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 debian-6-turnkey-icescrum_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 13:53:35 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 2944ffa953d1af5ff3707fb47215d56fbd019cba * md5sum 778fc5c11613078a28e46b6518344e55 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) iQEcBAABAgAGBQJQM5LNAAoJEIXCXpWhbrlNjV4IAMSCXeV49KVYqaDj1RfCd8H+ /0Kr6EkN2ZT0w9DV9KcRT2NyYZHXXkPU0Y47eq+oQm1LRu6IyArDZpgUad/fd9uF dQqM7pd8aL3Y8mvwQ7iC19i8LyuIjWPUPL6TQsmF5jNLMNgEFOuT0WbWmzl+riOX eZtX7nwwXNZ4mC2dHiCMNxijjcthP3KDW6HWeubfAon0bXgvI1oQ7PMpNgEoIvVS q15FqRUD5Rkvq6A5UjtrAPELQotzispUBi4hyhVOpRH71SMozVZO8gDd5UIha0cO t1CiCHYeSp7CyqQDqKXt/TUZ8Mz9r6WYrR+MRtrk1Wfb6G93AterfjxA5MBpzlo= =0/1b -----END PGP SIGNATURE-----