68dbb6d05d
It eases code review, unit is explicit. Patch generated using: $ git grep -n '[<>][<>]= ?[1-5]0' and modified manually. Suggested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180625124238.25339-45-f4bug@amsat.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/*
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* QEMU Crypto cipher 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/cipher.h"
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static void test_cipher_speed(const void *opaque)
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{
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QCryptoCipher *cipher;
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Error *err = NULL;
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double total = 0.0;
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size_t chunk_size = (size_t)opaque;
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uint8_t *key = NULL, *iv = NULL;
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uint8_t *plaintext = NULL, *ciphertext = NULL;
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size_t nkey = qcrypto_cipher_get_key_len(QCRYPTO_CIPHER_ALG_AES_128);
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size_t niv = qcrypto_cipher_get_iv_len(QCRYPTO_CIPHER_ALG_AES_128,
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QCRYPTO_CIPHER_MODE_CBC);
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key = g_new0(uint8_t, nkey);
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memset(key, g_test_rand_int(), nkey);
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iv = g_new0(uint8_t, niv);
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memset(iv, g_test_rand_int(), niv);
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ciphertext = g_new0(uint8_t, chunk_size);
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plaintext = g_new0(uint8_t, chunk_size);
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memset(plaintext, g_test_rand_int(), chunk_size);
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cipher = qcrypto_cipher_new(QCRYPTO_CIPHER_ALG_AES_128,
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QCRYPTO_CIPHER_MODE_CBC,
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key, nkey, &err);
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g_assert(cipher != NULL);
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g_assert(qcrypto_cipher_setiv(cipher,
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iv, niv,
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&err) == 0);
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g_test_timer_start();
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do {
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g_assert(qcrypto_cipher_encrypt(cipher,
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plaintext,
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ciphertext,
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chunk_size,
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&err) == 0);
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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_print("cbc(aes128): ");
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g_print("Testing chunk_size %zu bytes ", chunk_size);
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g_print("done: %.2f MB in %.2f secs: ", total, g_test_timer_last());
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g_print("%.2f MB/sec\n", total / g_test_timer_last());
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qcrypto_cipher_free(cipher);
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g_free(plaintext);
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g_free(ciphertext);
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g_free(iv);
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g_free(key);
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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/cipher/speed-%zu", i);
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g_test_add_data_func(name, (void *)i, test_cipher_speed);
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}
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return g_test_run();
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}
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