mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
589a1f216f
Results with this revision: SHA256 rate 2.599MB/sec Debug 240MHz SW SHA256 rate 1.147MB/sec Release 80MHz SW SHA256 rate 3.469MB/sec Release 240MHz SW SHA256 rate 2.687MB/sec Release 240MHz SW + PSRAM workaround SHA256 rate 9.433MB/sec Debug 240MHz HW rev1 SHA256 rate 3.727MB/sec Release 80MHz HW rev1 SHA256 rate 10.961MB/sec Release 240MHz HW rev1 SHA256 rate 9.966MB/sec Release 240MHz HW rev1 + PRAM workaround SHA256 rate 10.974MB/sec Debug 240MHz HW rev3 SHA256 rate 4.362MB/sec Release 80MHz HW rev3 SHA256 rate 13.207MB/sec Release 240MHz HW rev3 Debug = Og, assertions enabled Release = O2, assertions disabled
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/* mbedTLS SHA performance test
|
|
*/
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdbool.h>
|
|
#include "mbedtls/sha256.h"
|
|
#include "unity.h"
|
|
#include "sdkconfig.h"
|
|
#include "esp_timer.h"
|
|
#include "esp_heap_caps.h"
|
|
#include "test_utils.h"
|
|
#include "sodium/utils.h"
|
|
|
|
TEST_CASE_ESP32("mbedtls SHA performance", "[aes]")
|
|
{
|
|
const unsigned CALLS = 256;
|
|
const unsigned CALL_SZ = 16*1024;
|
|
mbedtls_sha256_context sha256_ctx;
|
|
int64_t start, end;
|
|
unsigned char sha256[32];
|
|
|
|
// allocate internal memory
|
|
uint8_t *buf = heap_caps_malloc(CALL_SZ, MALLOC_CAP_8BIT|MALLOC_CAP_INTERNAL);
|
|
TEST_ASSERT_NOT_NULL(buf);
|
|
memset(buf, 0x55, CALL_SZ);
|
|
|
|
mbedtls_sha256_init(&sha256_ctx);
|
|
start = esp_timer_get_time();
|
|
TEST_ASSERT_EQUAL(0, mbedtls_sha256_starts_ret(&sha256_ctx, false));
|
|
for (int c = 0; c < CALLS; c++) {
|
|
TEST_ASSERT_EQUAL(0, mbedtls_sha256_update_ret(&sha256_ctx, buf, CALL_SZ));
|
|
}
|
|
TEST_ASSERT_EQUAL(0, mbedtls_sha256_finish_ret(&sha256_ctx, sha256));
|
|
end = esp_timer_get_time();
|
|
|
|
free(buf);
|
|
mbedtls_sha256_free(&sha256_ctx);
|
|
|
|
/* Check the result. Reference value can be calculated using:
|
|
* dd if=/dev/zero bs=$((16*1024)) count=256 | tr '\000' '\125' | sha256sum
|
|
*/
|
|
const char* expected_hash = "c88df2638fb9699abaad05780fa5e0fdb6058f477069040eac8bed3231286275";
|
|
char hash_str[sizeof(sha256) * 2 + 1];
|
|
sodium_bin2hex(hash_str, sizeof(hash_str), sha256, sizeof(sha256));
|
|
|
|
TEST_ASSERT_EQUAL_STRING(expected_hash, hash_str);
|
|
|
|
float usecs = end - start;
|
|
// bytes/usec = MB/sec
|
|
float mb_sec = (CALL_SZ * CALLS) / usecs;
|
|
printf("SHA256 rate %.3fMB/sec\n", mb_sec);
|
|
#ifdef CONFIG_MBEDTLS_HARDWARE
|
|
// Don't put a hard limit on software SHA performance
|
|
TEST_PERFORMANCE_GREATER_THAN(SHA256_THROUGHPUT_MBSEC, "%.3fMB/sec", mb_sec);
|
|
#endif
|
|
}
|
|
|
|
|