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 turnkey-elgg-12.1-squeeze-i386-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 21:21:32 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum df8f10ebd6b84734123af1f7e20dea521fbfbb9f * md5sum c454186f3d61f353bfef5a801201a074 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) iQEcBAABAgAGBQJRrlpRAAoJEIXCXpWhbrlNjbEH/iL1YNPzQUe3ElXenq3Xo2/H 8vi1lbMXYuzZrOF/Rq0Ea1bMY/xGq+ZaKPRN1Mr9OUZTZSOclv4NkxtxsWCN9RCK gkvsb5gW+tDM3/e012oex07gTvTqVBhwJCCmgDx3DLe+lPY/LY47DH6E6FH4KG6e SLu3hyhdOaFv3zNPG0hgqlifVSrafskUly0ltb6zdUB6nhuxJTS0Wm+40uT8h4eQ aH0mA/T/ZjRiz0ces/9bfl0JEonaYe170FyB/4taZc7Q6U6cl8VTQbtvfKrcs/Ah Is9OFvzxsUdovUlFXtN7/Oyv9/+OXj5XqTIH2xNnR9vJ7DYTgPPRHKUqT89MlmY= =lhdX -----END PGP SIGNATURE-----