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-rails_12.1-1_i386.tar.gz.sig gpg: Signature made Tue Jun 4 23:49:46 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 8aeafaaedb49003279f3aec4b5dd81166129b8ac * md5sum b0f673dc46ad9589c6f71e8c1f7e1457 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) iQEcBAABAgAGBQJRrn0PAAoJEIXCXpWhbrlNcHYIAKDPSYv4S5KfwlJbcs9OFgji 1AImIahjXajC0DUhYQtohm0c7NszAYywK3YSnC0CHWGPOkqEx/HQUuxIPX5iuvb0 DLzt2Ohq8aQybwwhMAtxXeT3WAdFbZ1wRjfos4vbINSU0KeMIQn4pdcTQ/W++NL/ +SuxxN0os2xiYRImwFBeHT96CMY3cMVwgcbQEnjul/aIdPIBc4uAeH75GVlTUMjN juWG/70Udjvh98vK+nw6zYpFK8b5PEQCFsy5huJxWdNUc7+a+khzTVFMnYpTfjGZ wIbXBwLHQBL19ouohcE3RkUqmpp4pY8JyydMdSEhDc4hHrCctqytpcdG39Tb7+c= =EVBp -----END PGP SIGNATURE-----