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-b2evolution_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 13:26:14 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 88c65d9c05a31b077fa1b01816f8495b54834d7c * md5sum 5b2d5daaab075f420d54a6614f7053c7 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) iQEcBAABAgAGBQJQM4xuAAoJEIXCXpWhbrlNwlQH/iecPFI4dhJOqToIg9X/GGel W7NlvQJIT49Pm29wpx9kCy22H+hrEzVBD7Bs9NNUj7YWwu699NPGa3cxQHzzQXps 3yDOm0ZZR4iYGJhRnC6UaZhZWbQnr6gZ3ragJoQbbdhZxoZhtiYQBfnupUWr40Ka V0J8pI7BofII+NrVo38U9VOu96jOoMw94LpwLM0LCwZpsrWREAlxSwKGzSFO6qcr +x4F0MNP34pZdw4UTS22Qh+wO73DaqSruTUmamZ+1vI4zIYq4FnrFgmVe1rldYZI 8S6GqSdrYPm0rq4mLCgHMTaPAJ5S2C+4PO8TfzL67b35BnmUAeS7Tpfv9bfUtwg= =l9mU -----END PGP SIGNATURE-----