Back in November of 2007, it was announced that disc copying firm SlySoft had broken the BD+ DRM used to protect Blu-Ray discs. While the solution was not open source, it was nevertheless hailed as an important step in defeating a schema oftened considered draconian. Now, users of the well-known doom9.org community have broken the door wide open with a FOSS solution.
While the read is extremely technical, it is altogether extremely compelling. Having an open source solution to defeat the BD+ protection schema could mean broader adoption of Blu-Ray on the PC.
On the other hand, this maneuver will undoubtedly scare BD+ proponents who are quick to revoke current hardware keys in favor of new ones. Such a move could make it impossible to play current discs on future hardware featuring the newer keys.
The hack was accomplished by emulating the virtual machine that BD+ uses to execute its protection code.
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