public void Run( SaveBlock buffer, int offset, int length )
{
for( int i = offset; i < offset + length; i += 2 )
{
//test this little endian conversion
var bitmask = Next();
buffer[i] = (byte) ( buffer[i] ^ ( ( ( bitmask & 0xff00 ) >> 8 ) ) );
buffer[i + 1] = (byte) ( buffer[i + 1] ^ ( bitmask & 0xff ) );
}
}
public static void BlocksForEncryption( SaveBlock _buffer, uint Personality )
{
ShuffleBlocks( _buffer, Personality, toencrypt );
}
static void ShuffleBlocks( SaveBlock _buffer, uint Personality, int[] indexes )
{
var blocks = new byte[4][];
for( int i = 0; i < 4; i++ )
{
blocks[i] = new byte[32];
for( int j = 0; j < 32; j++ )
{
blocks[i][j] = _buffer[i * 32 + j];
}
}
for( int i = 0; i < 4; i++ )
{
var toindex = ExtractShuffleIndexFromArray( i, Personality, indexes );
for( int j = 0; j < 32; j++ )
{
_buffer[toindex * 32 + j] = blocks[i][j];
}
}
}
public NdsPkm( SaveBlock buffer, bool fromPkm )
{
_buffer = buffer;
EncryptionState = fromPkm ? PkmState.Decrypted : PkmState.Encrypted;
}