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_ 28