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-zurmo_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 14:56:54 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 25966b5e641cd15f7798990a8b0a70c778488925 * md5sum da7c71d4f264da334d970d23f91d4d50 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) iQEcBAABAgAGBQJQM6GuAAoJEIXCXpWhbrlNzEwIAL6mBzjPAGoD9IBb1bfOPk05 H/YASEQ7uS13QFtGxxccb9LLliNu2Q35kABwOlk4m/JsVcFXO+pui6QIqb8EkafP BwD1oTQqkxqNbV01b8mIwnla9VdY/0/I1/a9ZzqyoDlmB4Pm9eRkvyf15o38Z3h/ Mcv4eEo26w/dvR9uDfuBR9mjC482Oo3yL7D5Gdo4H8eKftIs+16SOG6gOAS1jV1/ gZQ5cEmq9lvFZ/KU7jpZsyGllvZkcIf+DfcKcJjEKRQTsz4vCQFsWJubZMu/ZYT3 b1kj9R9MpWUjwPA4diE5316Exl8KDUlGi5HrKmRwoHJR+22W19zPIj1M/QE6JqM= =HFAN -----END PGP SIGNATURE-----