diff --git a/nodejs/authentication/index.js b/nodejs/authentication/index.js
deleted file mode 100644
index 92cf71b..0000000
--- a/nodejs/authentication/index.js
+++ /dev/null
@@ -1,78 +0,0 @@
-module.exports = function(config) {
-
-  var authentication;
-  
-  if (config) {
-    
-    authentication = function (username, password, success, fail) {
-
-      console.log("...try: ", username);
-      const crypto = require('crypto');
-      if (config.passwords && config.passwords[username]) {
-        console.log("...check hash");
-        if (crypto.getHashes().indexOf(config.passwords[username][0])>=0) {
-          if (crypto.createHash(config.passwords[username][0]).update(password, 'utf8').digest('hex') === config.passwords[username][1]) {
-            success(username);
-            return;
-          } else {
-            fail(username);
-            return;
-          }
-        } else {
-          console.log("**** HASH NOT FOUND ****");
-          console.log(config.passwords[username][0]);
-          console.log(crypto.getHashes());
-          fail(username);
-          return;
-        }
-      }
-      if (config.ldap) try {
-        console.log("...check ldap");
-        var LdapAuth = require('ldapauth');
-        var auth = new LdapAuth(config.ldap);
-        auth.once('connect', function () {
-          try {
-            auth.authenticate(username, password, function(err, usr) {
-              auth.close(function(err) {})
-              if (err) {
-                console.log("**** ERROR: LDAP Authentication failed:", err);
-                fail(username);
-                return;
-              }
-              console.log("**** SUCCESS: LDAP Authentication:");
-              success(username);
-              return;
-            });
-          } catch (e) {
-            console.log("**** Error: LDAP failed: ", e, e.stack);
-            fail(username);
-          }
-          return; // need to block here!
-        });
-      } catch (e) {
-        console.log("**** Error: LDAP failed: ", e, e.stack);
-        fail(username);
-        return;
-      }
-      if (config.unrestricted)
-        success(username);
-      else
-        fail(username);
-      return;
-    }
-
-  } else {
-
-    authentication = function (username, password, success, fail) {
-      console.log('**** Error: no access configuraion. To allow any user, add:')
-      console.log('            "restrict": {');
-      console.log('              "unrestricted": true');
-      console.log('            }');
-      fail(username);
-    }
-
-  }
-
-  return authentication;
-
-}
diff --git a/nodejs/package.json.in b/nodejs/package.json.in
index 427bbdc..5e1d8ee 100644
--- a/nodejs/package.json.in
+++ b/nodejs/package.json.in
@@ -10,6 +10,7 @@
     "pty.js": "~0.3.0",
     "async": "~1.5.2",
     "socketio-auth": "0.0.5",
+    "authentication.js": ">=0.0.2",
     "ldapauth": "git+https://github.com/DimensionSoftware/node-ldapauth.git"
   },
   "description": "@DESCRIPTION@",