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-domain-controller_12.1-1_i386.tar.gz.sig gpg: Signature made Tue Jun 4 20:38:57 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b3313f8bafb9ee2b540dfdc46d412e9f2c9f503f * md5sum 8a63dbf7b5ea17863bc08d2663d9fea2 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) iQEcBAABAgAGBQJRrlBYAAoJEIXCXpWhbrlNFQEH/14ChOg9ZZPcerbvUBG1IdEN VX86g+MfdnyUB3e79fBqBnZtBymerd/BeREWBU6G/0FPK701XemO3AER+mDSwzEd JOpKP8DqHri53qZ4YencDTjM3WSWo96hUuN8ZZxt3xf6sI12bLyiza6AGFpIHfaH t5wp1k+mX9pH5SA2SdpgmvXy57pDmzabNYW7wA4RERJvwMIwQQulFK+YekDlR5vg c1M8iz8hatQT8nqrHkHXTOy7lSIErkAcfoy7nwzF+Nd9UeABUcx9MpBRLFwh6HKY qS+O52ahigJ3BPI8QIZGS/hu6OgBJlEjB41TFJjYA+GO5nF/Aek/oe8k0TUMwJs= =gYXG -----END PGP SIGNATURE-----