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-7-turnkey-redmine_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 18:34:10 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 79a23ee16455d08029db06c05ec399b5f3024b16 * md5sum b7bece609ed42b908aab05114fb53048 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 v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSXYqVAAoJEIXCXpWhbrlNFVoIAN+kTiKj2fQ0Jmwk7A5Qepk4 UDCXJeY/wnWq2aUwvV18PUcgBljw8p6J3W546tCpZ7ma04DHscPWwzEWHZv0Sw4z LtqwTmTlFgt6UL1WufT2vrXedIqeBOEyWWjcgz/Yt/XwTMRHPO9AuwtlrCGZvV9B goJuMp+PN9vliVE+H4LGyfJ9Lc8NXckJYvtS67Fe/rU9DFFJL71XMeoFqPAIYnGQ RMeXFTGwS3poqj4cY2TYPobcV/irB3F4+a4Ptc15f4VH+kkgz0ltfcjDhNxYU4Ai aycv76XK3fAAtrT3A4coc/hbDKZMNZQMmfN35SdbvgtyhsvzNz+5DXq6wK8i+KU= =rSpw -----END PGP SIGNATURE-----