I work for a small software firm and we're looking for a secure way to distribute software on a USB stick. By secure I mean reasonably copy-proof (the cost of making a working copy should be high). While we were expecting to find vendors that sell some sort of combined storage and dongle on a USB stick, we really haven't found appropriate ones. (The goal here is to allow software to run without standard installation -- even without elevated privilege.) Any suggestions of how to start the search?

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