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-moodle_12.1-1_i386.tar.gz.sig gpg: Signature made Tue Jun 4 22:34:45 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 028b1a06d4f9b9e1d008f5479ab1ba46449c17bf * md5sum 85660428eff5fe1096a70dcc0109f9de 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) iQEcBAABAgAGBQJRrmt5AAoJEIXCXpWhbrlNs+QH/1ufsAVtxy+iMZpyw8nhluud 1csQmdRG7CPENGkf9Y4cJZhXAoa+j+VPHWx5Upjp+ZIpit9nshQk3cDSY1NXd6Hx 5c+kDb44USkXtHSRiCKDJmZFU7I2E6jhXtcvZ1b6EAyRASAUh4/HY9vISrrSEOgx tXWxLj0l50w74y6zc7A8C3oWFHKwTjuqQXBqtfYkxp9ZB7bmrG3hIjubq3D6+wlC SWs7x4VvC9ewvC7H1u9AAwt9C/Mon1YeB3XBe1OCSakDzhDxprT6NDIj8u2LOLdt DzPbJxEYkVH6kbE69QCDbeYBgm0l4XgHeobBh06bllnIGejJ+BQfsrZZwOaDHB8= =5lwf -----END PGP SIGNATURE-----