in src/RsaKeyPairCredential.php [47:60]
public function __construct($public_key_id, $private_key_file, array $config = [])
{
Filter::publicKeyId($public_key_id);
Filter::privateKeyFile($private_key_file);
$this->publicKeyId = $public_key_id;
$this->privateKeyFile = $private_key_file;
$this->config = $config;
try {
$this->privateKey = file_get_contents($private_key_file);
} catch (Exception $exception) {
throw new InvalidArgumentException($exception->getMessage());
}
}