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-punbb_12.1-1_i386.tar.gz.sig gpg: Signature made Tue Jun 4 23:48:49 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum d49fdd64ed288124fd39ed5d4b1e0669faacde7f * md5sum cfcefdedb9b71f42bfa743b5fc75f02d 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) iQEcBAABAgAGBQJRrnzYAAoJEIXCXpWhbrlNaI0H/ilUjBkjWbkdipHM4GEcf+e5 0fSXmejLnWf10vkYDQh1MKnevLUkrASKN9nt6oU5p5NNQKzEOBAn/DnUCkrU5QDQ RZhoGZTWeLXEsQ2U3GOggRSJMuBrtED0aNz8IU0rzmADfRfUdJG1jlTU3zrg+RB/ wq++t3PxUF342g1NaWMsnTrwpEAWGUolaxT8nKVxg3CVh85Zlv2YlNS8A6/wgzCW 4IGpDi8IxavquYSr+mmJA7YBS7ZQUE8dvXA+4aaj2bHbuI275eW8qpD81BF3/vQH ST//utbAW5p/624BJzcGYcAU8VJoVRbsXeGuWb3srdjH346BL89Q3nu9wCHhTqA= =eXAZ -----END PGP SIGNATURE-----