Changes

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* First & Second hash are not understood yet.

* The first-hash is a SHA256 hash over the second-hash, with the buffer padded to the second-hash 1<<x block-size.

* The second-hash is a SHA256 hash over the hash-table, with the buffer padded to the hash-table 1<<x block-size.

'''DPFS'''

'''DPFS'''

The first partition's data starts at 0x2000. First comes the hashtable (usually start @ 0x40 into the partition) and then the filesystem.

The first partition's data starts at 0x2000. First comes the hashtable (usually start @ 0x40 into the partition) and then the filesystem.

The hashtable entries' size is 2^x where x is the 'Hashed block size' from the IVFC block.

The hashtable entries' size is 2^x where x is the 'Filesystem block size' from the IVFC block.

'''DIFI Hash'''

'''DIFI Hash'''

The last 0x20-bytes of the partition following the DIFI, IVFC and DPFS is a 0x20-byte hash, it is unknown what it's hashing. The offset to this hash is stored in the DIFI. When a savegame image is initially created, this hash is all-zero. Later an actual SHA256 hash is written here, but it's unknown when that's done.

The last 0x20-bytes of the partition following the DIFI, IVFC and DPFS is a SHA256 hash. The offset to this hash is stored in the DIFI. This hashes the IVFC first-hash, with the buffer padded with zeros to the first-hash 1<<x block-size.

'''Summary Drawing'''

'''Summary Drawing'''