diff --git a/src/siphash24.h b/src/siphash24.h
new file mode 100644
index 0000000..f385f5d
--- /dev/null
+++ b/src/siphash24.h
@@ -0,0 +1,38 @@
+#ifndef _TS3INIT_SIPHASH_H
+#define _TS3INIT_SIPHASH_H
+
+/*
+   SipHash reference C implementation
+   Copyright (c) 2012-2014 Jean-Philippe Aumasson
+   <jeanphilippe.aumasson@gmail.com>
+   Copyright (c) 2012-2014 Daniel J. Bernstein <djb@cr.yp.to>
+   Copyright (c) 2016 Maximilian Muenchow <maximilian.muenchow@teamspeak.com>
+   Copyright (c) 2016 Niels Werensteijn <niels.werensteijn@teamspeak.com>
+   To the extent possible under law, the author(s) have dedicated all copyright
+   and related and neighboring rights to this software to the public domain
+   worldwide. This software is distributed without any warranty.
+   You should have received a copy of the CC0 Public Domain Dedication along
+   with
+   this software. If not, see
+   <http://creativecommons.org/publicdomain/zero/1.0/>.
+*/
+
+#include <linux/kernel.h>
+#include <linux/udp.h>
+
+struct ts3init_siphash_state
+{
+  u64 v0;
+  u64 v1;
+  u64 v2;
+  u64 v3;
+  u64 m;
+  size_t len;	
+};
+
+void ts3init_siphash_setup(struct ts3init_siphash_state* state, u64 k0, u64 k1);
+void ts3init_siphash_update(struct ts3init_siphash_state* state, const u8 *in, size_t inlen);
+u64 ts3init_siphash_finalize(struct ts3init_siphash_state* state);
+
+#endif /*_TS3INIT_SIPHASH_H*/
+