Move crypto files out of base, to a top level directory.

base/nss_util.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 BASE_NSS_UTIL_H_
-#define BASE_NSS_UTIL_H_
-#pragma once
-
-#include <string>
-#include "base/basictypes.h"
-
-#if defined(USE_NSS)
-class FilePath;
-#endif  // defined(USE_NSS)
-
-// This file specifically doesn't depend on any NSS or NSPR headers because it
-// is included by various (non-crypto) parts of chrome to call the
-// initialization functions.
-namespace base {
-
-class Lock;
-class Time;
-
-#if defined(USE_NSS)
-// EarlySetupForNSSInit performs lightweight setup which must occur before the
-// process goes multithreaded. This does not initialise NSS. For test, see
-// EnsureNSSInit.
-void EarlySetupForNSSInit();
-#endif
-
-// Initialize NRPR if it isn't already initialized.  This function is
-// thread-safe, and NSPR will only ever be initialized once.  NSPR will be
-// properly shut down on program exit.
-void EnsureNSPRInit();
-
-// Initialize NSS if it isn't already initialized.  This must be called before
-// any other NSS functions.  This function is thread-safe, and NSS will only
-// ever be initialized once.  NSS will be properly shut down on program exit.
-void EnsureNSSInit();
-
-// Call this before calling EnsureNSSInit() will force NSS to initialize
-// without a persistent DB.  This is used for the special case where access of
-// persistent DB is prohibited.
-//
-// TODO(hclam): Isolate loading default root certs.
-//
-// NSS will be initialized without loading any user security modules, including
-// the built-in root certificates module. User security modules need to be
-// loaded manually after NSS initialization.
-//
-// If EnsureNSSInit() is called before then this function has no effect.
-//
-// Calling this method only has effect on Linux.
-//
-// WARNING: Use this with caution.
-void ForceNSSNoDBInit();
-
-// This methods is used to disable checks in NSS when used in a forked process.
-// NSS checks whether it is running a forked process to avoid problems when
-// using user security modules in a forked process.  However if we are sure
-// there are no modules loaded before the process is forked then there is no
-// harm disabling the check.
-//
-// This method must be called before EnsureNSSInit() to take effect.
-//
-// WARNING: Use this with caution.
-void DisableNSSForkCheck();
-
-// Load NSS library files. This function has no effect on Mac and Windows.
-// This loads the necessary NSS library files so that NSS can be initialized
-// after loading additional library files is disallowed, for example when the
-// sandbox is active.
-//
-// Note that this does not load libnssckbi.so which contains the root
-// certificates.
-void LoadNSSLibraries();
-
-// Check if the current NSS version is greater than or equals to |version|.
-// A sample version string is "3.12.3".
-bool CheckNSSVersion(const char* version);
-
-#if defined(OS_CHROMEOS)
-// Open the r/w nssdb that's stored inside the user's encrypted home
-// directory.  This is the default slot returned by
-// GetPublicNSSKeySlot().
-void OpenPersistentNSSDB();
-
-// Load the opencryptoki library into NSS so that we can access the
-// TPM through NSS.  Once this is called, GetPrivateNSSKeySlot() will
-// return the TPM slot if one was found.  Returns false if it was
-// unable to load opencryptoki or open the TPM slot.
-bool EnableTPMForNSS();
-
-// Get name for the built-in TPM token on ChromeOS.
-std::string GetTPMTokenName();
-
-// Get the user PIN for the built-in TPM token on ChromeOS.
-std::string GetTPMUserPIN();
-#endif
-
-// Convert a NSS PRTime value into a base::Time object.
-// We use a int64 instead of PRTime here to avoid depending on NSPR headers.
-Time PRTimeToBaseTime(int64 prtime);
-
-#if defined(USE_NSS)
-// Exposed for unittests only.  |path| should be an existing directory under
-// which the DB files will be placed.  |description| is a user-visible name for
-// the DB, as a utf8 string, which will be truncated at 32 bytes.
-bool OpenTestNSSDB(const FilePath& path, const char* description);
-void CloseTestNSSDB();
-
-// NSS has a bug which can cause a deadlock or stall in some cases when writing
-// to the certDB and keyDB. It also has a bug which causes concurrent key pair
-// generations to scribble over each other. To work around this, we synchronize
-// writes to the NSS databases with a global lock. The lock is hidden beneath a
-// function for easy disabling when the bug is fixed. Callers should allow for
-// it to return NULL in the future.
-//
-// See https://bugzilla.mozilla.org/show_bug.cgi?id=564011
-Lock* GetNSSWriteLock();
-
-// A helper class that acquires the NSS write Lock while the AutoNSSWriteLock
-// is in scope.
-class AutoNSSWriteLock {
- public:
-  AutoNSSWriteLock();
-  ~AutoNSSWriteLock();
- private:
-  Lock *lock_;
-  DISALLOW_COPY_AND_ASSIGN(AutoNSSWriteLock);
-};
-
-#endif  // defined(USE_NSS)
-
-}  // namespace base
-
-#endif  // BASE_NSS_UTIL_H_