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-phreedom_12.1-1_i386.tar.gz.sig gpg: Signature made Tue Jun 4 23:19:30 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum e8bdeaba4f58f6f1cfad825e8d08a1d23ce3d5f1 * md5sum 074cbc8cedde232477eecde481060635 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) iQEcBAABAgAGBQJRrnX6AAoJEIXCXpWhbrlNiUAIALyFXmccY+SnvBrGJoA4lqce +LTHCWxj6RpC5pYBdSpTZ3ZNfqev3cRFj+5LrE80yga7HyObCKyP9Yx1DYJaihq1 /fwYlq0/WfTUEl9ITWaN9vR6FYthBGkp/8qqm/dnQMFUXeRMaDqiJTKn7hA/Hmvl W6lK5Z/jNWNvmmfaZEfsoTO2CPe+OG9ecJzaHW4yRBiYeuVdgsCWCBAIXtH80WUW 21/8TWHLL23xsAhaU2V4KuCwzYjf8fuHCzKAc/7Iu1UzzaWoOIzKREcqK3maGfil FquGDUgMqShvRFSGezeDkEotQbu1yBV14zw10uHGpS7xjLbzDwbPCILoCZyhrvY= =sgH1 -----END PGP SIGNATURE-----