diff --git a/.gitmodules b/.gitmodules
index 9031436..b3fdb89 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,3 +13,6 @@
 [submodule "crypto/cifra"]
 	path = crypto/cifra
 	url = https://github.com/solokeys/cifra.git
+[submodule "crypto/salty"]
+	path = crypto/salty
+	url = https://github.com/ycrypto/salty.git
diff --git a/crypto/salty b/crypto/salty
new file mode 160000
index 0000000..622d28c
--- /dev/null
+++ b/crypto/salty
@@ -0,0 +1 @@
+Subproject commit 622d28c41a44158f9720df28d4c22d95a88aee01