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-e107_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 13:16:14 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 0133a0c822c1fbb156323f8c21cdf7061d85e7ce * md5sum 4a3b7e1d991edb48a4138a66bd8e3902 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) iQEcBAABAgAGBQJRreiYAAoJEIXCXpWhbrlNa6AH/Atned/Jl2UyP2ULwZ8f0gYE As6NMRBXX11acgUzojYdA3jQ7PGXhOF5jkZ4ul8tqPWMfxnwm0pU0grLoglpijLh 0BVsvDhm2Vx/66ff5hiUK3ahLRvMFQEUJw7lCUjRwycwEiLt2LOC3u0O/sZgF2N8 V/pD76XBLqpAv1U1ogGG/QeDNeRnI/KqIa4/1VToZ4u6AOOEGYhC1u35SFYA2wa3 WuHF/DF8BBZhfC6UhCeDUToO0sFdafCOA4Gk7kOaZYqRvSvtZQx8RxiYgikU1+8w 4sE21RJlue0z0j0lqb1W4RskytX3ru7gzUQE0lW6MPS66C1t7enLRCrdvR17dfk= =0fs+ -----END PGP SIGNATURE-----