mirror of https://gitee.com/openkylin/qemu.git
82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
/*
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* QEMU Crypto hmac speed benchmark
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*
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* Copyright (c) 2017 HUAWEI TECHNOLOGIES CO., LTD.
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*
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* Authors:
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* Longpeng(Mike) <longpeng2@huawei.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* (at your option) any later version. See the COPYING file in the
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* top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "qemu/units.h"
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#include "crypto/init.h"
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#include "crypto/hmac.h"
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#define KEY "monkey monkey monkey monkey"
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static void test_hmac_speed(const void *opaque)
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{
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size_t chunk_size = (size_t)opaque;
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QCryptoHmac *hmac = NULL;
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uint8_t *in = NULL, *out = NULL;
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size_t out_len = 0;
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double total = 0.0;
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struct iovec iov;
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Error *err = NULL;
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int ret;
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if (!qcrypto_hmac_supports(QCRYPTO_HASH_ALG_SHA256)) {
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return;
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}
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in = g_new0(uint8_t, chunk_size);
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memset(in, g_test_rand_int(), chunk_size);
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iov.iov_base = (char *)in;
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iov.iov_len = chunk_size;
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g_test_timer_start();
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do {
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hmac = qcrypto_hmac_new(QCRYPTO_HASH_ALG_SHA256,
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(const uint8_t *)KEY, strlen(KEY), &err);
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g_assert(err == NULL);
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g_assert(hmac != NULL);
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ret = qcrypto_hmac_bytesv(hmac, &iov, 1, &out, &out_len, &err);
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g_assert(ret == 0);
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g_assert(err == NULL);
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qcrypto_hmac_free(hmac);
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total += chunk_size;
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} while (g_test_timer_elapsed() < 5.0);
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total /= MiB;
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g_test_message("hmac(%s): chunk %zu bytes %.2f MB/sec",
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QCryptoHashAlgorithm_str(QCRYPTO_HASH_ALG_SHA256),
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chunk_size, total / g_test_timer_last());
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g_free(out);
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g_free(in);
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}
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int main(int argc, char **argv)
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{
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size_t i;
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char name[64];
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g_test_init(&argc, &argv, NULL);
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g_assert(qcrypto_init(NULL) == 0);
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for (i = 512; i <= 64 * KiB; i *= 2) {
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memset(name, 0 , sizeof(name));
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snprintf(name, sizeof(name), "/crypto/hmac/speed-%zu", i);
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g_test_add_data_func(name, (void *)i, test_hmac_speed);
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}
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return g_test_run();
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}
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