<%@ page contentType="text/html; charset=euc-kr"%> <%@ page import="java.util.Date" %> <%@ page import="java.util.HashMap" %> <%@ page import="java.util.Iterator" %> <%@ page import="java.io.PrintWriter" %> <%@ page import="java.io.BufferedReader" %> <%@ page import="java.io.InputStreamReader" %> <%@ page import="java.net.URL" %> <%@ page import="java.net.HttpURLConnection" %> <%@ page import="java.text.SimpleDateFormat" %> <%@ page import="java.security.MessageDigest" %> <%@ page import="org.json.simple.JSONObject" %> <%@ page import="org.json.simple.parser.JSONParser" %> <%@ page import="org.apache.commons.codec.binary.Hex" %>