In some of the other threads on this topic there were very many explanations why that is not possible. At root of it is that even with a flash memory image, b

In some of the other threads on this topic there were very many explanations why that is not possible. At root of it is that even with a flash memory image, brute-forcing AES-256 is impossible. And the key is key fused into the processor and no software or firmware can read it directly.