diff --git a/.gitmodules b/.gitmodules
index b2e9375fd..fb1365daf 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "vendor/trezor-qrenc"]
 	path = vendor/trezor-qrenc
 	url = https://github.com/trezor/trezor-qrenc.git
+[submodule "vendor/trezor-crypto"]
+	path = vendor/trezor-crypto
+	url = https://github.com/trezor/trezor-crypto.git
diff --git a/extmod/modTrezorCrypto/trezor-crypto b/extmod/modTrezorCrypto/trezor-crypto
new file mode 120000
index 000000000..e533d1629
--- /dev/null
+++ b/extmod/modTrezorCrypto/trezor-crypto
@@ -0,0 +1 @@
+../../vendor/trezor-crypto
\ No newline at end of file
diff --git a/vendor/trezor-crypto b/vendor/trezor-crypto
new file mode 160000
index 000000000..bb52cb4ac
--- /dev/null
+++ b/vendor/trezor-crypto
@@ -0,0 +1 @@
+Subproject commit bb52cb4ac93dd36e22bac7fef003f5b5488f2e08