fix regression introduced with jwcrypto upgrade - in-tree example primary was broken - closes #1602

scripts/serve_example_primary.js

@@ -16,6 +16,7 @@ jwcrypto = require("jwcrypto");
 
 // alg
 require("jwcrypto/lib/algs/rs");
+require("jwcrypto/lib/algs/ds");
 
 var exampleServer = express.createServer();
 
@@ -89,11 +90,9 @@ exampleServer.post("/api/cert_key", function (req, res) {
   var expiration = new Date();
   var pubkey = jwcrypto.loadPublicKeyFromObject(req.body.pubkey);
   expiration.setTime(new Date().valueOf() + req.body.duration * 1000);
-  jwcrypto.cert.sign(pubkey, {email: user + "@" + domain}, {issuer: domain, expiresAt: expiration, issuedAt: new Date()}, _privkey, function(err, cert) {
+  jwcrypto.cert.sign(pubkey, {email: user + "@" + domain}, {issuer: domain, expiresAt: expiration, issuedAt: new Date()}, {}, _privKey, function(err, cert) {
     res.json({ cert: cert });
   });
-
-  res.json({ cert: cert });
 });