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 "qemu/units.h"
15 #include "crypto/init.h"
16 #include "crypto/cipher.h"
17 
test_cipher_speed(const void * opaque)18 static void test_cipher_speed(const void *opaque)
19 {
20     QCryptoCipher *cipher;
21     Error *err = NULL;
22     double total = 0.0;
23     size_t chunk_size = (size_t)opaque;
24     uint8_t *key = NULL, *iv = NULL;
25     uint8_t *plaintext = NULL, *ciphertext = NULL;
26     size_t nkey = qcrypto_cipher_get_key_len(QCRYPTO_CIPHER_ALG_AES_128);
27     size_t niv = qcrypto_cipher_get_iv_len(QCRYPTO_CIPHER_ALG_AES_128,
28                                            QCRYPTO_CIPHER_MODE_CBC);
29 
30     key = g_new0(uint8_t, nkey);
31     memset(key, g_test_rand_int(), nkey);
32 
33     iv = g_new0(uint8_t, niv);
34     memset(iv, g_test_rand_int(), niv);
35 
36     ciphertext = g_new0(uint8_t, chunk_size);
37 
38     plaintext = g_new0(uint8_t, chunk_size);
39     memset(plaintext, g_test_rand_int(), chunk_size);
40 
41     cipher = qcrypto_cipher_new(QCRYPTO_CIPHER_ALG_AES_128,
42                                 QCRYPTO_CIPHER_MODE_CBC,
43                                 key, nkey, &err);
44     g_assert(cipher != NULL);
45 
46     g_assert(qcrypto_cipher_setiv(cipher,
47                                   iv, niv,
48                                   &err) == 0);
49 
50     g_test_timer_start();
51     do {
52         g_assert(qcrypto_cipher_encrypt(cipher,
53                                         plaintext,
54                                         ciphertext,
55                                         chunk_size,
56                                         &err) == 0);
57         total += chunk_size;
58     } while (g_test_timer_elapsed() < 5.0);
59 
60     total /= MiB;
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 
main(int argc,char ** argv)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 * KiB; 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 }
89