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This is the S-Gold 2 security section on files it is uploading. It is at 0x1A4-0x9A4 in fls and eep files.
0x0 -- RSA Signature, decrypted with key 2 0x200 -- Descriptor + Unused Code 0x77C -- Magic 0x01FEDABE 0x780 -- Sections(PA, Virtual Length, Physical Length, Flags)