I try to encrypt the ssd drive on ReComputer industrial

Can someon help me with the disk encryption on de ReComputer Industrial Orin NX 8g?
I used the documentation Flashing Support — Jetson Linux Developer Guide documentation. Everything work on yout Recomputer j40 because the sdk 5.1.2 work on that device. We are lunching a big project with your Recomputer industrial we really need to have the 5.1.2 to encrypt this disk. Can you please provide us more detail on how we can accomplish that procedure with the 5.1.2 or a way to do it with the 5.1.1 ???