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_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 13:15:00 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 323257fb8b2cb2c7ea5735976460316c09573bf4 * md5sum a52fd07b687dc4e9a43d5df9f44a20cf 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) iQEbBAABAgAGBQJRrehNAAoJEIXCXpWhbrlN2FMH+JI3za8TVaZ0nlWk5FbxNb7m +qLOVpscooxqrMLxk3fMy2/C7C9onSnhmBmn4Y9/m84vD6yybz3nFK4CVCE96wNM 4gNoJROAwySn2KNb2w1RrxZofQ3qVufe3RfcQv+N0owV4TkWci7qtd/gXkSK0p+3 ZTkQR/IYLAzgcdKtM1Z2H6etCp00EbF/srP3mFw6MMUW4/ys0b+8zvlbVNqNOHtz RSMmTG4x5Jzty/mswmjSm1Gc84tYkzkIKy4uIKvJNo8xXrsWGj41JBwpO1StElWM gO74N16gJd4YawUnIdkgOVbxpThk1JnTPo+648OmtCFSw7gjR8KnT3S88/HH/w== =xO0H -----END PGP SIGNATURE-----