Verify the signature on user cloud policy downloads.

chromeos/dbus/cryptohome_client.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromeos/dbus/cryptohome_client.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "chromeos/cryptohome/async_method_caller.h"
 #include "chromeos/dbus/blocking_method_caller.h"
@@ skipping 609 matching lines @@
     const char kStubSystemSalt[] = "stub_system_salt";
     salt->assign(kStubSystemSalt,
                  kStubSystemSalt + arraysize(kStubSystemSalt));
     return true;
   }
 
   // CryptohomeClient override.
   virtual void GetSanitizedUsername(
       const std::string& username,
       const StringDBusMethodCallback& callback) OVERRIDE {
-    const char kStubSanitizedUsername[] =
-        "0123456789ABCDEF0123456789ABCDEF01234567";
+    const std::string kStubSanitizedUsername(
+        "0123456789ABCDEF0123456789ABCDEF01234567");
     MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(callback, DBUS_METHOD_CALL_SUCCESS, kStubSanitizedUsername));
   }
 
   // CryptohomeClient override.
   virtual void AsyncMount(const std::string& username,
                           const std::string& key,
                           int flags,
                           const AsyncMethodCallback& callback) OVERRIDE {
@@ skipping 218 matching lines @@
 // static
 CryptohomeClient* CryptohomeClient::Create(DBusClientImplementationType type,
                                            dbus::Bus* bus) {
   if (type == REAL_DBUS_CLIENT_IMPLEMENTATION)
     return new CryptohomeClientImpl(bus);
   DCHECK_EQ(STUB_DBUS_CLIENT_IMPLEMENTATION, type);
   return new CryptohomeClientStubImpl();
 }
 
 }  // namespace chromeos