condom contraceptive HIV infection

I read in today's The Forum of Fargo-Moorhead that the Pope has ambiguously hinted that, in the case of male prostitution, condom use might be a feasible solution toward the prevention of HIV infection. That is not to say, in his seeming double-talk, that the Roman Catholic Church approves of condom use for heterosexual relations or any contraceptive besides the rhythm method, i.e. no substantial birth control or infection...