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<?php
namespace NFePHP\Common\Certificate;
/**
* Class to obtain the list of OID Object Identifier of encrypted data
* contained in a digital certificate.
* See Oid from Abstract Syntax Notation One (ASN.1) for
* Distinguished Encoding Rules (DER)
* @category NFePHP
* @package NFePHP\Common\Certificate\Oids
* @copyright Copyright (c) 2008-2016
* @license http://www.gnu.org/licenses/lesser.html LGPL v3
* @author Roberto L. Machado <linux.rlm at gmail dot com>
* @link http://github.com/nfephp-org/nfephp for the canonical source repository
*/
class Oids
{
* @var array
private static $oidsTable = array();
* Return Oid name
* @param string $key formated OID numeric key
* @return string
public static function getOid($key)
self::loadOids();
if (array_key_exists($key, self::$oidsTable)) {
return self::$oidsTable[$key];
}
return '';
* Returns all oids in the list
* @return array
public static function listOids()
return self::$oidsTable;
* Load list of oids
private static function loadOids()
$json = file_get_contents(__DIR__ .'/oids.json');
self::$oidsTable = (array) json_decode($json, true);