zap.h revision c2e0dbddbe15c98d52c4786dac06cb8952a8ae6d
1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef NET_BASE_ZAP_H_
6#define NET_BASE_ZAP_H_
7
8#include <string>
9#include "base/string16.h"
10
11namespace net {
12
13// Zap functions are used to clear sensitive data in RAM to minimize the
14// time that people can access them once they are written to disk.
15
16// Overwrite a buffer  with 0's.
17void ZapBuf(void* buf, size_t buf_len);
18
19// Overwrite a string's internal buffer with 0's.
20void ZapString(std::string* s);
21
22// Overwrite a base::string16's internal buffer with 0's.
23void ZapString(base::string16* s);
24
25}  // net
26
27#endif  // NET_BASE_ZAP_H_
28