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-sitracker_12.1-1_i386.tar.gz.sig gpg: Signature made Wed Jun 5 00:21:13 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum dc344e233e2c446fc644814a7be50795dc2c7289 * md5sum 9ed9628aaed1a8d56ca1b447b8533968 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) iQEcBAABAgAGBQJRroRvAAoJEIXCXpWhbrlN9aQIAK3nFTT7xgBi496iemXYIjfy ESKiBgV9iKORe03gVqSNCROarppa+Hcl4L4v6/uqJnDXDABtjGe6JZ83erX2pnfK 6iqkDyKeaH6POQ7d/fOtT7J3xiRoN+2ZxNrquUBkrPV+rYAtmC465to2w9nvvh2y HtcGH+EXg6Liy0kOY1P8HyGu/3dQJGIkowh79zJXLQM1rUnRTXOKTB9h6i07f0nw aVElmGBbosVS0Pv7auL2Mjl4yFfwS4nrOkCx7tXODapgnXwZ0+fBfbmbJr4ikYv0 zZYSPcbVSr/G1q7BGZimDOUpwffvUzdwzKNGFlfLVv+Gt036F2toM78IxnTSxrA= =4uYE -----END PGP SIGNATURE-----