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-core_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 11:56:47 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum e23c13580b5feec7f03df329437e62e0e4b2a230 * md5sum 3a6ad3ef303eb88aa657c1a5aa92c9ef 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) iQEcBAABAgAGBQJRrdX7AAoJEIXCXpWhbrlNBM4IAI8Qh+0YGhbVcmB5hh09j+JY Y9LFXLCsCotNF3/V7kaUUbAG13vm3iDy1koW6lPS6vFMM1FRO1WSoFD15jABrFuj joQuT4Wev++BwAkM/mJd+VUedj/gXLapbSrRvUy2+c7KQw2bYZnL4l4mBDyiPENO MrLy4hWrAjHhHOoGlErjyg328/Q1ZmwIm1AiHpUQkcEpRcRBdZDizVityQUsXoDJ hW1M08sCCspfYl8kIqTihn/pDRrl9e2cE17wWCs2TjlmmfugmE5Kivw5MNhrqF+x Ab0K/MxHAttwPHW3Exdc2XkGQ0n5p1yxiEXF0E3VJ8w/k+X86KSCnlUPNyj+r+4= =GHwp -----END PGP SIGNATURE-----