monero/tests/performance_tests/crypto_ops.h

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// Copyright (c) 2014-2019, The Monero Project
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//
// 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
#include "crypto/crypto.h"
#include "ringct/rctOps.h"
enum test_op
{
op_sc_add,
op_sc_sub,
op_sc_mul,
op_ge_add_raw,
op_ge_add_p3_p3,
op_zeroCommitCached,
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ops_fast,
op_addKeys,
op_scalarmultBase,
op_scalarmultKey,
op_scalarmultH,
op_scalarmult8,
op_ge_dsm_precomp,
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op_ge_double_scalarmult_base_vartime,
op_ge_double_scalarmult_precomp_vartime,
op_ge_double_scalarmult_precomp_vartime2,
op_addKeys2,
op_addKeys3,
op_addKeys3_2,
op_isInMainSubgroup,
op_zeroCommitUncached,
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};
template<test_op op>
class test_crypto_ops
{
public:
static const size_t loop_count = op < ops_fast ? 10000000 : 1000;
bool init()
{
scalar0 = rct::skGen();
scalar1 = rct::skGen();
point0 = rct::scalarmultBase(rct::skGen());
point1 = rct::scalarmultBase(rct::skGen());
if (ge_frombytes_vartime(&p3_0, point0.bytes) != 0)
return false;
if (ge_frombytes_vartime(&p3_1, point1.bytes) != 0)
return false;
ge_p3_to_cached(&cached, &p3_0);
rct::precomp(precomp0, point0);
rct::precomp(precomp1, point1);
return true;
}
bool test()
{
rct::key key;
ge_cached tmp_cached;
ge_p1p1 tmp_p1p1;
ge_p2 tmp_p2;
ge_dsmp dsmp;
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switch (op)
{
case op_sc_add: sc_add(key.bytes, scalar0.bytes, scalar1.bytes); break;
case op_sc_sub: sc_sub(key.bytes, scalar0.bytes, scalar1.bytes); break;
case op_sc_mul: sc_mul(key.bytes, scalar0.bytes, scalar1.bytes); break;
case op_ge_add_p3_p3: {
ge_p3_to_cached(&tmp_cached, &p3_0);
ge_add(&tmp_p1p1, &p3_1, &tmp_cached);
ge_p1p1_to_p3(&p3_1, &tmp_p1p1);
break;
}
case op_ge_add_raw: ge_add(&tmp_p1p1, &p3_1, &cached); break;
case op_addKeys: rct::addKeys(key, point0, point1); break;
case op_scalarmultBase: rct::scalarmultBase(scalar0); break;
case op_scalarmultKey: rct::scalarmultKey(point0, scalar0); break;
case op_scalarmultH: rct::scalarmultH(scalar0); break;
case op_scalarmult8: rct::scalarmult8(point0); break;
case op_ge_dsm_precomp: ge_dsm_precomp(dsmp, &p3_0); 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;
case op_ge_double_scalarmult_precomp_vartime: ge_double_scalarmult_precomp_vartime(&tmp_p2, scalar0.bytes, &p3_0, scalar1.bytes, precomp0); break;
case op_ge_double_scalarmult_precomp_vartime2: ge_double_scalarmult_precomp_vartime2(&tmp_p2, scalar0.bytes, precomp0, scalar1.bytes, precomp1); break;
case op_addKeys2: rct::addKeys2(key, scalar0, scalar1, point0); break;
case op_addKeys3: rct::addKeys3(key, scalar0, point0, scalar1, precomp1); break;
case op_addKeys3_2: rct::addKeys3(key, scalar0, precomp0, scalar1, precomp1); break;
case op_isInMainSubgroup: rct::isInMainSubgroup(point0); break;
case op_zeroCommitUncached: rct::zeroCommit(9001); break;
case op_zeroCommitCached: rct::zeroCommit(9000); break;
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default: return false;
}
return true;
}
private:
rct::key scalar0, scalar1;
rct::key point0, point1;
ge_p3 p3_0, p3_1;
ge_cached cached;
ge_dsmp precomp0, precomp1;
};