Index: frontend/node_modules/mz/crypto.js
===================================================================
--- frontend/node_modules/mz/crypto.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/mz/crypto.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,9 @@
+
+require('thenify-all').withCallback(
+  require('crypto'),
+  exports, [
+    'pbkdf2',
+    'pseudoRandomBytes',
+    'randomBytes'
+  ]
+)