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-canvas_12.1-1_i386.tar.gz.sig gpg: Signature made Tue Jun 4 20:14:58 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum acba2eae53cd54a8001ad84defcdf5cf7fd32c96 * md5sum 2de0df14828648b9fc3696e6fa1edc6a 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) iQEcBAABAgAGBQJRrkqvAAoJEIXCXpWhbrlNPKUIAKHr0C4v8shUpZ/aZE44Kp6A sQ13tvpTzsajg+zhaFZkE1bFMbkaZgOLqWcW2ZC8/SxnPHSVi6n6zm+WvtBKR97L ptuUjwr29oiLJgV9qBcdJQJY+woLjfGUtzCM1Hr2DIiOOGQPeCNEZlcesDERYDUJ v4nUZnZM/aoT+ctqL+T9lfOZ4WYh5ltaLmjUstxDLzB6rbE/B/x7Mg7S6keu8P21 XNTyTf69AKigOmmeq0eMPkFSRP4S8JwNO0UYQHvxSdOS1hyMtjqT7Flgg/dgpDOM hZA2J4s0urzBUPbsKFpe52O2fGuBnEd30/qcfIuNTooV2P4VMy95BSVAHEK2Irg= =t39p -----END PGP SIGNATURE-----