esp-idf/components/esp32c3/test/test_sha.c
Angus Gratton 544c5e57ce esp32c3: Add tests for esp_sha, stack checker
From internal commit 6d894813
2020-12-24 14:18:01 +11:00

81 lines
2.6 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "esp_types.h"
#include "esp32c3/clk.h"
#include "esp_log.h"
#include "esp_timer.h"
#include "esp_heap_caps.h"
#include "idf_performance.h"
#include "unity.h"
#include "test_utils.h"
#include "mbedtls/sha1.h"
#include "mbedtls/sha256.h"
#include "sha/sha_dma.h"
/* Note: Most of the SHA functions are called as part of mbedTLS, so
are tested as part of mbedTLS tests. Only esp_sha() is different.
*/
#define TAG "sha_test"
TEST_CASE("Test esp_sha()", "[hw_crypto]")
{
const size_t BUFFER_SZ = 32 * 1024 + 6; // NB: not an exact multiple of SHA block size
int64_t begin, end;
uint32_t us_sha1;
uint8_t sha1_result[20] = { 0 };
void *buffer = heap_caps_malloc(BUFFER_SZ, MALLOC_CAP_8BIT|MALLOC_CAP_INTERNAL);
TEST_ASSERT_NOT_NULL(buffer);
memset(buffer, 0xEE, BUFFER_SZ);
const uint8_t sha1_expected[20] = { 0xc7, 0xbb, 0xd3, 0x74, 0xf2, 0xf6, 0x20, 0x86,
0x61, 0xf4, 0x50, 0xd5, 0xf5, 0x18, 0x44, 0xcc,
0x7a, 0xb7, 0xa5, 0x4a };
begin = esp_timer_get_time();
esp_sha(SHA1, buffer, BUFFER_SZ, sha1_result);
end = esp_timer_get_time();
TEST_ASSERT_EQUAL_HEX8_ARRAY(sha1_expected, sha1_result, sizeof(sha1_expected));
us_sha1 = end - begin;
ESP_LOGI(TAG, "esp_sha() 32KB SHA1 in %u us", us_sha1);
free(buffer);
TEST_PERFORMANCE_CCOMP_LESS_THAN(TIME_SHA1_32KB, "%dus", us_sha1);
}
TEST_CASE("Test esp_sha() function with long input", "[hw_crypto]")
{
const void* ptr;
spi_flash_mmap_handle_t handle;
uint8_t sha1_espsha[20] = { 0 };
uint8_t sha1_mbedtls[20] = { 0 };
uint8_t sha256_espsha[32] = { 0 };
uint8_t sha256_mbedtls[32] = { 0 };
const size_t LEN = 1024 * 1024;
/* mmap() 1MB of flash, we don't care what it is really */
esp_err_t err = spi_flash_mmap(0x0, LEN, SPI_FLASH_MMAP_DATA, &ptr, &handle);
TEST_ASSERT_EQUAL_HEX32(ESP_OK, err);
TEST_ASSERT_NOT_NULL(ptr);
/* Compare esp_sha() result to the mbedTLS result, should always be the same */
esp_sha(SHA1, ptr, LEN, sha1_espsha);
int r = mbedtls_sha1_ret(ptr, LEN, sha1_mbedtls);
TEST_ASSERT_EQUAL(0, r);
esp_sha(SHA2_256, ptr, LEN, sha256_espsha);
r = mbedtls_sha256_ret(ptr, LEN, sha256_mbedtls, 0);
TEST_ASSERT_EQUAL(0, r);
TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha1_espsha, sha1_mbedtls, sizeof(sha1_espsha), "SHA1 results should match");
TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha256_espsha, sha256_mbedtls, sizeof(sha256_espsha), "SHA256 results should match");
}