PHP mcrypt_generic_deinit函数代码示例

 public function decrypt($encrypted, $corpid)
 {
     try {
         $ciphertext_dec = base64_decode($encrypted);
         $module = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_CBC, '');
         $iv = substr($this->key, 0, 16);
         mcrypt_generic_init($module, $this->key, $iv);
         $decrypted = mdecrypt_generic($module, $ciphertext_dec);
         mcrypt_generic_deinit($module);
         mcrypt_module_close($module);
     } catch (Exception $e) {
         return array(ErrorCode::$DecryptAESError, null);
     }
     try {
         //去除补位字符
         $pkc_encoder = new PKCS7Encoder();
         $result = $pkc_encoder->decode($decrypted);
         //去除16位随机字符串,网络字节序和AppId
         if (strlen($result) < 16) {
             return "";
         }
         $content = substr($result, 16, strlen($result));
         $len_list = unpack("N", substr($content, 0, 4));
         $xml_len = $len_list[1];
         $xml_content = substr($content, 4, $xml_len);
         $from_corpid = substr($content, $xml_len + 4);
     } catch (Exception $e) {
         print $e;
         return array(ErrorCode::$DecryptAESError, null);
     }
     if ($from_corpid != $corpid) {
         return array(ErrorCode::$ValidateSuiteKeyError, null);
     }
     return array(0, $xml_content);
 }

 public function computeSign($sharedSecret)
 {
     if (!$this->isValid) {
         throw new Exception(__METHOD__ . ": Message was not validated.");
     }
     try {
         // ak mame zadany shared secret v hexa tvare tak ho prevedieme na 32 bytovy string
         if (strlen($sharedSecret) == 64) {
             $sharedSecret = pack('H*', $sharedSecret);
         }
         $base = $this->GetSignatureBase();
         $bytesHash = sha1($base, TRUE);
         // vezmeme prvych 16 bytov
         $bytesHash = substr($bytesHash, 0, 16);
         $aes = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_ECB, '');
         $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($aes), MCRYPT_RAND);
         mcrypt_generic_init($aes, $sharedSecret, $iv);
         $bytesSign = mcrypt_generic($aes, $bytesHash);
         mcrypt_generic_deinit($aes);
         mcrypt_module_close($aes);
         $sign = strtoupper(bin2hex($bytesSign));
     } catch (Exception $e) {
         return FALSE;
     }
     return $sign;
 }

 public function decrypt($text)
 {
     mcrypt_generic_init($this->td, $this->key, $this->iv);
     $decrypted = mdecrypt_generic($this->td, $text);
     mcrypt_generic_deinit($this->td);
     return $decrypted;
 }

 public static function decrypt($data)
 {
     $crypteddata = base64_decode($data);
     // HMAC is the last 32 bytes
     $givenhmac = substr($crypteddata, -32);
     // now we check that the payload actually matches the HMAC
     $crypteddata = substr($crypteddata, 0, -32);
     // data without the HMAC
     $knownhmac = hash_hmac('sha256', $crypteddata, Config::$a['crypto']['seed'], true);
     // compare the HMACs in a side-channel safe way
     if (!self::constantTimeCompare($knownhmac, $givenhmac)) {
         return '';
     }
     // the IV is the next 32 bytes, the actual size of the IV is not really
     // important since we get it dynamically
     $ivlength = mcrypt_get_iv_size('rijndael-256', 'ctr');
     $iv = substr($crypteddata, -$ivlength);
     // everything else is the encrypted payload
     $crypteddata = substr($crypteddata, 0, -$ivlength);
     // pass in the IV so that decryption can work
     $crypt = self::initCrypt($iv);
     $ret = mdecrypt_generic($crypt['mod'], $crypteddata);
     mcrypt_generic_deinit($crypt['mod']);
     return $ret;
 }

function enkripsi_plain2($algoritma, $mode, $secretkey, $fileplain)
{
    /* Membuka Modul untuk memilih Algoritma & Mode Operasi */
    $td = mcrypt_module_open($algoritma, '', $mode, '');
    /* Inisialisasi IV dan Menentukan panjang kunci yang digunakan*/
    $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
    $ks = mcrypt_enc_get_key_size($td);
    /* Menghasilkan Kunci */
    $key = $secretkey;
    //echo "kuncinya : ". $key. "<br>";
    /* Inisialisasi */
    mcrypt_generic_init($td, $key, $iv);
    /* Enkripsi Data, dimana hasil enkripsi harus di encode dengan base64.\
       Hal ini dikarenakan web browser tidak dapat membaca karakter-karakter\
       ASCII dalam bentuk simbol-simbol */
    $buffer = $fileplain;
    $encrypted = mcrypt_generic($td, $buffer);
    $encrypted1 = base64_encode($iv) . ";" . base64_encode($encrypted);
    $encrypted2 = base64_encode($encrypted1);
    $filecipher = $encrypted2;
    /* Menghentikan proses enkripsi dan menutup modul */
    mcrypt_generic_deinit($td);
    mcrypt_module_close($td);
    return $filecipher;
}

