where nvram_AES_encrypt, nvram_AES_decrypt calculations need to be extracted.
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As a result of the calculation here, the data comes out as 32 bytes and written to the LD0B_001 file.
This is what happens when the 32 bytes of data are decoded here (not sure).
Data : ff ff ff ff ff ff ff ff ff ff (hex)
Aes data : 4A B9 6D 2F 1A 79 25 C7 00 DB 7E 7F 21 77 56 79 3F 08 6B AD D5 6D 9F A3 8E BF 88 56 D4 AE A0 A7 (hex)
I have no idea with which aes it is used and how it is calculated. It can be prepared in Delphi or different languages.