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-owncloud_13.0-1_amd64.tar.gz.sig gpg: Signature made Wed Oct 16 09:38:58 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum c128473ec6f242cf7603efac58e7f07d1bb54a2a * md5sum 97712fb40690ee4c78d1a7ea40a990c6 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) iQEcBAABAgAGBQJSXl6rAAoJEIXCXpWhbrlN9TEIAMazbYkZWCYnsUNo0+jBwYyy 7/jI69ilE5qHaH7yzFWFuWbRMy268azE+IBMdfzNHCkyucHoWRWW9kNQOTP3j3go F+ioZMi6pjtZk8JBJTd2cU7J6SO0k/ywaMxv6gf3aGjXOrNIuWzr4X+czdY6QIDv DI8YGhS0K6Z4o8yN3hQ4ZMaCj82t2ZFLwA6acoztQdNe8hE3aHrmFzoyf+OGKYjp wvvRhaeEWuojazd7tJdEHkj3hyHfe5zC5qtXwOwyvF5RwaK/F7/RQ1Hhg7Xh2D0K 21oWnVWQkLHo4cq757aij1Ang+YJWnbtSFa3dVzvpTy7bZov6EIqyxQ0FcuWves= =g6BL -----END PGP SIGNATURE-----