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-processmaker_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 15:32:16 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 962585a137906296726b8e40bb39c0560dfa9763 * md5sum e0572c5d39a3959e3ba4ca3e37de978c 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) iQEcBAABAgAGBQJRrgh3AAoJEIXCXpWhbrlNS+wIAOlIeCycCypUH622iqmn3A18 4/EZmw+I3uujf8UYxe+9qkFVBrNzClxHAFIiCDxVZmhNGMtcOAqV+tBQCuXLDMM5 iRl2yCzje9z07A7RMZPP2jjWMus+LIxWPX1YfN6y0JDbBM7tzTZqLCkZy9cYom0w s2ZdNwr7ypNGmlb5Qjm6k1oe5t6UYunlqz6k92HLQUs6xDLQJinPBjLQ8lrf0dP+ b6i2bsbhiZBot+vAqrinPxvG/pkHZJGq7Jx0tK5oscAVZo1LyZcQG2rsr404qLl3 7x5btuYqnboJIZGDfk2fTy9F54PC2p+W+EikZmgIteTSRXBZpaX4V/XAxnOaGvc= =5dtY -----END PGP SIGNATURE-----