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-punbb_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 14:36:23 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum ab1e3ca3dabb6acd36981ecee7d8195b2c1eecd1 * md5sum 2074de094a0d2cbd518edcebc8614e8f 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) iQEcBAABAgAGBQJQM5zfAAoJEIXCXpWhbrlND6QIAMOI3YHDOCeLy8bjHrBPGTD6 MMv3c6a+bRd0HbCwxtS1Hw8gUtb8SqBwKB6MjZWqmb3lPfMwmpVMYs8IrdbHxMUB RtqaKQuh/Cwkyg8C5KsTym9nRJuQNt/78FvWhCJ5fZbWy9UOtmYJwD76KxUDO3fa QholvT2NRzP7j4qPxpbFTi94mo27TsIybO1OR+4jCQoWWBoWi/XTwNbNmmRpTUFB +7GZPcjsV+ntCyoDNbvk9jLISXadStU920f1llpe89yCsIk3dbcN+m12z9VTVsY7 Z550Ckcae4bZTGfs8dmaSHyUZPo0pCvqrRP4kveljvL6o7ii9Mv+k3oCVYDMaV0= =GQ1H -----END PGP SIGNATURE-----