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-tomcat-apache_12.1-1_amd64.tar.gz.sig gpg: Signature made Tue Jun 4 16:34:00 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum dc8f7ab840fc7c4912906610792d845d0773de00 * md5sum 1304e97c8c69a0e600bb063d6015a452 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) iQEcBAABAgAGBQJRrhbvAAoJEIXCXpWhbrlNhEoIANSMng+VasUrTRyR2Srtwf+/ d73uhXgGEZGHC5wzSCjVP2KB7wUHJId1B3K8W9XYpRAx43S780wiMceE7Kgh4qvQ x3xvDvnCAwJcQu3BkDEe8Zo5/cNomdkdN7CCsfkU+mPub5BJz+Oow9URA8L0D6K/ z3ERa87iuQqfSAwAeHdiRn2V1ekosoNOyxpXwFglHXUipxF5MKT5NscafDCacRBS zEfGuarq/680RMsxc/XJxoqFLXVRbxX2woU5Zm4D4qpMYiimVj7aAc66An/MU45E y49MEemSKiueqiz56rIlvILn9LtDoi/K1d/4Wny1ZcwWhon63uk116g+kjWkY4E= =ZDrx -----END PGP SIGNATURE-----