I will do my best to copy and paste what I've put together over the years over on Computer Audiophile in the next few days.
Net/net, one needs to decrypt the bluray disc using a tool like MakeMKV. Once that is done software like DVD Audio Extractor or Audiomuxer will then rip the hirez audio to flac or wav, etc. You can rip the 2 channel content and the multichannel content as well.
BTW, the White Album is sublime. I am listening to the hirez 2 channel, but have the multichannel folder ready for when my mch system is back up.