From The Apple Wiki

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
0x2E4 -- Secpack version information
0x77C -- Magic 0x01FEDABE
0x780 -- Sections(PA, Virtual Length, Physical Length, Flags)