wownero/tests/unit_tests/keccak.cpp
moneromooo-monero c2238327d0
keccak: guard against misaligned memory accesses on ARM
The code generated is exactly the same as the direct access
one on x86_64
2019-07-04 22:13:16 +00:00

167 lines
4.2 KiB
C++

// Copyright (c) 2018, 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.
#include "gtest/gtest.h"
extern "C" {
#include "crypto/keccak.h"
}
#define KECCAK_BLOCKLEN 136
#define TEST_KECCAK(sz, chunks) \
std::string data; \
data.resize(sz); \
for (size_t i = 0; i < data.size(); ++i) \
data[i] = i * 17; \
uint8_t md0[32], md1[32]; \
keccak((const uint8_t*)data.data(), data.size(), md0, 32); \
KECCAK_CTX ctx; \
keccak_init(&ctx); \
size_t offset = 0; \
for (size_t i = 0; i < sizeof(chunks) / sizeof(chunks[0]); ++i) \
{ \
ASSERT_TRUE(offset + chunks[i] <= data.size()); \
keccak_update(&ctx, (const uint8_t*)data.data() + offset, chunks[i]); \
offset += chunks[i]; \
} \
ASSERT_TRUE(offset == data.size()); \
keccak_finish(&ctx, md1); \
ASSERT_EQ(memcmp(md0, md1, 32), 0);
TEST(keccak, )
{
}
TEST(keccak, 0_and_0)
{
static const size_t chunks[] = {0};
TEST_KECCAK(0, chunks);
}
TEST(keccak, 1_and_1)
{
static const size_t chunks[] = {1};
TEST_KECCAK(1, chunks);
}
TEST(keccak, 1_and_0_1_0)
{
static const size_t chunks[] = {0, 1, 0};
TEST_KECCAK(1, chunks);
}
TEST(keccak, 2_and_1_1)
{
static const size_t chunks[] = {1, 1};
TEST_KECCAK(2, chunks);
}
TEST(keccak, 4_and_0_0_1_0_2_1_0)
{
static const size_t chunks[] = {0, 0, 1, 0, 2, 1, 0};
TEST_KECCAK(4, chunks);
}
TEST(keccak, 15_and_1_14)
{
static const size_t chunks[] = {1, 14};
TEST_KECCAK(15, chunks);
}
TEST(keccak, 135_and_134_1)
{
static const size_t chunks[] = {134, 1};
TEST_KECCAK(135, chunks);
}
TEST(keccak, 135_and_135_0)
{
static const size_t chunks[] = {135, 0};
TEST_KECCAK(135, chunks);
}
TEST(keccak, 135_and_0_135)
{
static const size_t chunks[] = {0, 135};
TEST_KECCAK(135, chunks);
}
TEST(keccak, 136_and_135_1)
{
static const size_t chunks[] = {135, 1};
TEST_KECCAK(136, chunks);
}
TEST(keccak, 136_and_136_0)
{
static const size_t chunks[] = {136, 0};
TEST_KECCAK(136, chunks);
}
TEST(keccak, 136_and_0_136)
{
static const size_t chunks[] = {0, 136};
TEST_KECCAK(136, chunks);
}
TEST(keccak, 136_and_136)
{
static const size_t chunks[] = {136};
TEST_KECCAK(136, chunks);
}
TEST(keccak, 137_and_136_1)
{
static const size_t chunks[] = {136, 1};
TEST_KECCAK(137, chunks);
}
TEST(keccak, 137_and_1_136)
{
static const size_t chunks[] = {1, 136};
TEST_KECCAK(137, chunks);
}
TEST(keccak, alignment)
{
uint8_t data[6064];
__attribute__ ((aligned(16))) char adata[6000];
for (size_t i = 0; i < sizeof(data) / sizeof(data[0]); ++i)
data[i] = i & 1;
uint8_t md[32], amd[32];
for (int offset = 0; offset < 64; ++offset)
{
memcpy(adata, data + offset, 6000);
keccak((const uint8_t*)&data[offset], 6000, md, 32);
keccak((const uint8_t*)adata, 6000, amd, 32);
ASSERT_TRUE(!memcmp(md, amd, 32));
}
}