diff --git a/src/app/components/guid-service/guid.service.js b/src/app/components/guid-service/guid.service.js
new file mode 100644
index 0000000..4c65bb5
--- /dev/null
+++ b/src/app/components/guid-service/guid.service.js
@@ -0,0 +1,24 @@
+(function() {
+  'use strict';
+
+  angular
+    .module('dialoga')
+    .factory('GUID', GUID);
+
+  /** @ngInject */
+  function GUID(){
+    var service = {};
+
+    service.generate = function (){
+      function s4() {
+        return Math.floor((1 + Math.random()) * 0x10000)
+          .toString(16)
+          .substring(1);
+      }
+      return s4() + s4() + '-' + s4() + '-' + s4() + '-' +
+        s4() + '-' + s4() + s4() + s4();
+    }
+
+    return service;
+  }
+})();
--
libgit2 0.21.2