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#include <iostream>
#include <iomanip>
#include <botan/benchmark.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 "common.h"
#include "bench.h"
namespace {
const std::string algos[] = {
/* Block ciphers */
"AES-128",
"AES-192",
"AES-256",
"Blowfish",
"CAST-128",
"CAST-256",
"DES",
"DESX",
"GOST",
"IDEA",
"KASUMI",
"Lion(SHA-256,Turing,8192)",
"Luby-Rackoff(SHA-512)",
"MARS",
"MISTY1",
"Noekeon",
"RC2",
"RC5(12)",
"RC5(16)",
"RC6",
"SAFER-SK(10)",
"SEED",
"Serpent",
"Skipjack",
"Square",
"TEA",
"TripleDES",
"Twofish",
"XTEA",
/* Cipher modes */
"TripleDES/CBC/PKCS7",
"TripleDES/CBC/CTS",
"TripleDES/CTR-BE",
"TripleDES/EAX",
"TripleDES/OFB",
"TripleDES/CFB(64)",
"TripleDES/CFB(32)",
"TripleDES/CFB(16)",
"TripleDES/CFB(8)",
"AES-128/CBC/PKCS7",
"AES-128/CBC/CTS",
"AES-128/CTR-BE",
"AES-128/EAX",
"AES-128/OFB",
"AES-128/XTS",
"AES-128/CFB(128)",
"AES-128/CFB(64)",
"AES-128/CFB(32)",
"AES-128/CFB(16)",
"AES-128/CFB(8)",
"Serpent/CBC/PKCS7",
"Serpent/CBC/CTS",
"Serpent/CTR-BE",
"Serpent/EAX",
"Serpent/OFB",
"Serpent/XTS",
"Serpent/CFB(128)",
"Serpent/CFB(64)",
"Serpent/CFB(32)",
"Serpent/CFB(16)",
"Serpent/CFB(8)",
/* Stream ciphers */
"ARC4",
"Salsa20",
"Turing",
"WiderWake4+1-BE",
/* Checksums */
"Adler32",
"CRC24",
"CRC32",
/* Hashes */
"BMW-512",
"FORK-256",
"GOST-34.11",
"HAS-160",
"MD2",
"MD4",
"MD5",
"RIPEMD-128",
"RIPEMD-160",
"SHA-160",
"SHA-256",
"SHA-384",
"SHA-512",
"Skein-512",
"Tiger",
"Whirlpool",
/* MACs */
"CMAC(AES-128)",
"HMAC(SHA-1)",
"X9.19-MAC",
"",
};
void report_results(const std::string& algo,
const std::map<std::string, double>& speeds)
{
// invert, showing fastest impl first
std::map<double, std::string> results;
for(std::map<std::string, double>::const_iterator 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(std::map<double, std::string>::const_reverse_iterator i = results.rbegin();
i != results.rend(); ++i)
{
std::cout << " [" << i->second << "] "
<< std::fixed << std::setprecision(2) << i->first;
}
std::cout << "\n";
}
}
bool bench_algo(const std::string& algo,
Botan::RandomNumberGenerator& rng,
double seconds)
{
Botan::Default_Benchmark_Timer timer;
Botan::Algorithm_Factory& af = Botan::global_state().algorithm_factory();
u32bit milliseconds = static_cast<u32bit>(seconds * 1000);
std::map<std::string, double> speeds =
algorithm_benchmark(algo, milliseconds, timer, rng, af);
if(speeds.empty()) // maybe a cipher mode, then?
{
Botan::Algorithm_Factory::Engine_Iterator i(af);
std::vector<std::string> algo_parts = Botan::split_on(algo, '/');
if(algo_parts.size() < 2) // not a cipher mode
return false;
std::string cipher = algo_parts[0];
u32bit cipher_keylen =
af.prototype_block_cipher(cipher)->MAXIMUM_KEYLENGTH;
u32bit cipher_ivlen =
af.prototype_block_cipher(cipher)->BLOCK_SIZE;
if(algo_parts[1] == "XTS")
cipher_keylen *= 2; // hack!
std::vector<byte> buf(16 * 1024);
rng.randomize(&buf[0], buf.size());
while(Botan::Engine* engine = i.next())
{
u64bit nanoseconds_max = static_cast<u64bit>(seconds * 1000000000.0);
Botan::Keyed_Filter* filt =
engine->get_cipher(algo, Botan::ENCRYPTION, af);
if(!filt)
continue;
filt->set_key(Botan::SymmetricKey(&buf[0], cipher_keylen));
filt->set_iv(Botan::InitializationVector(&buf[0], cipher_ivlen));
Botan::Pipe pipe(filt, new Botan::BitBucket);
pipe.start_msg();
const u64bit start = timer.clock();
u64bit nanoseconds_used = 0;
u64bit reps = 0;
while(nanoseconds_used < nanoseconds_max)
{
pipe.write(&buf[0], buf.size());
++reps;
nanoseconds_used = timer.clock() - start;
}
double mbytes_per_second =
(953.67 * (buf.size() * reps)) / nanoseconds_used;
speeds[engine->provider_name()] = mbytes_per_second;
}
}
if(!speeds.empty())
report_results(algo, speeds);
return !speeds.empty();
}
void benchmark(Botan::RandomNumberGenerator& rng,
double seconds)
{
for(u32bit i = 0; algos[i] != ""; ++i)
bench_algo(algos[i], rng, seconds);
}
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