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-silverstripe_12.1-1_i386.tar.gz.sig gpg: Signature made Wed Jun 5 00:02:07 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 48fed0574d725d5dd92f67028fd8b563096d93ff * md5sum 5e7e691bdf81fb5bbfd93bfcd5288ea1 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) iQEcBAABAgAGBQJRrn/3AAoJEIXCXpWhbrlN5fcIANlHlVMVdmuUndDHOA5gD/2G HwvwM09c9iZj1hDYOmALFNXXWWr5WHjpcPkD9kNat8wbLgsQFP4+UEz15fqw1nUQ Vl9bvtFlKqqOCH61ay0AP9i1Hmf0UpGKF/r74CglKf2SXDdL1a/1JwxL+f/uWOHZ j7hAhAn3IX4j1FbryY4sSnFW+ZxqEosVveKLj14xc9YycESK/WFGD64sMxq6O3Jd 6ojNAciIb6kU0IiZKUVuUK6hVfCT4zaU+HpMn1JNY362+RIANR7u+LajWxjFx1j2 gUJvtfTuTINwUEDqPsvp73Z/8bASzzin1KrjwA5izXICmj2zJa17hbnsgct+SiM= =z/1K -----END PGP SIGNATURE-----