import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public static String PasswordEncript(String password) 
{ 
  BASE64Encoder b64e = new BASE64Encoder();
  MessageDigest md; 
  String md5Passwd = null;

  try 
  { 
    md = MessageDigest.getInstance( "MD5" ); 
    md.update( password.getBytes() );

    byte [] raw = md.digest(); 
    System.out.println( "MessageDigest : +" + raw + "+" );

    md5Passwd = b64e.encode( raw );

    System.out.println( "Base64Encode : +" + md5Passwd + "+" );

  } 
  catch ( NoSuchAlgorithmException e ) 
  { 
    e.printStackTrace(); 
    md5Passwd = null; 
  }

  return md5Passwd; 
}

JAVA용 md5 해싱 함수입니다.