Uncharted 4: A Thief’s End

CUSA00341.savepatch

1. Decrypt USR-DATA (Required)

Target File: USR-DATA

set [end]:read(EOF-3, 4)
set [end]:endian_swap
set range:0x000008,[end]+7
DECRYPT blowfish_ecb("(SH[@2>r62%5+QKpy|g6")

2. Update CRC32 checksum for USR-DATA (Required)

Target File: USR-DATA

set [block_length]:read(0x58C,4)
set [block_length]:endian_swap
set [block_length]:[block_length]+0x587
set range:0x58C,[block_length]
set [hash]:crc32
set [hash]:endian_swap
write at 0x588:[hash]

3. Update HMAC SHA1 checksum for USR-DATA (Required)

Target File: USR-DATA

set pointer:EOF-0x1F
set range:0x000008,pointer
set [hash]:hmac_sha1("xM;6X%/p^L/:}-5QoA+K8:F*M!~sb(WK<E%6sW_un0a[7Gm6,()kHoXY+yI/s;Ba")
write next (0):[hash]

4. Encrypt USR-DATA (Required)

Target File: USR-DATA

set [end]:read(EOF-3, 4)
set [end]:endian_swap
set range:0x000008,[end]+7
ENCRYPT blowfish_ecb("(SH[@2>r62%5+QKpy|g6")