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-drupal6_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 13:41:06 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 65f030d43fc9cd5b2d1ad9310f65946e50f1e96d * md5sum a0c9762dae1cfc767ce5dc02c7293a9b 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) iQEcBAABAgAGBQJQM4/pAAoJEIXCXpWhbrlNRH8H/1hOAh68RvGeUb3A1wxKQPac 1+hKMN1YijKuo3yVxPzpH3W+p5YQzl05nH5mUbLG+CUl6crNo6xVECPQoTQVehjE G4hYSzyK3FwS5LmFPLRnNyJDxjjuEa5gduKXJ3oEVDUTDabpRJ60xHOW8PoU7LaJ nfZieNVvSx9ZqSk9wGlMn35PcsLAkMn39F4Cdvl6G7Zyq5VnyMkwu43e6bB0AM6+ jRq5po7Ag8HSktx9swfjPB1P88rJ5M9q+Ug83C5hw7XQh2EV3OiY5GNkwWCQvaCN fApwRZ/7H02w2ZXI6BxB4rcIjOb3EHQSZrBMp2iPUvRp/CVaYNhwioAwt3AN4DY= =yj7w -----END PGP SIGNATURE-----