The method i tried using was with openssl
Is this the correct Method to generate signature for signed urls in google?
PHP:
$fp = fopen($key, 'r'); //open the PEM file
$priv_key = fread($fp,8192);
fclose($fp);
$pkeyid = openssl_get_privatekey($priv_key,"password");
openssl_sign($response["data_to_sign"], $signature, $pkeyid,'sha256');
$sign = base64_encode($signature)
Is this the correct Method to generate signature for signed urls in google?