cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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benchmark-crypto-hmac.c (2067B)

      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
     20static 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
     66int 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}