Line data    Source code

       1              : /*
       2              :  *  Copyright (C) 2004-2026 Savoir-faire Linux Inc.
       3              :  *
       4              :  *  This program is free software: you can redistribute it and/or modify
       5              :  *  it under the terms of the GNU General Public License as published by
       6              :  *  the Free Software Foundation, either version 3 of the License, or
       7              :  *  (at your option) any later version.
       8              :  *
       9              :  *  This program is distributed in the hope that it will be useful,
      10              :  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
      11              :  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      12              :  *  GNU General Public License for more details.
      13              :  *
      14              :  *  You should have received a copy of the GNU General Public License
      15              :  *  along with this program. If not, see <https://www.gnu.org/licenses/>.
      16              :  */
      17              : 
      18              : #include "memory.h"
      19              : 
      20              : #ifdef _WIN32
      21              : #include <windows.h>
      22              : #include <wincrypt.h>
      23              : #endif
      24              : 
      25              : #include <algorithm>
      26              : 
      27              : namespace jami {
      28              : namespace secure {
      29              : 
      30              : void
      31        14213 : memzero(void* ptr, std::size_t length)
      32              : {
      33              : #ifdef _WIN32
      34              :     SecureZeroMemory(ptr, length);
      35              : #else
      36        14213 :     volatile auto* p = static_cast<unsigned char*>(ptr);
      37        14213 :     std::fill_n(p, length, 0);
      38              : #endif
      39        14212 : }
      40              : 
      41              : } // namespace secure
      42              : } // namespace jami
      43              : 
      44              : extern "C" void
      45        14213 : jami_secure_memzero(void* ptr, size_t length)
      46              : {
      47        14213 :     jami::secure::memzero(ptr, length);
      48        14212 : }