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<?php
declare(strict_types=1);
namespace MiladRahimi\Jwt\Cryptography\Algorithms\Rsa;
use MiladRahimi\Jwt\Cryptography\Keys\RsaPrivateKey;
use MiladRahimi\Jwt\Cryptography\Signer;
use MiladRahimi\Jwt\Exceptions\SigningException;
class AbstractRsaSigner implements Signer
{
use Algorithm;
protected RsaPrivateKey $privateKey;
public function __construct(RsaPrivateKey $publicKey)
$this->privateKey = $publicKey;
}
/**
* @inheritdoc
*/
public function sign(string $message): string
$signature = '';
if (openssl_sign($message, $signature, $this->privateKey->getResource(), $this->algorithm()) === true) {
return $signature;
throw new SigningException(openssl_error_string() ?: "OpenSSL cannot sign the token.");
* @inheritDoc
public function kid(): ?string
return $this->privateKey->getId();
public function getPrivateKey(): RsaPrivateKey
return $this->privateKey;
miladrahimi /
php-jwt
