public static byte[] fromHex(String paramString) {
		byte[] arrayOfByte = new byte[(paramString.length() + 1) / 2];
		String str = null;
		int i = 0;
		int j = 0;
		while (i < paramString.length()) {
			str = paramString.substring(i, i + 2);
			i += 2;
			arrayOfByte[(j++)] = (byte) Integer.parseInt(str, 16);
		}
		return arrayOfByte;
	}