Shaving parallel authenticator yak to remove unnecessary dependency on this class from OAuth spec...

chrome/browser/chromeos/cros/cryptohome_library.h

 // Copyright (c) 2011 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_CROS_CRYPTOHOME_LIBRARY_H_
 #define CHROME_BROWSER_CHROMEOS_CROS_CRYPTOHOME_LIBRARY_H_
 #pragma once
 
 #include <string>
 
@@ skipping 57 matching lines @@
   virtual bool AsyncMountForBwsi(Delegate* callback) = 0;
 
   // Asks cryptohomed to asynchronously try to find the cryptohome for
   // |user_email| and then nuke it.
   virtual bool AsyncRemove(const std::string& user_email,
                            Delegate* callback) = 0;
 
   // Asks cryptohomed if a drive is currently mounted.
   virtual bool IsMounted() = 0;
 
-  // Asks cryptohomed for the system salt.
-  virtual CryptohomeBlob GetSystemSalt() = 0;
-
   // Passes cryptohomed the owner user. It is used to prevent
   // deletion of the owner in low disk space cleanup (see above).
   virtual bool AsyncSetOwnerUser(const std::string& username,
                                  Delegate* callback) = 0;
 
   // Wrappers of the functions for working with Tpm.
 
   // Returns whether Tpm is ready.
   virtual bool TpmIsReady() = 0;
 
@@ skipping 30 matching lines @@
   // the TpmGetPassword because it's getting the PKCS#11 user PIN and
   // not the TPM password.
   virtual void Pkcs11GetTpmTokenInfo(std::string* label,
                                      std::string* user_pin) = 0;
 
   // Gets the status of the TPM.  This is different from TpmIsReady
   // because it's getting the staus of the PKCS#11 initialization of
   // the TPM token, not the TPM itself.
   virtual bool Pkcs11IsTpmTokenReady() = 0;
 
+  // Returns hash of |password|, salted with the system salt.
+  virtual std::string HashPassword(const std::string& password) = 0;
+
+  // Returns system hash in hex encoded ascii format.
+  virtual std::string GetSystemSalt() = 0;
+
   // Factory function, creates a new instance and returns ownership.
   // For normal usage, access the singleton via CrosLibrary::Get().
   static CryptohomeLibrary* GetImpl(bool stub);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CROS_CRYPTOHOME_LIBRARY_H_