| 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_ALGO_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_ALGO_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 | QCryptoHashAlgo_str(QCRYPTO_HASH_ALGO_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 | } |