private function generarValidacionXML($xml, $version = 2)
{
$version = $version == null ? 2 : $version;
$pos = strrpos($xml, "</");
$xml1 .= "<validacion>";
$xml1 .= "<version>{$version}</version>";
$xml1 .= "</validacion>";
$xml = substr_replace($xml, $xml1, $pos, 0);
$key = md5("RoKoPo999ADS897");
$iv = "dasdREWTRB5454gt";
$AES = new AES_Encryption($key, $iv);
$validacionTag = $AES->encrypt($xml);
$char = '';
for ($i = 0; $i < strlen($validacionTag); $i++) {
$caracter = "00" . dechex(ord(substr($validacionTag, $i, 1)));
$char .= substr($caracter, strlen($caracter) - 2);
}
$pos = strpos($xml, "</validacion>");
$xml = substr_replace($xml, "<codigo>{$char}</codigo>", $pos, 0);
return $xml;
}
function aesDecrypt($data, $encode = 'url')
{
if ($data == CPropertyValue::ensureInteger($data) . '') {
//xmail('Decrypting data which is not encrypted', app()->request->requestUri, SETTINGS_DEV_EMAILS);
return $data;
}
$key = hasParam('SETTINGS_AES_ENCRYPT_IV', 'aninditioncmskey');
Yii::import('Xpress.extensions.vendors.encryption.AES_Encryption');
$aes = new AES_Encryption(hasParam('SETTINGS_AES_ENCRYPT_KEY', '5682825638385896'), $key);
switch ($encode) {
case 'url':
$data = base64_decode(strtr($data, array('-' => '+', '_' => '/')));
break;
case 'base64':
$data = base64_decode($data);
break;
}
return $aes->decrypt($data);
}
/**
* Encrypt an email address with AES cbc PKCS7 using 16 byte iv
*
* @since v1.0
*
* @param $email string plain text email address
*
* @return string hex encrypted email
*/
private function encrypt_email($email)
{
require_once 'includes/padCrypt.php';
require_once 'includes/AES_Encryption.php';
$apisecret = get_option('skey');
$apisecret_utf8 = utf8_encode($apisecret);
$apisecret_seg = substr($apisecret_utf8, 0, 16);
$iv = str_repeat("", 16);
$mode = "cbc";
$padding = "PKCS7";
$AES = new AES_Encryption($apisecret_seg, $iv, $padding, $mode);
$encrypted = $AES->encrypt($email);
$hex = bin2hex($encrypted);
return $hex;
}
/**
* Decrypt a value encyrpted using AES 256 encryption in CBC mode.
*
* @param string $value Value to be decrypted
* @return string Decrypted value.
*/
public function decrypt($value)
{
$AES = new AES_Encryption($this->algorithm_key, $this->algorithm_iv);
return $AES->decrypt(base64_decode($value));
}
