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_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 16:08:55 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 2e9882089d77c38311de278924d27c6e1f946cce * md5sum 02356eda6e29779f7c03a30263d97ae4 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) iQEcBAABAgAGBQJRrhERAAoJEIXCXpWhbrlNVaIIAJsDZwTPlRIYehFuMPqfFZiY F6T1nQq7W2a8Dk7hQE1gHnEWa+ZHlWfTZ7MxmgRm4IOXwl/D2o0ersYUn7mZomq7 +Ul4sCuEUXGHLM0Im1/fIiqcFVPcHuwBDfful2J0ibGN2shAFSqIMg7qfhBkiLNL t2hyajOxT4pR+szMIjn8fmP0HvKDvH5vuE3oCcudW3SoPiLerPYE81MmUc9rDxcH ThxAnCh9BMQwtJKyPONTrLrQ227WTwLJDBClJj45x0FhEKiPFBNbjFcJjFJwTPhc jRTmG/5OrmCkKrTO6oNGU5vHOCOfdJqXjdq1EA2zZTSD4pWiYIz17X1V2G8Bfz0= =snOq -----END PGP SIGNATURE-----