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-tomcat_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 19:37:49 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum ff6525f5864df20edd94c408c018460528d78b98 * md5sum 814cc1f123c2855f3f4136c95fedc384 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) iQEcBAABAgAGBQJSXZmDAAoJEIXCXpWhbrlNoJwIAIMPmXHgCuTDRVP9qDuV6V+b TmtsmbQ+oUI9/FiTf7FLkhpi4Wta7gU7A5P8ELH8/3fMwlh7ve4PAWWBZP9messY 0QuKcCTdKWs1azNTMRrMDM+RkZNJMiG/ltujs+/acT992IvcrWri/FH+BiFOaV6O Qalk2tNugTeAGvWRJYubgFdOxOEIADqhRRiweipa9ol+WnWkB5BEN7TuP0K0p4m9 N5lD3ZeFgVtt3uh+I6/GkRL6xkYhAi1llQ+ZOs/q6f7Vqt1XoflzKI0fqiJYnR3I kEpn9EjgGTnBS5uqqs3cuY4ZEBgcFZiGVjhRJ4twcgRiy74pR5BPntp2VD+nnHw= =o736 -----END PGP SIGNATURE-----