public static function fromBinary(&$binaryData, &$offsetIndex = 0) { self::parseIdentifier($binaryData[$offsetIndex], 0xa0, $offsetIndex++); $contentLength = self::parseContentLength($binaryData, $offsetIndex); $octetsToRead = $contentLength; $parsedObject = new self(); while ($octetsToRead > 0) { $initialOffset = $offsetIndex; // used to calculate how much bits have been read self::parseIdentifier($binaryData[$offsetIndex], Identifier::SEQUENCE, $offsetIndex++); self::parseContentLength($binaryData, $offsetIndex); $objectIdentifier = ObjectIdentifier::fromBinary($binaryData, $offsetIndex); $oidString = $objectIdentifier->getContent(); if ($oidString == OID::PKCS9_EXTENSION_REQUEST) { $attribute = CertificateExtensions::fromBinary($binaryData, $offsetIndex); } else { $attribute = Object::fromBinary($binaryData, $offsetIndex); } $parsedObject->addAttribute($objectIdentifier, $attribute); $octetsToRead -= $offsetIndex - $initialOffset; } $parsedObject->setContentLength($contentLength); return $parsedObject; }