Bureaucrats, oversight, Administrators
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After decrypting the trailblock, xx is always 0x3A, and yy is the size of the ES block (excluding the trail block). It is assumed that qq is a MAC (Message Authentication Code), used to verify the contents of the ES block after decryption, but this has not been verified yet.
After decrypting the trailblock, xx is always 0x3A, and yy is the size of the ES block (excluding the trail block). It is assumed that qq is a MAC (Message Authentication Code), used to verify the contents of the ES block after decryption, but this has not been verified yet.
Data larger than 0x20000 bytes is split into multiple ES blocks, each with their own trailblock.
ES block encryption is used to encrypt the B4 block, 440 block, and the 11 parts.