Your IP : 3.144.21.237
<?
class CRsaOpensslProvider extends CRsaProvider
{
//$_PRIV - secret key in PEM format
protected $_PRIV = '';
public function SetKeys($arKeys)
{
parent::SetKeys($arKeys);
$this->_PRIV = $arKeys["PRIV"];
}
public function LoadKeys()
{
$arKeys = unserialize(COption::GetOptionString("main", "~rsa_keys_openssl", ""), ['allowed_classes' => false]);
if(!is_array($arKeys))
return false;
$arKeys["PRIV"] = COption::GetOptionString("main", "~rsa_key_pem", "");
return $arKeys;
}
public function SaveKeys($arKeys)
{
$privKey = $arKeys["PRIV"];
unset($arKeys["PRIV"]);
COption::SetOptionString("main", "~rsa_keys_openssl", serialize($arKeys));
COption::SetOptionString("main", "~rsa_key_pem", $privKey);
}
public function Decrypt($data)
{
$key = openssl_pkey_get_private($this->_PRIV);
$out = '';
$blocks = explode(' ', $data);
foreach($blocks as $block)
{
$out1 = '';
openssl_private_decrypt(strrev(base64_decode($block)), $out1, $key, OPENSSL_NO_PADDING);
$out1 = strrev($out1);
$out .= $out1;
}
$out = rtrim($out);
return $out;
}
public function Keygen($keylen=false)
{
if($keylen === false)
$keylen = 1024;
else
$keylen = intval($keylen);
$fname = $_SERVER["DOCUMENT_ROOT"]."/bitrix/tmp/openssl.cnf";
if(!file_exists($fname))
{
CheckDirPath($fname);
file_put_contents($fname, '');
}
$keys = openssl_pkey_new(array(
"private_key_type"=>OPENSSL_KEYTYPE_RSA,
"private_key_bits"=>$keylen,
"config" => $fname,
));
if($keys)
{
openssl_pkey_export($keys, $privkey, null, array("config" => $fname));
$k = self::get_openssl_key_details($privkey);
if(is_array($k))
{
return array(
"M" => base64_encode(strrev($k['n'])),
"E" => base64_encode(strrev($k['e'])),
"D" => base64_encode(strrev($k['d'])),
"PRIV" => $privkey,
"chunk" => $keylen/8,
);
}
}
return false;
}
private static function get_openssl_key_details($key)
{
//PEM to DER
$lines = explode("\n", trim($key));
unset($lines[count($lines)-1]);
unset($lines[0]);
$der = implode('', $lines);
$der = base64_decode($der);
//DER is in ASN.1 notation
$body = new CASNReader();
$body->Read($der);
$bodyItems = $body->GetSequence();
if(!empty($bodyItems))
{
if(is_object($bodyItems[1]) && is_object($bodyItems[2]) && is_object($bodyItems[3]))
{
$n = $bodyItems[1]->GetValue();
$e = $bodyItems[2]->GetValue();
$d = $bodyItems[3]->GetValue();
return array("n"=>$n, "e"=>$e, "d"=>$d);
}
elseif(is_object($bodyItems[2]))
{
$body = new CASNReader();
$body->Read($bodyItems[2]->GetValue());
$bodyItems = $body->GetSequence();
if(is_object($bodyItems[1]) && is_object($bodyItems[2]) && is_object($bodyItems[3]))
{
$n = $bodyItems[1]->GetValue();
$e = $bodyItems[2]->GetValue();
$d = $bodyItems[3]->GetValue();
return array("n"=>$n, "e"=>$e, "d"=>$d);
}
}
}
return false;
}
}
?>