$finalize method
Finalizes the message digest with the remaining message block, and returns the output as byte array.
Implementation
@override
Uint8List $finalize() {
_high ^= xorOutHigh;
_low ^= xorOutLow;
return Uint8List.fromList([
_high >>> 24,
_high >>> 16,
_high >>> 8,
_high,
_low >>> 24,
_low >>> 16,
_low >>> 8,
_low,
]);
}