Add a Key class

chrome/browser/chromeos/login/managed/supervised_user_authentication.h

 // Copyright 2013 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.
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_MANAGED_SUPERVISED_USER_AUTHENTICATION_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_MANAGED_SUPERVISED_USER_AUTHENTICATION_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
@@ skipping 38 matching lines @@
   typedef base::Callback<void(const base::DictionaryValue* password_data)>
       PasswordDataCallback;
 
   explicit SupervisedUserAuthentication(SupervisedUserManager* owner);
   virtual ~SupervisedUserAuthentication();
 
   // Returns current schema for whole ChromeOS. It defines if users with older
   // schema should be migrated somehow.
   Schema GetStableSchema();
 
-  // Transforms password according to schema specified in Local State.
-  std::string TransformPassword(const std::string& supervised_user_id,
-                                const std::string& password);
-
-  // Transforms password according to schema specified in Local State.
-  UserContext TransformPasswordInContext(const UserContext& context);
+  // Transforms key according to schema specified in Local State.
+  UserContext TransformKey(const UserContext& context);
 
   // Fills |password_data| with |password|-specific data for |user_id|,
   // depending on target schema. Does not affect Local State.
   bool FillDataForNewUser(const std::string& user_id,
                           const std::string& password,
                           base::DictionaryValue* password_data,
                           base::DictionaryValue* extra_data);
 
   // Stores |password_data| for |user_id| in Local State. Only public parts
   // of |password_data| will be stored.
@@ skipping 23 matching lines @@
   std::string GenerateMasterKey();
 
   // Called by supervised user to store password data for migration upon signin.
   void ScheduleSupervisedPasswordChange(
       const std::string& supervised_user_id,
       const base::DictionaryValue* password_data);
 
   // Utility method that gets schema version for |user_id| from Local State.
   Schema GetPasswordSchema(const std::string& user_id);
 
-  static std::string BuildPasswordForHashWithSaltSchema(
-      const std::string& salt,
-      const std::string& plain_password);
-
   static std::string BuildPasswordSignature(
       const std::string& password,
       int revision,
       const std::string& base64_signature_key);
 
  private:
   SupervisedUserManager* owner_;
 
   // Controls if migration is enabled.
   bool migration_enabled_;
 
   // Target schema version. Affects migration process and new user creation.
   Schema stable_schema_;
 
 
   DISALLOW_COPY_AND_ASSIGN(SupervisedUserAuthentication);
 };
 
 } // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_MANAGED_SUPERVISED_USER_AUTHENTICATION_H_