added License

1 files changed, 11 insertions, 0 deletions

diff --git a/GoogleAuthenticator.php b/GoogleAuthenticator.php
index 798e245..278e452 100644
--- a/GoogleAuthenticator.php
+++ b/GoogleAuthenticator.php
@@ -1,4 +1,15 @@
 <?php
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 
 include_once("FixedByteNotation.php");