Have you really explored this area? Laws are very strict in EU / Europe, US, China, India.. There are no loophole against court order... and mainly for regulatory approvals, if you don't have that capability, your application will be rejected. I work in Telecom enviroment and your response makes me believe that you haven't really explored this area.
Since the encryption code won't be available, we'd be forced to use prebuilt binaries. I'd put loopholes, required by legaleese, there..