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/**
* @file test_decaf.cxx
* @author Mike Hamburg
*
* @copyright
* Copyright (c) 2015 Cryptography Research, Inc. \n
* Released under the MIT License. See LICENSE.txt for license information.
*
* @brief C++ benchmarks, because that's easier.
*/
#include <decaf.hxx>
#include <decaf/shake.hxx>
#include <decaf/sha512.hxx>
#include <decaf/spongerng.hxx>
#include <decaf/eddsa.hxx>
#include <stdio.h>
#include <assert.h>
#include <stdint.h>
#include <vector>
#include <algorithm>
using namespace decaf;
#if defined _MSC_VER // Turn off attribute code and rename inline
#define __attribute__(x) // Turn off attribute code
#define __attribute(x)
#define __inline__ __inline // Use MSVC inline
#endif // MSVC
static __inline__ void __attribute__((unused)) ignore_result ( int result ) { (void)result; }
#if defined _MSC_VER // MSVC does not have gettimeoftheday
#include <chrono>
static double now(void) {
static const auto beg = std::chrono::high_resolution_clock::now();
auto end_time = std::chrono::high_resolution_clock::now();
auto time = end_time - beg;
double duration = 0.000001 * std::chrono::duration_cast<std::chrono::microseconds>(time).count();
return duration;
}
#else
#include <sys/time.h>
static double now(void) {
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec + tv.tv_usec/1000000.0;
}
#endif
// RDTSC from the chacha code
#ifndef __has_builtin
#define __has_builtin(X) 0
#endif
#if defined(__clang__) && __has_builtin(__builtin_readcyclecounter)
#define rdtsc __builtin_readcyclecounter
#else
static inline uint64_t rdtsc(void) {
# if defined(__x86_64__)
uint32_t lobits, hibits;
__asm__ __volatile__ ("rdtsc" : "=a"(lobits), "=d"(hibits));
return (lobits | ((uint64_t)(hibits) << 32));
# elif defined(__i386__)
uint64_t __value;
__asm__ __volatile__ ("rdtsc" : "=A"(__value));
return __value;
# else
return 0;
# endif
}
#endif
static void printSI(double x, const char *unit, const char *spacer = " ") {
const char *small[] = {" ","m","µ","n","p"};
const char *big[] = {" ","k","M","G","T"};
if (x < 1) {
unsigned di=0;
for (di=0; di<sizeof(small)/sizeof(*small)-1 && x && x < 1; di++) {
x *= 1000.0;
}
printf("%6.2f%s%s%s", x, spacer, small[di], unit);
} else {
unsigned di=0;
for (di=0; di<sizeof(big)/sizeof(*big)-1 && x && x >= 1000; di++) {
x /= 1000.0;
}
printf("%6.2f%s%s%s", x, spacer, big[di], unit);
}
}
class Benchmark {
static const int NTESTS = 20, NSAMPLES=50, DISCARD=2;
static double totalCy, totalS;
public:
int i, j, ntests, nsamples;
double begin;
uint64_t tsc_begin;
std::vector<double> times;
std::vector<uint64_t> cycles;
Benchmark(const char *s, double factor = 1) {
printf("%s:", s);
if (strlen(s) < 25) printf("%*s",int(25-strlen(s)),"");
fflush(stdout);
i = j = 0;
ntests = NTESTS * factor;
nsamples = NSAMPLES;
begin = now();
tsc_begin = rdtsc();
times = std::vector<double>(NSAMPLES);
cycles = std::vector<uint64_t>(NSAMPLES);
}
~Benchmark() {
double tsc = 0;
double t = 0;
std::sort(times.begin(), times.end());
std::sort(cycles.begin(), cycles.end());
for (int k=DISCARD; k<nsamples-DISCARD; k++) {
tsc += cycles[k];
t += times[k];
}
totalCy += tsc;
totalS += t;
t /= ntests*(nsamples-2*DISCARD);
tsc /= ntests*(nsamples-2*DISCARD);
printSI(t,"s");
printf(" ");
printSI(1/t,"/s");
if (tsc) { printf(" "); printSI(tsc, "cy"); }
printf("\n");
}
inline bool iter() {
i++;
if (i >= ntests) {
uint64_t tsc = rdtsc() - tsc_begin;
double t = now() - begin;
begin += t;
tsc_begin += tsc;
assert(j >= 0 && j < nsamples);
cycles[j] = tsc;
times[j] = t;
j++;
i = 0;
}
return j < nsamples;
}
static void calib() {
if (totalS && totalCy) {
const char *s = "Cycle calibration";
printf("%s:", s);
if (strlen(s) < 25) printf("%*s",int(25-strlen(s)),"");
printSI(totalCy / totalS, "Hz");
printf("\n");
}
}
};
double Benchmark::totalCy = 0, Benchmark::totalS = 0;
