That's not how the DMCA works. Circumventing these measure is completely illegal. It's just that doing it on your own software is very unlikely to have anyone f

That's not how the DMCA works. Circumventing these measure is completely illegal. It's just that doing it on your own software is very unlikely to have anyone find out. But it's a problem for researchers, who generally want to publish their findings (or at least was the last time I was really paying attention to the law in the early to mid 00s).