private loadAndVerifySignature ( string $input, Jose\Object\JWKSetInterface $jwk_set, array $allowed_algorithms, string | null $detached_payload = null, null | integer &$signature_index = null ) : Jose\Object\JWSInterface | ||
$input | string | |
$jwk_set | Jose\Object\JWKSetInterface | |
$allowed_algorithms | array | |
$detached_payload | string | null | |
$signature_index | null | integer | |
return | Jose\Object\JWSInterface |