net/base/zap.h

   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/strings/string16.h"
  10
  11 namespace 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.
  17 void ZapBuf(void* buf, size_t buf_len);
  18
  19 // Overwrite a string's internal buffer with 0's.
  20 void ZapString(std::string* s);
  21
  22 // Overwrite a base::string16's internal buffer with 0's.
  23 void ZapString(base::string16* s);
  24
  25 }  // net
  26
  27 #endif  // NET_BASE_ZAP_H_