It really depends. The DMCA does have limited exemptions for reverse engineering for interoperability. The EFF has a good overview: https://www.eff.org/issues/c

It really depends. The DMCA does have limited exemptions for reverse engineering for interoperability. The EFF has a good overview: https://www.eff.org/issues/coders/reverse-engineering-faq https://www.eff.org/issues/coders/reverse-engineering-faq (search for DMCA). My personal takeaway is that this question cannot be definitely answered outside of court.