[Java] Base64 - 2

- 암호화 -
public final static String encodeSun(byte[] str) {

        String b64enc="";
        sun.misc.BASE64Encoder encoder = new sun.misc.BASE64Encoder();
        b64enc  = encoder.encode(str);

        return b64enc;
 }


- 복호화 -
 public final static byte[] decodeSun(String str) {

  byte[] b64dec = null;

  try {

       sun.misc.BASE64Decoder decoder = new sun.misc.BASE64Decoder();
       b64dec = decoder.decodeBuffer(str);

  } catch (IOException ex) { }
        return b64dec;
 }


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base64.js

-jsp-
<script type="text/javascript" language="javascript" src="${contextPath }/js/base64.js"></script>

form.s_pw1.value = "1234";
form.s_pw2.value = Base64.encode(s_pw1);

-java-

import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

BASE64Decoder decoder = new BASE64Decoder();
String pw1 = new String(request.getParameter("pw1"));
String pw2 = new String(request.getParameter("pw2"));
String pw3 = new String(decoder.decodeBuffer(request.getParameter("pw2")));

BASE64Encoder encoder = new BASE64Encoder();
String pw = encoder.encode(decoder.decodeBuffer(request.getParameter("pw2")));