public long getLengthWithPadding() {
		int remainder = dataLength % 0x10;
		return dataLength + (0x10 - remainder);
	}
Returns an array contains the DATA. It
will be padded as needed.
@return an array of data
@throws IOException
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/ios/img3/tag/DataTag.java