tests/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
  20 static 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
  66 int 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 }