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118 lines
4.4 KiB
C++
118 lines
4.4 KiB
C++
// Copyright (c) 2014-2017, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
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#pragma once
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#include "crypto/crypto.h"
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#include "ringct/rctOps.h"
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enum test_op
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{
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op_sc_add,
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op_sc_sub,
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op_sc_mul,
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op_ge_add_raw,
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op_ge_add_p3_p3,
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ops_fast,
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op_addKeys,
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op_scalarmultBase,
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op_scalarmultKey,
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op_ge_double_scalarmult_base_vartime,
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op_ge_double_scalarmult_precomp_vartime,
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op_ge_double_scalarmult_precomp_vartime2,
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op_addKeys2,
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op_addKeys3,
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op_addKeys3_2,
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op_isInMainSubgroup,
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};
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template<test_op op>
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class test_crypto_ops
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{
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public:
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static const size_t loop_count = op < ops_fast ? 10000000 : 1000;
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bool init()
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{
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scalar0 = rct::skGen();
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scalar1 = rct::skGen();
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point0 = rct::scalarmultBase(rct::skGen());
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point1 = rct::scalarmultBase(rct::skGen());
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if (ge_frombytes_vartime(&p3_0, point0.bytes) != 0)
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return false;
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if (ge_frombytes_vartime(&p3_1, point1.bytes) != 0)
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return false;
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ge_p3_to_cached(&cached, &p3_0);
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rct::precomp(precomp0, point0);
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rct::precomp(precomp1, point1);
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return true;
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}
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bool test()
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{
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rct::key key;
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ge_cached tmp_cached;
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ge_p1p1 tmp_p1p1;
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ge_p2 tmp_p2;
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switch (op)
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{
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case op_sc_add: sc_add(key.bytes, scalar0.bytes, scalar1.bytes); break;
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case op_sc_sub: sc_sub(key.bytes, scalar0.bytes, scalar1.bytes); break;
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case op_sc_mul: sc_mul(key.bytes, scalar0.bytes, scalar1.bytes); break;
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case op_ge_add_p3_p3: {
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ge_p3_to_cached(&tmp_cached, &p3_0);
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ge_add(&tmp_p1p1, &p3_1, &tmp_cached);
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ge_p1p1_to_p3(&p3_1, &tmp_p1p1);
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break;
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}
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case op_ge_add_raw: ge_add(&tmp_p1p1, &p3_1, &cached); break;
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case op_addKeys: rct::addKeys(key, point0, point1); break;
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case op_scalarmultBase: rct::scalarmultBase(scalar0); break;
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case op_scalarmultKey: rct::scalarmultKey(point0, scalar0); break;
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case op_ge_double_scalarmult_base_vartime: ge_double_scalarmult_base_vartime(&tmp_p2, scalar0.bytes, &p3_0, scalar1.bytes); break;
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case op_ge_double_scalarmult_precomp_vartime: ge_double_scalarmult_precomp_vartime(&tmp_p2, scalar0.bytes, &p3_0, scalar1.bytes, precomp0); break;
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case op_ge_double_scalarmult_precomp_vartime2: ge_double_scalarmult_precomp_vartime2(&tmp_p2, scalar0.bytes, precomp0, scalar1.bytes, precomp1); break;
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case op_addKeys2: rct::addKeys2(key, scalar0, scalar1, point0); break;
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case op_addKeys3: rct::addKeys3(key, scalar0, point0, scalar1, precomp1); break;
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case op_addKeys3_2: rct::addKeys3(key, scalar0, precomp0, scalar1, precomp1); break;
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case op_isInMainSubgroup: rct::isInMainSubgroup(point0); break;
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default: return false;
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}
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return true;
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}
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private:
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rct::key scalar0, scalar1;
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rct::key point0, point1;
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ge_p3 p3_0, p3_1;
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ge_cached cached;
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ge_dsmp precomp0, precomp1;
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};
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