save-decrypters

re-revelations2-unpacker

A tool to unpack Resident Evil: Revelations 2 PS Vita save-games.

USAGE: ./vita-re-rev2-unpacker [option] filename

OPTIONS        Explanation:
 -u            Unpack File
 -p            Pack File

Hashes

Note: this tool also updates the DWADD checksum and SHA1 integrity hash.

DWADD (Little-endian)

[Update DWADD checksum (Required)]
set [csum]:0
set [csum]:dwadd_le(0x000010,0x1279AF)
set [csum]:endian_swap
write at 0x000008:[csum]

SHA1

[Update SHA1 hash (Required)]
set pointer:eof-0x1F
set range:0x0010,pointer
set [hash]:SHA1
write next (0):[hash]
set range:pointer,pointer+0x14
endian_swap(4)

(SHA1 hash is stored as 5 DWord little-endian values)

Credits

Unpacker Tool by Bucanero

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