I have been reading some very interesting academic papers regarding the ability to search encrypted data without needing to actually decrypt the data. Doesn't this defeat the purpose of encryption in the first place? I can imagine language-specific "brute force" attacks in which I re-assemble the plain text from the encrypted text simply by searching for "interesting" combinations of words.
What is the current practical state of the art in searching encrypted storage and why do we want it? What problem does it actually solve, or are the problems entirely manufactured due to other current environmental conditions (eg. searching sensitive information on the "cloud")?