qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
Log | Files | Refs | Submodules | LICENSE

benchmark-crypto-hmac.c (2067B)

      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 }