32 lines
698 B
C++
32 lines
698 B
C++
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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/utils/Slice.h"
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#if TD_HAVE_OPENSSL
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#include <openssl/crypto.h>
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#endif
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namespace td {
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void MutableSlice::fill(char c) {
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std::memset(data(), c, size());
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}
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void MutableSlice::fill_zero() {
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fill(0);
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}
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void MutableSlice::fill_zero_secure() {
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#if TD_HAVE_OPENSSL
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OPENSSL_cleanse(begin(), size());
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#else
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volatile char *ptr = begin();
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for (size_t i = 0; i < size(); i++) {
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ptr[i] = 0;
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}
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#endif
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}
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} // namespace td
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