Does it mean anything for the Ipad 2 Jailbreak ? I'm confused... It seems the encryption keys are in the chip in these Ipads, so I wonder if this article means

Does it mean anything for the Ipad 2 Jailbreak ? I'm confused... It seems the encryption keys are in the chip in these Ipads, so I wonder if this article means that they could get the keys from the hardware ? If so, how is it related to an OS in particular ?