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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/utils/benchmark.h" // for bench, do_not_optimize_away, etc
#include "td/mtproto/crypto.h"
#include "td/utils/base64.h"
#include "td/utils/logging.h"
#include "td/utils/Slice.h"
#include <map>
#if TD_LINUX || TD_ANDROID || TD_TIZEN
#include <semaphore.h>
#endif
namespace td {
static int32 g = 3;
static string prime_base64 =
"xxyuucaxyQSObFIvcPE_c5gNQCOOPiHBSTTQN1Y9kw9IGYoKp8FAWCKUk9IlMPTb-jNvbgrJJROVQ67UTM58NyD9UfaUWHBaxozU_mtrE6vcl0ZRKW"
"kyhFTxj6-MWV9kJHf-lrsqlB1bzR1KyMxJiAcI-ps3jjxPOpBgvuZ8-aSkppWBEFGQfhYnU7VrD2tBDbp02KhLKhSzFE4O8ShHVP0X7ZUNWWW0ud1G"
"WC2xF40WnGvEZbDW_5yjko_vW5rk5Bj8Feg-vqD4f6n_Xu1wBQ3tKEn0e_lZ2VaFDOkphR8NgRX2NbEF7i5OFdBLJFS_b0-t8DSxBAMRnNjjuS_MW"
"w";
class HandshakeBench : public Benchmark {
std::string get_description() const override {
return "Handshake";
}
class FakeDhCallback : public DhCallback {
public:
int is_good_prime(Slice prime_str) const override {
auto it = cache.find(prime_str.str());
if (it == cache.end()) {
return -1;
}
return it->second;
}
void add_good_prime(Slice prime_str) const override {
cache[prime_str.str()] = 1;
}
void add_bad_prime(Slice prime_str) const override {
cache[prime_str.str()] = 0;
}
mutable std::map<string, int> cache;
} dh_callback;
void run(int n) override {
DhHandshake a;
DhHandshake b;
auto prime = base64url_decode(prime_base64).move_as_ok();
for (int i = 0; i < n; i += 2) {
a.set_config(g, prime);
b.set_config(g, prime);
b.set_g_a(a.get_g_b());
a.set_g_a(b.get_g_b());
a.run_checks(&dh_callback).ensure();
b.run_checks(&dh_callback).ensure();
auto a_key = a.gen_key();
auto b_key = b.gen_key();
CHECK(a_key.first == b_key.first);
}
}
};
} // namespace td
int main() {
SET_VERBOSITY_LEVEL(VERBOSITY_NAME(DEBUG));
td::bench(td::HandshakeBench());
return 0;
}
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