17 U.S.C. §1201(a)(2)
"No person shall manufacture, import, offer to the public, provide, or otherwise traffic in any technology, product, service, device, component, or part thereof, that:"
A) is primarily designed to circumvent a technological
B) has only limited commercially significant purpose
other than to circumvent a technological measure; OR
C) is marketed for use in circumventing a technological
Circumvent a technological measure: Descramble a scrambled work, to decrypt an encrypted work, or otherwise to avoid, bypass, remove, deactivate, or impair the technological measure, without the authority of the copyright owner.