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benchmark_lowmc.c
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benchmark_lowmc.c
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/*! @file benchmark_lowmc.c
* @brief Benchmarking code for the Picnic and Fish signature schemes. KeyGen,
* sign, and verify are benchmarked both directly as well as using the
* signature API.
*
* This file is part of the reference implementation of the Picnic and Fish
* signature schemes, described in the paper:
*
* Post-Quantum Zero-Knowledge and Signatures from Symmetric-Key Primitives
* Melissa Chase and David Derler and Steven Goldfeder and Claudio Orlandi and
* Sebastian Ramacher and Christian Rechberger and Daniel Slamanig and Greg
* Zaverucha
* Cryptology ePrint Archive: Report 2017/279
* http://eprint.iacr.org/2017/279
*
* The code is provided under the MIT license, see LICENSE for
* more details.
*
*/
#include <time.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <openssl/sha.h>
#include <openssl/conf.h>
#include <openssl/evp.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include "LowMCEnc.h"
#include "LowMC.h"
#include "test_util.h"
#include <immintrin.h>
#include "picnic.h"
#define NUM_ITER 1
#define t 8
#define MESSAGE_LEN 50
#define TRANSFORM_STRING(tr) ((tr == TRANSFORM_UR) ? "UR" : "FS")
/* function defined in picnic.c, used here for testing, but not part of the Picnic API */
int picnicParamsToLowMCParams(picnic_params_t picnicParams, lowmcparams_t* lowmcParams);
/* nameOfConfig is just used to print the results nicely and can be anything, but
* should be a recognizable name of the circuit used */
void benchmarkPicnicDirect(const char* nameOfConfig, transform_t transform, picnic_params_t params)
{
lowmcparams_t lowmcparams;
if (picnicParamsToLowMCParams(params, &lowmcparams) != EXIT_SUCCESS) {
exit(-1);
}
uint32_t* privateKey = calloc(lowmcparams.stateSizeWords, sizeof(uint32_t));
privateKey[lowmcparams.stateSizeWords - 1] = 1;
uint32_t* pubInput = calloc(lowmcparams.stateSizeWords, sizeof(uint32_t));
pubInput[lowmcparams.stateSizeWords - 1] = 1;
uint8_t message[MESSAGE_LEN];
memset(&message, 0, sizeof(message));
if (readLookupTables(&lowmcparams) != 0) {
fprintf(stdout, "Initialization failed (reading look-up tables).\n");
fflush(stdout);
exit(-1);
}
uint64_t cycles_begin, cycles_end;
/* Generate key pair */
uint32_t* publicKey = (uint32_t*)malloc(lowmcparams.stateSizeWords * sizeof(uint32_t));
signature_t* signature = malloc(sizeof(signature_t));
allocateSignature(signature, &lowmcparams);
printf("\nPicnic direct benchmark: running keyGen, sign & verify for %d iterations of %d rounds each \n",
NUM_ITER, NUM_ZKB_ROUNDS);
cycles_begin = cpucycles();
for (int i = 0; i < NUM_ITER; i++) {
LowMCEnc(pubInput, publicKey, privateKey, &lowmcparams);
}
cycles_end = cpucycles();
char label[100];
sprintf(label, "Time for [%s-%s] keyGeneration (LowMCEnc())", nameOfConfig, TRANSFORM_STRING(transform));
bench_print(label, (cycles_end - cycles_begin), NUM_ITER); /* The 3rd param is the number of runs*/
cycles_begin = cpucycles();
for (int i = 0; i < NUM_ITER; i++) {
sign(privateKey, publicKey, pubInput, message, sizeof(message), signature, transform, &lowmcparams);
