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/*
* ngtcp2
*
* Copyright (c) 2025 nghttp2 contributors
* Copyright (c) 2025 ngtcp2 contributors
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "siphash_test.h"
#include <cstring>
#include <array>
#include <numeric>
#include "siphash.h"
#include "siphash_vector.h"
namespace ngtcp2 {
namespace {
const MunitTest tests[]{
munit_void_test(test_siphash),
munit_void_test(test_siphash_vector),
munit_test_end(),
};
} // namespace
const MunitSuite siphash_suite{
.prefix = "/siphash",
.tests = tests,
};
void test_siphash(void) {
std::array<uint8_t, 16> key_bytes;
std::iota(std::ranges::begin(key_bytes), std::ranges::end(key_bytes), 0);
std::array<uint64_t, 2> key;
memcpy(key.data(), key_bytes.data(), key_bytes.size());
if constexpr (std::endian::native == std::endian::big) {
key[0] = byteswap(key[0]);
key[1] = byteswap(key[1]);
}
std::array<uint8_t, 15> input;
std::iota(std::ranges::begin(input), std::ranges::end(input), 0);
assert_uint64(0xa129ca6149be45e5ull, ==, siphash24(key, input));
}
void test_siphash_vector(void) {
std::array<uint8_t, 16> key_bytes;
std::iota(std::ranges::begin(key_bytes), std::ranges::end(key_bytes), 0);
std::array<uint64_t, 2> key;
memcpy(key.data(), key_bytes.data(), key_bytes.size());
if constexpr (std::endian::native == std::endian::big) {
key[0] = byteswap(key[0]);
key[1] = byteswap(key[1]);
}
std::array<uint8_t, 64> in;
for (size_t i = 0; i < 64; ++i) {
in[i] = static_cast<uint8_t>(i);
auto h = siphash24(key, std::span{in}.first(i));
uint64_t expect;
memcpy(&expect, &vectors_sip64[i], sizeof(expect));
if constexpr (std::endian::native == std::endian::big) {
expect = byteswap(expect);
}
assert_uint64(expect, ==, h);
}
}
} // namespace ngtcp2
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