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-icescrum-12.0-squeeze-x86-xen.tar.bz2.sig gpg: Signature made Tue Aug 21 16:17:48 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 73207b72471c7332bb79f908d2a9e2bf660706a4 * md5sum bd8dd3c1960f76e18e5ae721d19a2762 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) iQEcBAABAgAGBQJQM7SaAAoJEIXCXpWhbrlNeFUH/ip1PjsQRvIrH0X6yD/5sB+o twKQEH5ZhXMpYHQAynAqUDCni81DxJHj0nxFGE4S49GvmyiBbanpegoqtomvfTcH 9FMyYMbo0wuxpVRgsFw22A+mV/q/99xi3clSVD11z5jWKe5xw8AAkIzuPnF7+wE8 XlBeLOIUQFLDfMVXEJdVSEvXFpzjZqpdhXbEkmEja7Tqf0O33FY2IZFh/jUYwsIf VV+6SRnuzYOJPjySVFzUxMwSqlWez1tsdEwZdqsnsfSvKCxznzm8XBlKcidhH6eb m0qpBGuMaHh9ZErj00P/mI5kQ3/jrirn7kJqpmgawYLB268D0H1Q7z41tO5W17s= =bfqd -----END PGP SIGNATURE-----