoWYwAApkPLciQNUB+QdgkD871cBv6rIGOQENJ2vVnjOUqT2AiylYAn UnGr5JaprI5OxK2cBZZImyeMN/D58RxkH13G+7IxyAY0kabTF4voV4hpSEOOh4jH P/J+nKI0T+fNgjnDzwo1F2KP4tyMAEGgOPJNNyF++z73wE79QgJ8S/WmXMi+ea/o d6LoM2D3+0VzCYkYHz4Im8KaoooME+JKYKOT0OCCSScwoCctEYVQMbTVRh1mhX0= =plTI -----END PGP SIGNATURE-----