The new AES key (which has 32 digits) and we have to split in 2 half, is not the problem.
Let me explain on other way; TPS uses several keys, each key got 16 digits, and give a “name” to each key like:
**, **, **, **, **, **, **, **, **, **, 0F.
The problem I find is that in some web I found...