diff --git a/include/chat/crypto.h b/include/chat/crypto.h
new file mode 100644
index 0000000..cb7d0c7
--- /dev/null
+++ b/include/chat/crypto.h
@@ -0,0 +1,32 @@
+/*
+This is part of WHY2
+Copyright (C) 2022 Václav Šmejkal
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#ifndef WHY2_CHAT_CRYPTO_H
+#define WHY2_CHAT_CRYPTO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+//STUFF
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
\ No newline at end of file
diff --git a/include/why2.h b/include/why2.h
index c8c67bc..e14bd06 100644
--- a/include/why2.h
+++ b/include/why2.h
@@ -44,6 +44,7 @@ extern "C" {
 
 //CHAT
 #include <why2/chat/config.h>
+#include <why2/chat/crypto.h>
 #include <why2/chat/flags.h>
 #include <why2/chat/misc.h>
 
diff --git a/src/chat/crypto.c b/src/chat/crypto.c
new file mode 100644
index 0000000..65033fc
--- /dev/null
+++ b/src/chat/crypto.c
@@ -0,0 +1,19 @@
+/*
+This is part of WHY2
+Copyright (C) 2022 Václav Šmejkal
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include <why2/chat/crypto.h>
\ No newline at end of file