 public static function decrypt($string, $key = null, $salt = null, $iv = null)
 {
     $config = ConfigManager::getConfig('Crypto', 'AES256')->AuxConfig;
     if ($key === null) {
         $key = $config->key;
     }
     if ($salt === null) {
         $salt = $config->salt;
     }
     if ($iv === null) {
         $iv = $config->iv;
     }
     $td = mcrypt_module_open('rijndael-128', '', MCRYPT_MODE_CBC, '');
     $ks = mcrypt_enc_get_key_size($td);
     $bs = mcrypt_enc_get_block_size($td);
     $iv = substr(hash("sha256", $iv), 0, $bs);
     // Create key
     $key = Crypto::pbkdf2("sha512", $key, $salt, $config->pbkdfRounds, $ks);
     // Initialize encryption module for decryption
     mcrypt_generic_init($td, $key, $iv);
     $decryptedString = "";
     // Decrypt encrypted string
     try {
         if (ctype_xdigit($string)) {
             $decryptedString = trim(mdecrypt_generic($td, pack("H*", $string)));
         }
     } catch (ErrorException $e) {
     }
     // Terminate decryption handle and close module
     mcrypt_generic_deinit($td);
     mcrypt_module_close($td);
     // Show string
     return $decryptedString;
 }

 public function encrypt($string)
 {
     mcrypt_generic_init($this->cipher, $this->key, $this->iv);
     $cipherText = mcrypt_generic($this->cipher, $string);
     mcrypt_generic_deinit($this->cipher);
     return $cipherText;
 }

 public function decrypt($data)
 {
     mcrypt_generic_init($this->module, $this->key, $this->iv);
     $ret = mdecrypt_generic($this->module, $data);
     mcrypt_generic_deinit($this->module);
     return rtrim($ret, "");
 }

 public function decrypt($data)
 {
     // if($this->input->ip_address() == '10.52.66.172') {
     // var_dump($data);
     // die;
     // }
     $key = "secret";
     $td = mcrypt_module_open(MCRYPT_DES, "", MCRYPT_MODE_ECB, "");
     $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
     mcrypt_generic_init($td, $key, $iv);
     // mcrypt_generic_deinit($td);
     // if($this->input->ip_address() == '10.52.66.172') {
     // var_dump($data);
     // die;
     // }
     $data = mdecrypt_generic($td, base64_decode($data));
     // if($this->input->ip_address() == '10.52.66.172') {
     // var_dump($data);
     // die;
     // }
     mcrypt_generic_deinit($td);
     if (substr($data, 0, 1) != '!') {
         return false;
     }
     $data = substr($data, 1, strlen($data) - 1);
     return unserialize($data);
 }

 public static function decrypt($varValue, $clesCryptage = null)
 {
     self::initialize();
     // Recursively decrypt arrays
     if (is_array($varValue)) {
         foreach ($varValue as $k => $v) {
             $varValue[$k] = self::decrypt(urldecode($v));
         }
         return $varValue;
     } elseif ($varValue == '') {
         return '';
     }
     $varValue = base64_decode($varValue);
     $ivsize = mcrypt_enc_get_iv_size(self::$resTd);
     $iv = substr($varValue, 0, $ivsize);
     $varValue = substr($varValue, $ivsize);
     if ($varValue == '') {
         return '';
     }
     if ($clesCryptage === null) {
         $clesCryptage = self::$clesCryptage;
     }
     mcrypt_generic_init(self::$resTd, md5($clesCryptage), $iv);
     $strDecrypted = mdecrypt_generic(self::$resTd, $varValue);
     mcrypt_generic_deinit(self::$resTd);
     if (strpos($strDecrypted, "%") !== false) {
         return urldecode($strDecrypted);
     } else {
         return $strDecrypted;
     }
 }

 public function decrypt($encrypted, $appid = '')
 {
     try {
         $encrypted = base64_decode($encrypted);
         $td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_CBC, '');
         $iv = substr($this->key, 0, 16);
         mcrypt_generic_init($td, $this->key, $iv);
         $decrypted = mdecrypt_generic($td, $encrypted);
         mcrypt_generic_deinit($td);
         mcrypt_module_close($td);
     } catch (Exception $e) {
         throw new Exception($e->getMessage(), ErrorCode::$DecryptAESError);
     }
     try {
         $result = self::PKCS7Decode($decrypted);
         if (strlen($result) < 16) {
             throw new Exception('PKCS7Decode length less than 16', ErrorCode::$IllegalBuffer);
         }
         $content = substr($result, 16);
         $lenlist = unpack('N', substr($content, 0, 4));
         $xmlLen = $lenlist[1];
         $xmlData = substr($content, 4, $xmlLen);
         $fromId = substr($content, $xmlLen + 4);
     } catch (Exception $e) {
         throw new Exception($e->getMessage(), ErrorCode::$IllegalBuffer);
     }
     if ($fromId != $appid) {
         throw new Exception('Unvalidated Appid.', ErrorCode::$ValidateAppidError);
     } else {
         return $xmlData;
     }
 }

