@peter-gamma I thought I had said all I needed to on this already (please see my comments above)but......So, please stop pushing Veracrypt and if and when you solve FDE on UT please come back and tell us how.
Until then count this as a friendly warning and stop. This was not your thread to start with, it's never a good idea to hijack a thread and those with more skill and knowledge (and I don't include myself in that) have already explained it is not currently possible. Thanks