tests/benchmark-crypto-cipher.c

   1 /*
   2  * QEMU Crypto cipher 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/cipher.h"
  16
  17 static void test_cipher_speed(const void *opaque)
  18 {
  19     QCryptoCipher *cipher;
  20     Error *err = NULL;
  21     double total = 0.0;
  22     size_t chunk_size = (size_t)opaque;
  23     uint8_t *key = NULL, *iv = NULL;
  24     uint8_t *plaintext = NULL, *ciphertext = NULL;
  25     size_t nkey = qcrypto_cipher_get_key_len(QCRYPTO_CIPHER_ALG_AES_128);
  26     size_t niv = qcrypto_cipher_get_iv_len(QCRYPTO_CIPHER_ALG_AES_128,
  27                                            QCRYPTO_CIPHER_MODE_CBC);
  28
  29     key = g_new0(uint8_t, nkey);
  30     memset(key, g_test_rand_int(), nkey);
  31
  32     iv = g_new0(uint8_t, niv);
  33     memset(iv, g_test_rand_int(), niv);
  34
  35     ciphertext = g_new0(uint8_t, chunk_size);
  36
  37     plaintext = g_new0(uint8_t, chunk_size);
  38     memset(plaintext, g_test_rand_int(), chunk_size);
  39
  40     cipher = qcrypto_cipher_new(QCRYPTO_CIPHER_ALG_AES_128,
  41                                 QCRYPTO_CIPHER_MODE_CBC,
  42                                 key, nkey, &err);
  43     g_assert(cipher != NULL);
  44
  45     g_assert(qcrypto_cipher_setiv(cipher,
  46                                   iv, niv,
  47                                   &err) == 0);
  48
  49     g_test_timer_start();
  50     do {
  51         g_assert(qcrypto_cipher_encrypt(cipher,
  52                                         plaintext,
  53                                         ciphertext,
  54                                         chunk_size,
  55                                         &err) == 0);
  56         total += chunk_size;
  57     } while (g_test_timer_elapsed() < 5.0);
  58
  59     total /= 1024 * 1024; /* to MB */
  60
  61     g_print("cbc(aes128): ");
  62     g_print("Testing chunk_size %zu bytes ", chunk_size);
  63     g_print("done: %.2f MB in %.2f secs: ", total, g_test_timer_last());
  64     g_print("%.2f MB/sec\n", total / g_test_timer_last());
  65
  66     qcrypto_cipher_free(cipher);
  67     g_free(plaintext);
  68     g_free(ciphertext);
  69     g_free(iv);
  70     g_free(key);
  71 }
  72
  73 int main(int argc, char **argv)
  74 {
  75     size_t i;
  76     char name[64];
  77
  78     g_test_init(&argc, &argv, NULL);
  79     g_assert(qcrypto_init(NULL) == 0);
  80
  81     for (i = 512; i <= (64 * 1204); i *= 2) {
  82         memset(name, 0 , sizeof(name));
  83         snprintf(name, sizeof(name), "/crypto/cipher/speed-%zu", i);
  84         g_test_add_data_func(name, (void *)i, test_cipher_speed);
  85     }
  86
  87     return g_test_run();
  88 }