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 
18 static void test_cipher_speed(size_t chunk_size,
19                               QCryptoCipherMode mode,
20                               QCryptoCipherAlgorithm alg)
21 {
22     QCryptoCipher *cipher;
23     Error *err = NULL;
24     uint8_t *key = NULL, *iv = NULL;
25     uint8_t *plaintext = NULL, *ciphertext = NULL;
26     size_t nkey;
27     size_t niv;
28     const size_t total = 2 * GiB;
29     size_t remain;
30 
31     if (!qcrypto_cipher_supports(alg, mode)) {
32         return;
33     }
34 
35     nkey = qcrypto_cipher_get_key_len(alg);
36     niv = qcrypto_cipher_get_iv_len(alg, mode);
37     if (mode == QCRYPTO_CIPHER_MODE_XTS) {
38         nkey *= 2;
39     }
40 
41     key = g_new0(uint8_t, nkey);
42     memset(key, g_test_rand_int(), nkey);
43 
44     iv = g_new0(uint8_t, niv);
45     memset(iv, g_test_rand_int(), niv);
46 
47     ciphertext = g_new0(uint8_t, chunk_size);
48 
49     plaintext = g_new0(uint8_t, chunk_size);
50     memset(plaintext, g_test_rand_int(), chunk_size);
51 
52     cipher = qcrypto_cipher_new(alg, mode,
53                                 key, nkey, &err);
54     g_assert(cipher != NULL);
55 
56     if (mode != QCRYPTO_CIPHER_MODE_ECB)
57         g_assert(qcrypto_cipher_setiv(cipher,
58                                       iv, niv,
59                                       &err) == 0);
60 
61     g_test_timer_start();
62     remain = total;
63     while (remain) {
64         g_assert(qcrypto_cipher_encrypt(cipher,
65                                         plaintext,
66                                         ciphertext,
67                                         chunk_size,
68                                         &err) == 0);
69         remain -= chunk_size;
70     }
71     g_test_timer_elapsed();
72 
73     g_test_message("enc(%s-%s) chunk %zu bytes %.2f MB/sec ",
74                    QCryptoCipherAlgorithm_str(alg),
75                    QCryptoCipherMode_str(mode),
76                    chunk_size, (double)total / MiB / g_test_timer_last());
77 
78     g_test_timer_start();
79     remain = total;
80     while (remain) {
81         g_assert(qcrypto_cipher_decrypt(cipher,
82                                         plaintext,
83                                         ciphertext,
84                                         chunk_size,
85                                         &err) == 0);
86         remain -= chunk_size;
87     }
88     g_test_timer_elapsed();
89 
90     g_test_message("dec(%s-%s) chunk %zu bytes %.2f MB/sec ",
91                    QCryptoCipherAlgorithm_str(alg),
92                    QCryptoCipherMode_str(mode),
93                    chunk_size, (double)total / MiB / g_test_timer_last());
94 
95     qcrypto_cipher_free(cipher);
96     g_free(plaintext);
97     g_free(ciphertext);
98     g_free(iv);
99     g_free(key);
100 }
101 
102 
103 static void test_cipher_speed_ecb_aes_128(const void *opaque)
104 {
105     size_t chunk_size = (size_t)opaque;
106     test_cipher_speed(chunk_size,
107                       QCRYPTO_CIPHER_MODE_ECB,
108                       QCRYPTO_CIPHER_ALG_AES_128);
109 }
110 
111 static void test_cipher_speed_ecb_aes_256(const void *opaque)
112 {
113     size_t chunk_size = (size_t)opaque;
114     test_cipher_speed(chunk_size,
115                       QCRYPTO_CIPHER_MODE_ECB,
116                       QCRYPTO_CIPHER_ALG_AES_256);
117 }
118 
119 static void test_cipher_speed_cbc_aes_128(const void *opaque)
120 {
121     size_t chunk_size = (size_t)opaque;
122     test_cipher_speed(chunk_size,
123                       QCRYPTO_CIPHER_MODE_CBC,
124                       QCRYPTO_CIPHER_ALG_AES_128);
125 }
126 
127 static void test_cipher_speed_cbc_aes_256(const void *opaque)
128 {
129     size_t chunk_size = (size_t)opaque;
130     test_cipher_speed(chunk_size,
131                       QCRYPTO_CIPHER_MODE_CBC,
132                       QCRYPTO_CIPHER_ALG_AES_256);
133 }
134 
135 static void test_cipher_speed_ctr_aes_128(const void *opaque)
136 {
137     size_t chunk_size = (size_t)opaque;
138     test_cipher_speed(chunk_size,
139                       QCRYPTO_CIPHER_MODE_CTR,
140                       QCRYPTO_CIPHER_ALG_AES_128);
141 }
142 
143 static void test_cipher_speed_ctr_aes_256(const void *opaque)
144 {
145     size_t chunk_size = (size_t)opaque;
146     test_cipher_speed(chunk_size,
147                       QCRYPTO_CIPHER_MODE_CTR,
148                       QCRYPTO_CIPHER_ALG_AES_256);
149 }
150 
151 static void test_cipher_speed_xts_aes_128(const void *opaque)
152 {
153     size_t chunk_size = (size_t)opaque;
154     test_cipher_speed(chunk_size,
155                       QCRYPTO_CIPHER_MODE_XTS,
156                       QCRYPTO_CIPHER_ALG_AES_128);
157 }
158 
159 static void test_cipher_speed_xts_aes_256(const void *opaque)
160 {
161     size_t chunk_size = (size_t)opaque;
162     test_cipher_speed(chunk_size,
163                       QCRYPTO_CIPHER_MODE_XTS,
164                       QCRYPTO_CIPHER_ALG_AES_256);
165 }
166 
167 
168 int main(int argc, char **argv)
169 {
170     char *alg = NULL;
171     char *size = NULL;
172     g_test_init(&argc, &argv, NULL);
173     g_assert(qcrypto_init(NULL) == 0);
174 
175 #define ADD_TEST(mode, cipher, keysize, chunk)                          \
176     if ((!alg || g_str_equal(alg, #mode)) &&                            \
177         (!size || g_str_equal(size, #chunk)))                           \
178         g_test_add_data_func(                                           \
179         "/crypto/cipher/" #mode "-" #cipher "-" #keysize "/chunk-" #chunk, \
180         (void *)chunk,                                                  \
181         test_cipher_speed_ ## mode ## _ ## cipher ## _ ## keysize)
182 
183     if (argc >= 2) {
184         alg = argv[1];
185     }
186     if (argc >= 3) {
187         size = argv[2];
188     }
189 
190 #define ADD_TESTS(chunk)                        \
191     do {                                        \
192         ADD_TEST(ecb, aes, 128, chunk);         \
193         ADD_TEST(ecb, aes, 256, chunk);         \
194         ADD_TEST(cbc, aes, 128, chunk);         \
195         ADD_TEST(cbc, aes, 256, chunk);         \
196         ADD_TEST(ctr, aes, 128, chunk);         \
197         ADD_TEST(ctr, aes, 256, chunk);         \
198         ADD_TEST(xts, aes, 128, chunk);         \
199         ADD_TEST(xts, aes, 256, chunk);         \
200     } while (0)
201 
202     ADD_TESTS(512);
203     ADD_TESTS(4096);
204     ADD_TESTS(16384);
205     ADD_TESTS(65536);
206 
207     return g_test_run();
208 }
209