Fixing copyrights.

Author: Simon Zeltser

cdn/signUrl/README.md

@@ -1,6 +1,9 @@
 # Google Cloud Signing URL Sample
 
 This sample shows how to create Cloud CDN signed Url.
+Cloud CDN stands for Content Delivery Network - a globally distributed
+edge points of presence that cache HTTPS load balanced content close
+to the users. More details [here](https://cloud.google.com/cdn/docs/)
 
 This sample requires [.NET Core 2.0](
     https://www.microsoft.com/net/core) or later.  That means using

cdn/signUrl/SignUrlSample.Tests/SignUrlTests.cs

@@ -1,8 +1,19 @@
-// Copyright 2018 Google Inc. All rights reserved.
-// Use of this source code is governed by the Apache 2.0
-// license that can be found in the LICENSE file.
+/*
+ * Copyright (c) 2017 Google Inc.
+ *
+ * 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.
+ */
 
-using Microsoft.VisualStudio.TestPlatform.TestHost;
 using System;
 using Xunit;
 

cdn/signUrl/SignUrlSample/Program.cs

@@ -1,6 +1,18 @@
-// Copyright 2018 Google Inc. All rights reserved.
-// Use of this source code is governed by the Apache 2.0
-// license that can be found in the LICENSE file.
+/*
+ * Copyright (c) 2017 Google Inc.
+ *
+ * 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.
+ */
 
 using CommandLine;
 using System;
@@ -118,8 +130,7 @@ private static byte[] ComputeHash(byte[] secretKey, string signatureString)
 
                 byte[] buffer = enc.GetBytes(signatureString);
 
-                byte[] hashValue = hmac.ComputeHash(buffer);
-                return hashValue;
+                return hmac.ComputeHash(buffer);
             }
         }