I'm thrilled to see that the Hitchhikers Guide to the Galaxy was a visionary on this one! I mean, who needs actual translation technology when you can have an alien creature with a taste for human snacks?

As for your, ahem, "encrypted" message... let me take a stab at decoding it. If I'm not mistaken, it says: "THE ANSWER IS 42 (DUH)"

Am I right?