LXR qemu/tests/bench/benchmark-crypto-hmac.c

   1/*
   2 * QEMU Crypto hmac speed benchmark
   3 *
   4 * Copyright (c) 2017 HUAWEI TECHNOLOGIES CO., LTD.
   5 *
   6 * Authors:
   7 *    Longpeng(Mike) <longpeng2@huawei.com>
   8 *
   9 * This work is licensed under the terms of the GNU GPL, version 2 or
  10 * (at your option) any later version.  See the COPYING file in the
  11 * top-level directory.
  12 */
  13#include "qemu/osdep.h"
  14#include "qemu/units.h"
  15#include "crypto/init.h"
  16#include "crypto/hmac.h"
  17
  18#define KEY "monkey monkey monkey monkey"
  19
  20static void test_hmac_speed(const void *opaque)
  21{
  22    size_t chunk_size = (size_t)opaque;
  23    QCryptoHmac *hmac = NULL;
  24    uint8_t *in = NULL, *out = NULL;
  25    size_t out_len = 0;
  26    double total = 0.0;
  27    struct iovec iov;
  28    Error *err = NULL;
  29    int ret;
  30
  31    if (!qcrypto_hmac_supports(QCRYPTO_HASH_ALG_SHA256)) {
  32        return;
  33    }
  34
  35    in = g_new0(uint8_t, chunk_size);
  36    memset(in, g_test_rand_int(), chunk_size);
  37
  38    iov.iov_base = (char *)in;
  39    iov.iov_len = chunk_size;
  40
  41    g_test_timer_start();
  42    do {
  43        hmac = qcrypto_hmac_new(QCRYPTO_HASH_ALG_SHA256,
  44                                (const uint8_t *)KEY, strlen(KEY), &err);
  45        g_assert(err == NULL);
  46        g_assert(hmac != NULL);
  47
  48        ret = qcrypto_hmac_bytesv(hmac, &iov, 1, &out, &out_len, &err);
  49        g_assert(ret == 0);
  50        g_assert(err == NULL);
  51
  52        qcrypto_hmac_free(hmac);
  53
  54        total += chunk_size;
  55    } while (g_test_timer_elapsed() < 5.0);
  56
  57    total /= MiB;
  58    g_test_message("hmac(%s): chunk %zu bytes %.2f MB/sec",
  59                   QCryptoHashAlgorithm_str(QCRYPTO_HASH_ALG_SHA256),
  60                   chunk_size, total / g_test_timer_last());
  61
  62    g_free(out);
  63    g_free(in);
  64}
  65
  66int main(int argc, char **argv)
  67{
  68    size_t i;
  69    char name[64];
  70
  71    g_test_init(&argc, &argv, NULL);
  72    g_assert(qcrypto_init(NULL) == 0);
  73
  74    for (i = 512; i <= 64 * KiB; i *= 2) {
  75        memset(name, 0 , sizeof(name));
  76        snprintf(name, sizeof(name), "/crypto/hmac/speed-%zu", i);
  77        g_test_add_data_func(name, (void *)i, test_hmac_speed);
  78    }
  79
  80    return g_test_run();
  81}
  82