diff --git a/src/node/digest.js b/src/node/digest.js
index e72f69c..d93cc6b 100644
--- a/src/node/digest.js
+++ b/src/node/digest.js
@@ -1,6 +1,7 @@
 var forge = require("node-forge")
 var subtleToForge = {
-  "SHA-256" : "sha256"
+  "SHA-256" : "sha256",
+  "SHA-1"   : "sha1"
 }
 
 var digest = function digest(alg, data){