AACS support library for Blu-ray playback
libaacs is a research project to implement the Advanced Access Content System specification. This research project provides, through an open-source library, a way to understand how the AACS works. This research project is mainly developed by an international team of developers from Doom9. NB: this project doesn't offer any key or certificate that could be used to decode encrypted copyrighted material.
Homepage: https://www.videolan.org/developers/libaacs.html