}
cycles_end = cpucycles();
sprintf(label, "Time for [%s-%s] sign()", nameOfConfig, TRANSFORM_STRING(transform));
bench_print(label, (cycles_end - cycles_begin), NUM_ITER); /* The 3rd param is the number of runs*/
cycles_begin = cpucycles();
for (int i = 0; i < NUM_ITER; i++) {
verify(signature, publicKey, pubInput, message,
sizeof(message), transform, &lowmcparams);
}
cycles_end = cpucycles();
sprintf(label, "Time for [%s-%s] verify()", nameOfConfig, TRANSFORM_STRING(transform));
bench_print(label, (cycles_end - cycles_begin), NUM_ITER);
freeSignature(signature);
free(signature);
free(publicKey);
free(privateKey);
free(pubInput);
freeLookupTables();
}
void benchmarkPicnicAPI(char* nameOfConfig, transform_t transform, picnic_params_t params)
{
picnic_publickey_t pk;
picnic_privatekey_t sk;
uint64_t cycles_begin, cycles_end;
char label[100];
printf("\n Picnic API benchmark: running keyGen, sign & verify for %d iterations of %d rounds each \n",
NUM_ITER, NUM_ZKB_ROUNDS);
if (picnic_init(params, 0) != 0) {
fprintf(stdout, "Initialization failed.\n");
fflush(stdout);
exit(-1);
}
/* Key generation */
cycles_begin = cpucycles();
for (int i = 0; i < NUM_ITER; i++) {
(void)picnic_keygen(params, &pk, &sk);
}
cycles_end = cpucycles();
sprintf(label, "Time for [%s-%s] picnic_keygen", nameOfConfig, TRANSFORM_STRING(transform));
bench_print(label, (cycles_end - cycles_begin), NUM_ITER);
/* Sign */
uint8_t message[MESSAGE_LEN];
memset(&message, 0, sizeof(message));
uint8_t* signature = NULL;
size_t signature_len = picnic_signature_size(params);
signature = (uint8_t*)malloc(signature_len);
if (signature == NULL) {
printf("failed to allocate signature\n");
exit(-1);
}
size_t av_sig_len = 0;
cycles_begin = cpucycles();
for (int i = 0; i < NUM_ITER; i++) {
/* Since the sign API outputs the number of signature bytes, re-set it
* to the size of the buffer every iteration */
size_t siglen = signature_len;
(void)picnic_sign(&sk, message, sizeof(message), signature, &siglen);
av_sig_len += siglen;
}
cycles_end = cpucycles();
sprintf(label, "Time for [%s-%s] picnic_sign", nameOfConfig, TRANSFORM_STRING(transform));
bench_print(label, (cycles_end - cycles_begin), NUM_ITER);
/* Verify */
cycles_begin = cpucycles();
for (int i = 0; i < NUM_ITER; i++) {
(void)picnic_verify(&pk, message, sizeof(message), signature,
signature_len);
}
cycles_end = cpucycles();
sprintf(label, "Time for [%s-%s] picnic_verify", nameOfConfig, TRANSFORM_STRING(transform));
bench_print(label, (cycles_end - cycles_begin), NUM_ITER);
if (transform == TRANSFORM_UR) {
printf(" Signature size (exact): %u bytes\n", (unsigned int)(av_sig_len / NUM_ITER));
}
else if (transform == TRANSFORM_FS) {
unsigned int av = ((unsigned int)(av_sig_len / NUM_ITER)) + ((av_sig_len % NUM_ITER) != 0);
printf(" Signature size (average): %u bytes\n", av);
}
printf("\n");
free(signature);
picnic_shutdown(0);
}
void parseOptions(int argc, char** argv, transform_t* transform)
{
for (int i = 1; i < argc; i++) {
if (strcmp("-u", argv[i]) == 0) {
*transform = TRANSFORM_UR;
}
}
}
int serializationTest(transform_t transform, picnic_params_t params)
{
int ret = -1;
lowmcparams_t lowmcparams = { 0 };
signature_t signature;
signature_t signature2;
