// // Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023 // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // #include "td/utils/Slice.h" #if TD_HAVE_OPENSSL #include <openssl/crypto.h> #endif namespace td { void MutableSlice::fill(char c) { std::memset(data(), c, size()); } void MutableSlice::fill_zero() { fill('\0'); } void MutableSlice::fill_zero_secure() { #if TD_HAVE_OPENSSL OPENSSL_cleanse(begin(), size()); #else volatile char *ptr = begin(); for (size_t i = 0; i < size(); i++) { ptr[i] = '\0'; } #endif } } // namespace td