Initial commit

src/Key/JwtDerivedKey.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace NoccyLabs\SimpleJwt\Key;
+
+class JwtDerivedKey implements KeyInterface
+{
+    private $key;
+
+    public function __construct(string $password, string $salt, int $iter=100)
+    {
+        $this->key = hash_pbkdf2("sha256", $password, $salt, $iter, 0, true);
+    }
+
+    public function getBinaryKey(): string
+    {
+        return $this->key;
+    }
+}
+