private static byte[] EncryptPBRSaveData(byte[] input)
{
byte[] output = new byte[input.Length];
for (int base_ofs = 0; base_ofs < SaveUtil.SIZE_G4BR; base_ofs += 0x1C0000)
{
Array.Copy(input, base_ofs, output, base_ofs, 8);
ushort[] keys = new ushort[4];
for (int i = 0; i < keys.Length; i++)
{
keys[i] = BigEndian.ToUInt16(input, base_ofs + i * 2);
}
for (int ofs = base_ofs + 8; ofs < base_ofs + 0x1C0000; ofs += 8)
{
for (int i = 0; i < keys.Length; i++)
{
ushort val = BigEndian.ToUInt16(input, ofs + i * 2);
val += keys[i];
BigEndian.GetBytes(val).CopyTo(output, ofs + i * 2);
}
keys = SaveUtil.AdvanceGCKeys(keys);
}
}
return(output);
}
