first commit

libraries/vendor/web-token/jwt-signature-algorithm-none/None.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Jose\Component\Signature\Algorithm;
+
+use function in_array;
+use InvalidArgumentException;
+use Jose\Component\Core\JWK;
+
+final class None implements SignatureAlgorithm
+{
+    public function allowedKeyTypes(): array
+    {
+        return ['none'];
+    }
+
+    public function sign(JWK $key, string $input): string
+    {
+        $this->checkKey($key);
+
+        return '';
+    }
+
+    public function verify(JWK $key, string $input, string $signature): bool
+    {
+        return $signature === '';
+    }
+
+    public function name(): string
+    {
+        return 'none';
+    }
+
+    private function checkKey(JWK $key): void
+    {
+        if (! in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
+            throw new InvalidArgumentException('Wrong key type.');
+        }
+    }
+}