I have same issue, but I think it is a 8 - byte value.
hungvo2010
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I find that the Dask provided. by Apple can only be used to verify spc, ckc. If you want to test playback with a FPS Client, request the FPS deployment package.
Did you find a solution for this? We are also looking for a way to encrypt audio with FPS on Linux.
Have you found a way to solve your issue?
Any news on that?