uint32_t* privateKey = NULL;
uint32_t* pubInput = NULL;
if (picnicParamsToLowMCParams(params, &lowmcparams) != EXIT_SUCCESS) {
return -1;
}
uint32_t* publicKey = (uint32_t*)malloc(lowmcparams.stateSizeWords * sizeof(uint32_t));
uint8_t message[MESSAGE_LEN];
memset(&message, 0, sizeof(message));
if (readLookupTables(&lowmcparams) != 0) {
fprintf(stdout, "Initialization failed (reading look-up tables).\n");
ret = -1;
goto Exit;
}
/* Generate key pair */
privateKey = calloc(lowmcparams.stateSizeWords, sizeof(uint32_t));
pubInput = calloc(lowmcparams.stateSizeWords, sizeof(uint32_t));
LowMCEnc(pubInput, publicKey, privateKey, &lowmcparams);
/* Create a signature to serialize */
allocateSignature(&signature, &lowmcparams);
allocateSignature(&signature2, &lowmcparams);
sign(privateKey, publicKey, pubInput, message, sizeof(message), &signature, transform, &lowmcparams);
uint8_t sigBytes[PICNIC_MAX_SIGNATURE_SIZE];
memset(sigBytes, 0, sizeof(sigBytes));
ret = serializeSignature(&signature, sigBytes, sizeof(sigBytes), transform, &lowmcparams);
if (ret == -1) {
fprintf(stderr, "Failed to serialize signature\n");
ret = -1;
goto Exit;
}
ret = deserializeSignature(&signature2, sigBytes, sizeof(sigBytes), transform, &lowmcparams);
if (ret != EXIT_SUCCESS) {
fprintf(stderr, "Failed to deserialize signature\n");
ret = -1;
goto Exit;
}
uint8_t sigBytes2[sizeof(sigBytes)];
memset(sigBytes2, 0, sizeof(sigBytes2));
ret = serializeSignature(&signature2, sigBytes2, sizeof(sigBytes2), transform, &lowmcparams);
if (ret == -1) {
fprintf(stderr, "Failed to serialize signature 2\n");
ret = -1;
goto Exit;
}
if (memcmp(sigBytes, sigBytes2, sizeof(sigBytes2)) != 0) {
fprintf(stderr, "Serialization roundtrip failed\n");
ret = -1;
goto Exit;
}
ret = verify(&signature2, publicKey, pubInput, message, sizeof(message), transform, &lowmcparams);
if (ret != EXIT_SUCCESS) {
fprintf(stderr, "Failed to verify deserialized signature\n");
ret = -1;
goto Exit;
}
ret = 0; /* Success */
Exit:
freeSignature(&signature);
freeSignature(&signature2);
free(publicKey);
free(privateKey);
free(pubInput);
freeLookupTables();
return ret;
}
void runBenchmarks(picnic_params_t params, transform_t transform)
{
printf("\nBenchmarking Picnic with %s\n", picnic_get_param_name(params));
if (serializationTest(transform, params) != 0) {
printf("Failed serialization test\n");
exit(-1);
}
/* Benchmark Picnic by calling the sign/verify functions directly (as
* opposed to using the public API) */
benchmarkPicnicDirect("LowMC", transform, params);
/* Benchmark functions in the public API */
benchmarkPicnicAPI("LowMC", transform, params);
}
int main(int argc, char** argv)
{
transform_t transform = TRANSFORM_FS;
parseOptions(argc, argv, &transform);
printf("Running benchmarks\n");
// benchmark the given transform with each of the 3 supported LowMC parameter sets
picnic_params_t params;
params = (transform == TRANSFORM_UR) ? LowMC_256_256_42_14_UR : LowMC_256_256_42_14_FS;
runBenchmarks(params, transform);
params = (transform == TRANSFORM_UR) ? LowMC_256_256_1_316_UR : LowMC_256_256_1_316_FS;
runBenchmarks(params, transform);
params = (transform == TRANSFORM_UR) ? LowMC_256_256_10_38_UR : LowMC_256_256_10_38_FS;
runBenchmarks(params, transform);
}