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/*
* (C) 2009 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#include "speed.h"
#include <iostream>
#include <iomanip>
#include <botan/benchmark.h>
#include <botan/aead.h>
#include <botan/auto_rng.h>
#include <botan/libstate.h>
#include <botan/pipe.h>
#include <botan/filters.h>
#include <botan/engine.h>
#include <botan/parsing.h>
#include <botan/symkey.h>
#include <botan/hex.h>
#include <chrono>
typedef std::chrono::high_resolution_clock benchmark_clock;
using namespace Botan;
namespace {
const std::vector<std::string> default_benchmark_list = {
/* Block ciphers */
"AES-128",
"AES-192",
"AES-256",
"Blowfish",
"CAST-128",
"CAST-256",
"DES",
"IDEA",
"KASUMI",
"MARS",
"MISTY1",
"Noekeon",
"RC2",
"RC5(16)",
"RC6",
"SAFER-SK(10)",
"SEED",
"Serpent",
"Skipjack",
"Square",
"TEA",
"TripleDES",
"Threefish-512",
"Twofish",
"XTEA",
/* Cipher modes */
"AES-128/CBC",
"AES-128/CTR-BE",
"AES-128/EAX",
"AES-128/OCB",
"AES-128/GCM",
"AES-128/XTS",
"Serpent/CBC",
"Serpent/CTR-BE",
"Serpent/EAX",
"Serpent/OCB",
"Serpent/GCM",
"Serpent/XTS",
/* Stream ciphers */
"RC4",
"Salsa20",
/* Hashes */
"Keccak-1600(512)",
"MD5",
"RIPEMD-160",
"SHA-160",
"SHA-256",
"SHA-384",
"SHA-512",
"Skein-512",
"Tiger",
"Whirlpool",
/* MACs */
"CMAC(AES-128)",
"HMAC(SHA-1)"
};
void report_results(const std::string& algo,
const std::map<std::string, double>& speeds)
{
if(speeds.empty())
return;
// invert, showing fastest impl first
std::map<double, std::string> results;
for(auto i = speeds.begin(); i != speeds.end(); ++i)
{
// Speeds might collide, tweak slightly to handle this
if(results[i->second] == "")
results[i->second] = i->first;
else
results[i->second - .01] = i->first;
}
std::cout << algo;
for(auto i = results.rbegin(); i != results.rend(); ++i)
{
std::cout << " [" << i->second << "] "
<< std::fixed << std::setprecision(2) << i->first;
}
std::cout << std::endl;
}
void time_transform(std::unique_ptr<Transformation> tf,
RandomNumberGenerator& rng)
{
if(!tf)
return;
const std::chrono::seconds runtime(2);
for(size_t buf_size : { 16, 64, 256, 1024, 8192 })
{
secure_vector<byte> buffer(buf_size);
std::chrono::nanoseconds time_used(0);
tf->start(rng.random_vec(tf->default_nonce_length()));
auto start = std::chrono::high_resolution_clock::now();
secure_vector<byte> buf(buf_size);
size_t reps = 0;
while(time_used < runtime)
{
tf->update(buf);
buf.resize(buf_size);
++reps;
time_used = std::chrono::high_resolution_clock::now() - start;
}
const u64bit nsec_used = std::chrono::duration_cast<std::chrono::nanoseconds>(time_used).count();
const double seconds_used = static_cast<double>(nsec_used) / 1000000000;
const double Mbps = ((reps / seconds_used) * buf_size) / 1024 / 1024;
std::cout << tf->name() << " " << std::setprecision(4) << Mbps
<< " MiB / sec with " << buf_size << " byte blocks\n";
}
}
void time_transform(const std::string& algo, RandomNumberGenerator& rng)
{
std::unique_ptr<Transformation> tf;
tf.reset(get_aead(algo, ENCRYPTION));
if(Keyed_Transform* keyed = dynamic_cast<Keyed_Transform*>(tf.get()))
keyed->set_key(rng.random_vec(keyed->key_spec().maximum_keylength()));
time_transform(std::move(tf), rng);
}
}
void bench_algo(const std::string& algo,
RandomNumberGenerator& rng,
double seconds,
size_t buf_size)
{
Algorithm_Factory& af = global_state().algorithm_factory();
std::chrono::milliseconds ms(
static_cast<std::chrono::milliseconds::rep>(seconds * 1000));
std::map<std::string, double> speeds = algorithm_benchmark(algo, af, rng, ms, buf_size);
report_results(algo, speeds);
if(speeds.empty())
time_transform(algo, rng);
if(speeds.empty())
bench_pk(rng, algo, seconds);
}
int speed_main(int argc, char* argv[])
{
OptionParser opts("seconds=|buf-size=");
opts.parse(argv);
double seconds = .5;
u32bit buf_size = 16;
if(opts.is_set("seconds"))
{
seconds = std::atof(opts.value("seconds").c_str());
if(seconds < 0.1 || seconds > (5 * 60))
{
std::cout << "Invalid argument to --seconds\n";
return 2;
}
}
if(opts.is_set("buf-size"))
{
buf_size = std::atoi(opts.value("buf-size").c_str());
if(buf_size == 0 || buf_size > 1024)
{
std::cout << "Invalid argument to --buf-size\n";
return 2;
}
}
auto args = opts.arguments();
if(args.empty())
args = default_benchmark_list;
if(args[0] == "help" || args[0] == "-h")
{
std::cout << "Usage: " << argv[0] << " [algo name...]\n";
return 1;
}
AutoSeeded_RNG rng;
for(auto alg: args)
bench_algo(alg, rng, seconds, buf_size);
return 0;
}
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