forked from premiere/premiere-libtorrent
148 lines
4.4 KiB
C++
148 lines
4.4 KiB
C++
/*
|
|
|
|
Copyright (c) 2003-2016, Arvid Norberg, Alden Torres
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
* 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.
|
|
* Neither the name of the author 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 OWNER 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.
|
|
|
|
*/
|
|
|
|
#include "libtorrent/hasher512.hpp"
|
|
#include "libtorrent/error_code.hpp"
|
|
#include "libtorrent/assert.hpp"
|
|
#include "libtorrent/aux_/openssl.hpp"
|
|
|
|
namespace libtorrent {
|
|
|
|
#ifdef TORRENT_MACOS_DEPRECATED_LIBCRYPTO
|
|
#pragma clang diagnostic push
|
|
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
|
|
#endif
|
|
|
|
hasher512::hasher512()
|
|
{
|
|
#ifdef TORRENT_USE_LIBGCRYPT
|
|
gcry_md_open(&m_context, GCRY_MD_SHA512, 0);
|
|
#elif TORRENT_USE_COMMONCRYPTO
|
|
CC_SHA512_Init(&m_context);
|
|
#elif TORRENT_USE_CRYPTOAPI_SHA_512
|
|
#elif defined TORRENT_USE_LIBCRYPTO
|
|
SHA512_Init(&m_context);
|
|
#else
|
|
SHA512_init(&m_context);
|
|
#endif
|
|
}
|
|
|
|
hasher512::hasher512(span<char const> data)
|
|
: hasher512()
|
|
{
|
|
update(data);
|
|
}
|
|
|
|
#ifdef TORRENT_USE_LIBGCRYPT
|
|
hasher512::hasher512(hasher512 const& h)
|
|
{
|
|
gcry_md_copy(&m_context, h.m_context);
|
|
}
|
|
|
|
hasher512& hasher512::operator=(hasher512 const& h) &
|
|
{
|
|
if (this == &h) return *this;
|
|
gcry_md_close(m_context);
|
|
gcry_md_copy(&m_context, h.m_context);
|
|
return *this;
|
|
}
|
|
#else
|
|
hasher512::hasher512(hasher512 const&) = default;
|
|
hasher512& hasher512::operator=(hasher512 const&) & = default;
|
|
#endif
|
|
|
|
hasher512& hasher512::update(span<char const> data)
|
|
{
|
|
TORRENT_ASSERT(!data.empty());
|
|
#ifdef TORRENT_USE_LIBGCRYPT
|
|
gcry_md_write(m_context, data.data(), data.size());
|
|
#elif TORRENT_USE_COMMONCRYPTO
|
|
CC_SHA512_Update(&m_context, reinterpret_cast<unsigned char const*>(data.data()), CC_LONG(data.size()));
|
|
#elif TORRENT_USE_CRYPTOAPI_SHA_512
|
|
m_context.update(data);
|
|
#elif defined TORRENT_USE_LIBCRYPTO
|
|
SHA512_Update(&m_context, reinterpret_cast<unsigned char const*>(data.data())
|
|
, static_cast<std::size_t>(data.size()));
|
|
#else
|
|
SHA512_update(&m_context, reinterpret_cast<unsigned char const*>(data.data())
|
|
, static_cast<std::size_t>(data.size()));
|
|
#endif
|
|
return *this;
|
|
}
|
|
|
|
sha512_hash hasher512::final()
|
|
{
|
|
sha512_hash digest;
|
|
#ifdef TORRENT_USE_LIBGCRYPT
|
|
gcry_md_final(m_context);
|
|
digest.assign(reinterpret_cast<char const*>(gcry_md_read(m_context, 0)));
|
|
#elif TORRENT_USE_COMMONCRYPTO
|
|
CC_SHA512_Final(reinterpret_cast<unsigned char*>(digest.data()), &m_context);
|
|
#elif TORRENT_USE_CRYPTOAPI_SHA_512
|
|
m_context.get_hash(digest.data(), digest.size());
|
|
#elif defined TORRENT_USE_LIBCRYPTO
|
|
SHA512_Final(reinterpret_cast<unsigned char*>(digest.data()), &m_context);
|
|
#else
|
|
SHA512_final(reinterpret_cast<unsigned char*>(digest.data()), &m_context);
|
|
#endif
|
|
return digest;
|
|
}
|
|
|
|
void hasher512::reset()
|
|
{
|
|
#ifdef TORRENT_USE_LIBGCRYPT
|
|
gcry_md_reset(m_context);
|
|
#elif TORRENT_USE_COMMONCRYPTO
|
|
CC_SHA512_Init(&m_context);
|
|
#elif TORRENT_USE_CRYPTOAPI_SHA_512
|
|
m_context.reset();
|
|
#elif defined TORRENT_USE_LIBCRYPTO
|
|
SHA512_Init(&m_context);
|
|
#else
|
|
SHA512_init(&m_context);
|
|
#endif
|
|
}
|
|
|
|
#if defined TORRENT_USE_LIBGCRYPT
|
|
hasher512::~hasher512()
|
|
{
|
|
gcry_md_close(m_context);
|
|
}
|
|
#else
|
|
hasher512::~hasher512() = default;
|
|
#endif
|
|
|
|
#ifdef TORRENT_MACOS_DEPRECATED_LIBCRYPTO
|
|
#pragma clang diagnostic pop
|
|
#endif
|
|
}
|