diff --git a/fp_altcha_spamschutz/src/Vendor/AltchaOrg/Altcha/V1/Hasher/HasherInterface.php b/fp_altcha_spamschutz/src/Vendor/AltchaOrg/Altcha/V1/Hasher/HasherInterface.php
new file mode 100644
index 0000000..2184765
--- /dev/null
+++ b/fp_altcha_spamschutz/src/Vendor/AltchaOrg/Altcha/V1/Hasher/HasherInterface.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace AltchaOrg\Altcha\V1\Hasher;
+
+interface HasherInterface
+{
+    public function hash(Algorithm $algorithm, string $data): string;
+
+    public function hashHex(Algorithm $algorithm, string $data): string;
+
+    public function hashHmac(Algorithm $algorithm, string $data, string $hmacKey): string;
+
+    public function hashHmacHex(Algorithm $algorithm, string $data, string $hmacKey): string;
+}