Easy Sign-in: Use TPM RSA key to sign nonce in sign-in protocol

chrome/common/pref_names.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 "chrome/common/pref_names.h"
 
 #include "base/basictypes.h"
 #include "chrome/common/pref_font_webkit_names.h"
 
 namespace prefs {
@@ skipping 1217 matching lines @@
 // Preference storing Easy Unlock pairing data.
 const char kEasyUnlockPairing[] = "easy_unlock.pairing";
 
 // Whether close proximity between the remote and the local device is required
 // in order to use Easy Unlock.
 const char kEasyUnlockProximityRequired[] = "easy_unlock.proximity_required";
 
 // Whether to show the Easy Unlock first run tutorial.
 const char kEasyUnlockShowTutorial[] = "easy_unlock.show_tutorial";
 
+// The public part of RSA key pair used by Easy Signin for user. The key pair
+// is stored in system TPM slot.
+const char kEasyUnlockUserTpmKey[] = "easy_unlock.public_tpm_key";
+
 // A cache of zero suggest results using JSON serialized into a string.
 const char kZeroSuggestCachedResults[] = "zerosuggest.cachedresults";
 
 // *************** LOCAL STATE ***************
 // These are attached to the machine/installation
 
 // A pref to configure networks device-wide. Its value must be a list of
 // NetworkConfigurations according to the OpenNetworkConfiguration
 // specification.
 // Currently, this pref is only used to store the policy. The user's
@@ skipping 1036 matching lines @@
 
 // Whether Guest Mode is enabled within the browser.
 const char kBrowserGuestModeEnabled[] = "profile.browser_guest_enabled";
 
 // Whether Adding a new Person is enabled within the user manager.
 const char kBrowserAddPersonEnabled[] = "profile.add_person_enabled";
 
 // A dictionary that maps user id to hardlock state.
 const char kEasyUnlockHardlockState[] = "easy_unlock.hardlock_state";
 
+// A dictionary that maps user id to public part of RSA key pair used by
+// Easy Sign-in for the user.
+const char kEasyUnlockLocalStateTpmKeys[] = "easy_unlock.public_tpm_keys";
+
 // The beginning of time span when we count user's "Nope" for the password
 // bubble.
 const char kPasswordBubbleTimeStamp[] = "password_bubble.timestamp";
 
 // The count of user's "Nope" for the password bubble.
 const char kPasswordBubbleNopesCount[] = "password_bubble.nopes";
 
 // Last user's interaction with the password bubble.
 const char kPasswordBubbleLastInteractions[] = "password_bubble.interactions";
 
 }  // namespace prefs