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<?php declare(strict_types=1);
namespace MiladRahimi\Jwt\Cryptography\Keys;
use MiladRahimi\Jwt\Exceptions\InvalidKeyException;
use Throwable;
class RsaPublicKey
{
/**
* @var mixed Key file resource handler
*/
private $resource;
protected ?string $id;
* @throws InvalidKeyException
public function __construct(string $filePath, ?string $id = null)
try {
$this->resource = openssl_pkey_get_public(file_get_contents(realpath($filePath)));
} catch (Throwable $e) {
throw new InvalidKeyException('Failed to read the key.', 0, $e);
}
if ($this->resource === false) {
throw new InvalidKeyException(openssl_error_string());
$this->id = $id;
* @return mixed
public function getResource()
return $this->resource;
public function getId(): ?string
return $this->id;
miladrahimi /
php-jwt
