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<?php
declare(strict_types=1);
namespace MiladRahimi\Jwt\Cryptography\Algorithms\Eddsa;
use MiladRahimi\Jwt\Cryptography\Keys\EdDsaPrivateKey;
use MiladRahimi\Jwt\Cryptography\Signer;
use MiladRahimi\Jwt\Exceptions\SigningException;
use RuntimeException;
use SodiumException;
use function function_exists;
class EdDsaSigner implements Signer
{
protected static string $name = 'EdDSA';
protected EdDsaPrivateKey $privateKey;
public function __construct(EdDsaPrivateKey $privateKey)
$this->privateKey = $privateKey;
}
/**
* @inheritdoc
*/
public function sign(string $message): string
if (function_exists('sodium_crypto_sign_detached')) {
try {
return sodium_crypto_sign_detached($message, $this->privateKey->getContent());
} catch (SodiumException $e) {
throw new SigningException("Cannot sign using Sodium extension.", 0, $e);
throw new RuntimeException('The sodium_crypto_sign_detached function is not available.');
public function name(): string
return static::$name;
public function kid(): ?string
return $this->privateKey->getId();
public function getPrivateKey(): EdDsaPrivateKey
return $this->privateKey;
miladrahimi /
php-jwt
