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Diffstat (limited to 'src/common/memwipe.h')
-rw-r--r-- | src/common/memwipe.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/src/common/memwipe.h b/src/common/memwipe.h deleted file mode 100644 index c3b4ce8ab..000000000 --- a/src/common/memwipe.h +++ /dev/null @@ -1,84 +0,0 @@ -// Copyright (c) 2017, The Monero Project -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 2. Redistributions in binary form must reproduce the above copyright notice, this list -// of conditions and the following disclaimer in the documentation and/or other -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -// -// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers - -#pragma once - -#ifdef __cplusplus -#include <array> - -extern "C" { -#endif - -void *memwipe(void *src, size_t n); - -#ifdef __cplusplus -} -#endif - -#ifdef __cplusplus -namespace tools { - - /// Scrubs data in the contained type upon destruction. - /// - /// Primarily useful for making sure that private keys don't stick around in - /// memory after the objects that held them have gone out of scope. - template <class T> - struct scrubbed : public T { - using type = T; - - ~scrubbed() { - scrub(); - } - - /// Destroy the contents of the contained type. - void scrub() { - static_assert(std::is_pod<T>::value, - "T cannot be auto-scrubbed. T must be POD."); - static_assert(std::is_trivially_destructible<T>::value, - "T cannot be auto-scrubbed. T must be trivially destructable."); - memwipe(this, sizeof(T)); - } - }; - - template <class T, size_t N> - using scrubbed_arr = scrubbed<std::array<T, N>>; -} // namespace tools - -// Partial specialization for std::is_pod<tools::scrubbed<T>> so that it can -// pretend to be the containted type in those contexts. -namespace std -{ - template<class t_scrubbee> - struct is_pod<tools::scrubbed<t_scrubbee>> { - static const bool value = is_pod<t_scrubbee>::value; - }; -} - -#endif // __cplusplus |