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 "crypto/init.h"
  15 #include "crypto/hmac.h"
  16
  17 #define KEY "monkey monkey monkey monkey"
  18
  19 static void test_hmac_speed(const void *opaque)
  20 {
  21     size_t chunk_size = (size_t)opaque;
  22     QCryptoHmac *hmac = NULL;
  23     uint8_t *in = NULL, *out = NULL;
  24     size_t out_len = 0;
  25     double total = 0.0;
  26     struct iovec iov;
  27     Error *err = NULL;
  28     int ret;
  29
  30     if (!qcrypto_hmac_supports(QCRYPTO_HASH_ALG_SHA256)) {
  31         return;
  32     }
  33
  34     in = g_new0(uint8_t, chunk_size);
  35     memset(in, g_test_rand_int(), chunk_size);
  36
  37     iov.iov_base = (char *)in;
  38     iov.iov_len = chunk_size;
  39
  40     g_test_timer_start();
  41     do {
  42         hmac = qcrypto_hmac_new(QCRYPTO_HASH_ALG_SHA256,
  43                                 (const uint8_t *)KEY, strlen(KEY), &err);
  44         g_assert(err == NULL);
  45         g_assert(hmac != NULL);
  46
  47         ret = qcrypto_hmac_bytesv(hmac, &iov, 1, &out, &out_len, &err);
  48         g_assert(ret == 0);
  49         g_assert(err == NULL);
  50
  51         qcrypto_hmac_free(hmac);
  52
  53         total += chunk_size;
  54     } while (g_test_timer_elapsed() < 5.0);
  55
  56     total /= 1024 * 1024; /* to MB */
  57
  58     g_print("hmac(sha256): ");
  59     g_print("Testing chunk_size %zu bytes ", chunk_size);
  60     g_print("done: %.2f MB in %.2f secs: ", total, g_test_timer_last());
  61     g_print("%.2f MB/sec\n", total / g_test_timer_last());
  62
  63     g_free(out);
  64     g_free(in);
  65 }
  66
  67 int main(int argc, char **argv)
  68 {
  69     size_t i;
  70     char name[64];
  71
  72     g_test_init(&argc, &argv, NULL);
  73     g_assert(qcrypto_init(NULL) == 0);
  74
  75     for (i = 512; i <= (64 * 1204); i *= 2) {
  76         memset(name, 0 , sizeof(name));
  77         snprintf(name, sizeof(name), "/crypto/hmac/speed-%zu", i);
  78         g_test_add_data_func(name, (void *)i, test_hmac_speed);
  79     }
  80
  81     return g_test_run();
  82 }