diff --git a/.gitmodules b/.gitmodules
index 9490f0b5..0b7d7d8f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -20,3 +20,7 @@
 [submodule "deps/Wink-Signals"]
 	path = deps/Wink-Signals
 	url = https://github.com/momo5502/Wink-Signals.git
+[submodule "deps/libtomcrypt"]
+	path = deps/libtomcrypt
+	url = https://github.com/libtom/libtomcrypt.git
+	branch = develop
diff --git a/deps/libtomcrypt b/deps/libtomcrypt
new file mode 160000
index 00000000..912eff49
--- /dev/null
+++ b/deps/libtomcrypt
@@ -0,0 +1 @@
+Subproject commit 912eff4949f46c0b426d2180429a6fa4c1144f1d