 /**
  * _getComplete
  *
  * method is prepare complete xml data call from callback url page.
  *
  * @param Dahius_VirtualPos_Request $request
  * @return string 
  */
 protected function _getComplete($request)
 {
     $response = new Dahius_VirtualPos_Response();
     $response->createdOn = time();
     $response->createdBy = $this->_name;
     // Check 3D Values
     $merchantPack = $request->threeDResponse["MerchantPacket"];
     $bankPack = $request->threeDResponse["BankPacket"];
     $sign = $request->threeDResponse["Sign"];
     $hash = strtoupper(md5($merchantPack . $bankPack . $this->_parameters->getPath("merchant_key")));
     if (strcmp($hash, $sign) != 0) {
         $response->code = -4;
         $response->message = "Package Not Matched";
         return $response;
     }
     // Get MD Status...
     $block = mcrypt_get_block_size(MCRYPT_TripleDES, MCRYPT_MODE_CBC);
     $tdes = mcrypt_module_open(MCRYPT_TripleDES, '', MCRYPT_MODE_CBC, '');
     $key_size = mcrypt_enc_get_key_size($tdes);
     $merchant_info = $this->_deCrypt($merchantPack, $this->_parameters->getPath("merchant_key"), $block, $tdes, $key_size);
     mcrypt_generic_deinit($tdes);
     mcrypt_module_close($tdes);
     list($mid, $tid, $amount, $instant, $xid, $tp, $tpo, $webURL, $ip, $port, $txStatus, $mdStatus, $errMsg, $transactionTime, $currency) = explode(";", $merchant_info);
     if (!in_array($mdStatus, $this->_parameters->getPath("valid_md_status"))) {
         $response->code = -3;
         $response->message = "mdStatus({$request->threeDResponse["mdStatus"]}) Not Valid";
         return $response;
     }
     $xml = "<?xml version=\"1.0\" encoding=\"ISO-8859-9\"?>\n                <posnetRequest>\n                    <mid>{$this->_parameters->getPath("mid")}</mid>\n                    <tid>{$this->_parameters->getPath("tid")}</tid>\n                    <username>{$this->_parameters->getPath("username")}</username>\n                    <password>{$this->_parameters->getPath("password")}</password>\n                    <oosTran>\n                        <bank>{$bankPack}</bank>\n                        <wpAmount>0</wpAmount>\n                    </oosTran>\n                </posnetRequest>";
     return "xmldata={$xml}";
 }

 /**
  * 对密文进行解密
  * @param  string $encrypt 密文
  * @return string          明文
  */
 public function decrypt($encrypt)
 {
     //BASE64解码
     $encrypt = base64_decode($encrypt);
     //打开加密算法模块
     $td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', MCRYPT_MODE_CBC, '');
     //初始化加密算法模块
     mcrypt_generic_init($td, $this->cyptKey, substr($this->cyptKey, 0, 16));
     //执行解密
     $decrypt = mdecrypt_generic($td, $encrypt);
     //去除PKCS7补位
     $decrypt = self::PKCS7Decode($decrypt, mcrypt_enc_get_key_size($td));
     //关闭加密算法模块
     mcrypt_generic_deinit($td);
     mcrypt_module_close($td);
     if (strlen($decrypt) < 16) {
         throw new \Exception("非法密文字符串！");
     }
     //去除随机字符串
     $decrypt = substr($decrypt, 16);
     //获取网络字节序
     $size = unpack("N", substr($decrypt, 0, 4));
     $size = $size[1];
     //APP_ID
     $appid = substr($decrypt, $size + 4);
     //验证APP_ID
     if ($appid !== $this->appId) {
         throw new \Exception("非法APP_ID！");
     }
     //明文内容
     $text = substr($decrypt, 4, $size);
     return $text;
 }

 public function decrypt($msg, $k, $base64 = false)
 {
     if ($base64) {
         $msg = base64_decode($msg);
     }
     if (!($td = mcrypt_module_open('rijndael-256', '', 'ctr', ''))) {
         return false;
     }
     $iv = substr($msg, 0, 32);
     $mo = strlen($msg) - 32;
     $em = substr($msg, $mo);
     $msg = substr($msg, 32, strlen($msg) - 64);
     $mac = $this->pbkdf2($iv . $msg, $k, 1000, 32);
     if ($em !== $mac) {
         return false;
     }
     if (mcrypt_generic_init($td, $k, $iv) !== 0) {
         return false;
     }
     $msg = mdecrypt_generic($td, $msg);
     $msg = unserialize($msg);
     mcrypt_generic_deinit($td);
     mcrypt_module_close($td);
     return $msg;
 }

 public function decrypt($ciphertext)
 {
     mcrypt_generic_init($this->encrypter, $this->key, substr($this->key, 0, 16));
     $origData = mdecrypt_generic($this->encrypter, $ciphertext);
     mcrypt_generic_deinit($this->encrypter);
     return pkcs5unPadding($origData);
 }