template<typename Group> struct Benches {
typedef typename Group::Scalar Scalar;
typedef typename Group::Point Point;
typedef typename Group::Precomputed Precomputed;
static void cfrg() {
SpongeRng rng(Block("bench_cfrg_crypto"),SpongeRng::DETERMINISTIC);
FixedArrayBuffer<Group::DhLadder::PUBLIC_BYTES> base(rng);
FixedArrayBuffer<Group::DhLadder::PRIVATE_BYTES> s1(rng);
for (Benchmark b("RFC 7748 keygen"); b.iter(); ) { Group::DhLadder::derive_public_key(s1); }
for (Benchmark b("RFC 7748 shared secret"); b.iter(); ) { Group::DhLadder::shared_secret(base,s1); }
FixedArrayBuffer<EdDSA<Group>::PrivateKey::SER_BYTES> e1(rng);
typename EdDSA<Group>::PublicKey pub((NOINIT()));
typename EdDSA<Group>::PrivateKey priv((NOINIT()));
SecureBuffer sig;
for (Benchmark b("EdDSA keygen"); b.iter(); ) { priv = e1; }
for (Benchmark b("EdDSA sign"); b.iter(); ) { sig = priv.sign(Block(NULL,0)); }
pub = priv;
for (Benchmark b("EdDSA verify"); b.iter(); ) { pub.verify(sig,Block(NULL,0)); }
}
static void macro() {
printf("\nMacro-benchmarks for %s:\n", Group::name());
printf("CFRG crypto benchmarks:\n");
cfrg();
}
static void micro() {
SpongeRng rng(Block("per-curve-benchmarks"),SpongeRng::DETERMINISTIC);
Precomputed pBase;
Point p,q;
Scalar s(1),t(2);
SecureBuffer ep, ep2(Point::SER_BYTES*2);
printf("\nMicro-benchmarks for %s:\n", Group::name());
for (Benchmark b("Scalar add", 1000); b.iter(); ) { s+=t; }
for (Benchmark b("Scalar times", 100); b.iter(); ) { s*=t; }
for (Benchmark b("Scalar inv", 1); b.iter(); ) { s.inverse(); }
for (Benchmark b("Point add", 100); b.iter(); ) { p += q; }
for (Benchmark b("Point double", 100); b.iter(); ) { p.double_in_place(); }
for (Benchmark b("Point scalarmul"); b.iter(); ) { p * s; }
for (Benchmark b("Point encode"); b.iter(); ) { ep = p.serialize(); }
for (Benchmark b("Point decode"); b.iter(); ) { p = Point(ep); }
for (Benchmark b("Point create/destroy"); b.iter(); ) { Point r; }
for (Benchmark b("Point hash nonuniform"); b.iter(); ) { Point::from_hash(ep); }
for (Benchmark b("Point hash uniform"); b.iter(); ) { Point::from_hash(ep2); }
for (Benchmark b("Point unhash nonuniform"); b.iter(); ) { ignore_result(p.invert_elligator(ep,0)); }
for (Benchmark b("Point unhash uniform"); b.iter(); ) { ignore_result(p.invert_elligator(ep2,0)); }
for (Benchmark b("Point steg"); b.iter(); ) { p.steg_encode(rng); }
for (Benchmark b("Point double scalarmul"); b.iter(); ) { Point::double_scalarmul(p,s,q,t); }
for (Benchmark b("Point dual scalarmul"); b.iter(); ) { p.dual_scalarmul(p,q,s,t); }
for (Benchmark b("Point precmp scalarmul"); b.iter(); ) { pBase * s; }
for (Benchmark b("Point double scalarmul_v"); b.iter(); ) {
s = Scalar(rng);
t = Scalar(rng);
p.non_secret_combo_with_base(s,t);
}
}
}; /* template <typename group> struct Benches */
template <typename Group> struct Macro { static void run() { Benches<Group>::macro(); } };
template <typename Group> struct Micro { static void run() { Benches<Group>::micro(); } };
int main(int argc, char **argv) {
bool micro = false;
if (argc >= 2 && !strcmp(argv[1], "--micro"))
micro = true;
SpongeRng rng(Block("micro-benchmarks"),SpongeRng::DETERMINISTIC);
if (micro) {
printf("\nMicro-benchmarks:\n");
SHAKE<128> shake1;
SHAKE<256> shake2;
SHA3<512> sha5;
SHA512 sha2;
unsigned char b1024[1024] = {1};
for (Benchmark b("SHAKE128 1kiB", 30); b.iter(); ) { shake1 += Buffer(b1024,1024); }
for (Benchmark b("SHAKE256 1kiB", 30); b.iter(); ) { shake2 += Buffer(b1024,1024); }
for (Benchmark b("SHA3-512 1kiB", 30); b.iter(); ) { sha5 += Buffer(b1024,1024); }
for (Benchmark b("SHA512 1kiB", 30); b.iter(); ) { sha2 += Buffer(b1024,1024); }
run_for_all_curves<Micro>();
}
run_for_all_curves<Macro>();
printf("\n");
Benchmark::calib();
printf("\n");
return 0;
}
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