diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000000000000000000000000000000000000..a6d0dc6c2fce9409aae4af20f307087f2a2395f7
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+golang.org/x/crypto v0.0.0-20180820150726-614d502a4dac h1:7d7lG9fHOLdL6jZPtnV4LpI41SbohIJ1Atq7U991dMg=
+golang.org/x/crypto v0.0.0-20180820150726-614d502a4dac/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=