fromHex function
Implementation
Uint8List fromHex(String hex) {
final length = hex.length ~/ 2;
final bytes = Uint8List(length);
for (var i = 0; i < length; i++) {
bytes[i] = int.parse(hex.substring(i * 2, i * 2 + 2), radix: 16);
}
return bytes;
}