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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2025
//
// 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
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