The header is one big block of encrypted data at the beginning of the data.bin. It consists of 64 byte blocks and ends in front of the first 64 byte block starting with 0x00000070 followed by 0x426B0001.
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The header is one big block of encrypted data at the beginning of the data.bin. It consists of 64 byte blocks and ends in front of the first 64 byte block starting with 0x00000070 followed by 0x426B0001. The header is believed to be the image seen in the save menu, but there is no direct evidence for this.