CCrmInstantEditorHelper::unsignComponentParams

static function unsignComponentParams(string $params, string $componentName): ?array
{
	$signer = new \Bitrix\Main\Security\Sign\Signer;
	try
	{
		return (array)unserialize(
			base64_decode(
				$signer->unsign($params, 'signed_' . $componentName)
			),
			['allowed_classes' => false]
		);
	}
	catch (\Bitrix\Main\Security\Sign\BadSignatureException $e)
	{
		return null;
	}
}