79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/utils/benchmark.h" // for bench, do_not_optimize_away, etc
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#include "td/mtproto/DhHandshake.h"
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#include "td/utils/base64.h"
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#include "td/utils/common.h"
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#include "td/utils/logging.h"
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#include "td/utils/Slice.h"
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#include <map>
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#if TD_LINUX || TD_ANDROID || TD_TIZEN
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#include <semaphore.h>
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#endif
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namespace td {
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static int32 g = 3;
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static string prime_base64 =
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"xxyuucaxyQSObFIvcPE_c5gNQCOOPiHBSTTQN1Y9kw9IGYoKp8FAWCKUk9IlMPTb-jNvbgrJJROVQ67UTM58NyD9UfaUWHBaxozU_mtrE6vcl0ZRKW"
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"kyhFTxj6-MWV9kJHf-lrsqlB1bzR1KyMxJiAcI-ps3jjxPOpBgvuZ8-aSkppWBEFGQfhYnU7VrD2tBDbp02KhLKhSzFE4O8ShHVP0X7ZUNWWW0ud1G"
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"WC2xF40WnGvEZbDW_5yjko_vW5rk5Bj8Feg-vqD4f6n_Xu1wBQ3tKEn0e_lZ2VaFDOkphR8NgRX2NbEF7i5OFdBLJFS_b0-t8DSxBAMRnNjjuS_MW"
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"w";
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class HandshakeBench : public Benchmark {
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std::string get_description() const override {
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return "Handshake";
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}
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class FakeDhCallback : public DhCallback {
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public:
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int is_good_prime(Slice prime_str) const override {
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auto it = cache.find(prime_str.str());
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if (it == cache.end()) {
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return -1;
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}
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return it->second;
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}
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void add_good_prime(Slice prime_str) const override {
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cache[prime_str.str()] = 1;
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}
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void add_bad_prime(Slice prime_str) const override {
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cache[prime_str.str()] = 0;
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}
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mutable std::map<string, int> cache;
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} dh_callback;
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void run(int n) override {
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DhHandshake a;
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DhHandshake b;
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auto prime = base64url_decode(prime_base64).move_as_ok();
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DhHandshake::check_config(g, prime, &dh_callback).ensure();
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for (int i = 0; i < n; i += 2) {
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a.set_config(g, prime);
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b.set_config(g, prime);
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b.set_g_a(a.get_g_b());
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a.set_g_a(b.get_g_b());
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a.run_checks(true, &dh_callback).ensure();
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b.run_checks(true, &dh_callback).ensure();
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auto a_key = a.gen_key();
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auto b_key = b.gen_key();
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CHECK(a_key.first == b_key.first);
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}
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}
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};
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} // namespace td
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int main() {
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SET_VERBOSITY_LEVEL(VERBOSITY_NAME(DEBUG));
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td::bench(td::HandshakeBench());
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return 0;
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}
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