<?php
require_once("rsa.class.php");
class RSAProcessor
{
 private $public_key = null;
 private $private_key = null;
 private $modulus = null;
 private $key_length = "1024";
 public function __construct($xmlRsakey=null,$type=null)
 {
         $xmlObj = null;
   if($xmlRsakey==null)          {
           $xmlObj = simplexml_load_file("xmlfile/RSAKey.xml");
          }
          elseif($type==RSAKeyType::XMLFile)          {
           $xmlObj = simplexml_load_file($xmlRsakey);
          }
          else          {
           $xmlObj = simplexml_load_string($xmlRsakey);
          }
        $this->modulus = RSA::binary_to_number(base64_decode($xmlObj->Modulus));
		$this->public_key = RSA::binary_to_number(base64_decode($xmlObj->Exponent));
		$this->private_key = RSA::binary_to_number(base64_decode($xmlObj->D));
		$this->key_length = strlen(base64_decode($xmlObj->Modulus))*8;
 }
 public function getPublicKey() {
  return $this->public_key;
 }
 public function getPrivateKey() {
  return $this->private_key;
 }
 public function getKeyLength() {
  return $this->key_length;
 }
 public function getModulus() {
  return $this->modulus;
 }
 public function encrypt($data) {
  return base64_encode(RSA::rsa_encrypt($data,$this->public_key,$this->modulus,$this->key_length));
 }
  public function dencrypt($data) {
  return RSA::rsa_decrypt($data,$this->private_key,$this->modulus,$this->key_length);
 }
  public function sign($data) {
  return RSA::rsa_sign($data,$this->private_key,$this->modulus,$this->key_length);
 }
  public function verify($data) {
  return RSA::rsa_verify($data,$this->public_key,$this->modulus,$this->key_length);
 }
}
class RSAKeyType{
 const XMLFile = 0;
 const XMLString = 1;
}