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 } 82