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esp-idf/components/esp32/test/test_aes_sha_rsa.c

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aes/sha/mpi: Bugfix a use of shared registers. This commit resolves a blocking in esp_aes_block function. Introduce: The problem was in the fact that AES is switched off at the moment when he should give out the processed data. But because of the disabled, the operation can not be completed successfully, there is an infinite hang. The reason for this behavior is that the registers for controlling the inclusion of AES, SHA, MPI have shared registers and they were not protected from sharing. Fix some related issue with shared using of AES SHA RSA accelerators. Closes: https://github.com/espressif/esp-idf/issues/2295#issuecomment-432898137
2018-10-29 23:55:02 +08:00
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "esp_types.h"
#include "esp_clk.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "freertos/xtensa_timer.h"
#include "soc/cpu.h"
#include "unity.h"
#include "rom/uart.h"
#include "rom/sha.h"
#include "soc/uart_reg.h"
#include "soc/dport_reg.h"
#include "soc/rtc.h"
#include "esp_log.h"
#include "mbedtls/sha256.h"
#include "hwcrypto/sha.h"
#include "hwcrypto/aes.h"
#include "mbedtls/rsa.h"
static const char *TAG = "test";
static volatile bool exit_flag = false;
#define TASK_STACK_SIZE (8*1024)
static void aes_task(void *pvParameters)
{
xSemaphoreHandle *sema = (xSemaphoreHandle *) pvParameters;
ESP_LOGI(TAG, "aes_task is started");
esp_aes_context ctx = {
.key_bytes = 16,
.key = {101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116}
};
const unsigned char input[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
unsigned char output[16];
unsigned char output2[16];
while (exit_flag == false) {
memset(output, 0, sizeof(output));
memset(output, 0, sizeof(output2));
esp_internal_aes_encrypt(&ctx, input, output);
esp_internal_aes_decrypt(&ctx, output, output2);
TEST_ASSERT_EQUAL_MEMORY_MESSAGE(input, output2, sizeof(input), "AES must match");
}
xSemaphoreGive(*sema);
vTaskDelete(NULL);
}
static void sha_task(void *pvParameters)
{
xSemaphoreHandle *sema = (xSemaphoreHandle *) pvParameters;
ESP_LOGI(TAG, "sha_task is started");
const char *input = "Space!#$%&()*+,-.0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_abcdefghijklmnopqrstuvwxyz~DEL0123456789";
unsigned char output[64];
unsigned char output_origin[64];
esp_sha(SHA2_512, (const unsigned char *)input, sizeof(input), output);
memcpy(output_origin, output, sizeof(output));
while (exit_flag == false) {
memset(output, 0, sizeof(output));
esp_sha(SHA2_512, (const unsigned char *)input, sizeof(input), output);
TEST_ASSERT_EQUAL_MEMORY_MESSAGE(output, output_origin, sizeof(output), "SHA256 must match");
}
xSemaphoreGive(*sema);
vTaskDelete(NULL);
}
static void mbedtls_sha256_task(void *pvParameters)
{
xSemaphoreHandle *sema = (xSemaphoreHandle *) pvParameters;
ESP_LOGI(TAG, "mbedtls_sha256_task is started");
const char *input = "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_abcdefghijklmnopqrstuvwxyz~DEL0123456789Space!#$%&()*+,-.0123456789:;<=>?";
mbedtls_sha256_context sha256_ctx;
unsigned char output[32];
unsigned char output_origin[32];
mbedtls_sha256_init(&sha256_ctx);
memset(output, 0, sizeof(output));
mbedtls_sha256_starts_ret(&sha256_ctx, false);
for (int i = 0; i < 3; ++i) {
mbedtls_sha256_update_ret(&sha256_ctx, (unsigned char *)input, 100);
}
mbedtls_sha256_finish_ret(&sha256_ctx, output);
memcpy(output_origin, output, sizeof(output));
while (exit_flag == false) {
mbedtls_sha256_init(&sha256_ctx);
memset(output, 0, sizeof(output));
mbedtls_sha256_starts_ret(&sha256_ctx, false);
for (int i = 0; i < 3; ++i) {
mbedtls_sha256_update_ret(&sha256_ctx, (unsigned char *)input, 100);
}
mbedtls_sha256_finish_ret(&sha256_ctx, output);
TEST_ASSERT_EQUAL_MEMORY_MESSAGE(output, output_origin, sizeof(output), "MBEDTLS SHA256 must match");
}
xSemaphoreGive(*sema);
vTaskDelete(NULL);
}
TEST_CASE("Test shared using AES SHA512 SHA256", "[hw_crypto]")
{
#ifndef CONFIG_FREERTOS_UNICORE
const int max_tasks = 6;
#else
const int max_tasks = 3;
#endif
xSemaphoreHandle exit_sema[max_tasks];
for (int i = 0; i < max_tasks; ++i) {
exit_sema[i] = xSemaphoreCreateBinary();
}
exit_flag = false;
#ifndef CONFIG_FREERTOS_UNICORE
xTaskCreatePinnedToCore(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL, 1);
xTaskCreatePinnedToCore(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
xTaskCreatePinnedToCore(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[2], UNITY_FREERTOS_PRIORITY - 1, NULL, 1);
xTaskCreatePinnedToCore(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[3], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
xTaskCreatePinnedToCore(&mbedtls_sha256_task, "mbedtls_sha256_task", TASK_STACK_SIZE, &exit_sema[4], UNITY_FREERTOS_PRIORITY - 1, NULL, 1);
xTaskCreatePinnedToCore(&mbedtls_sha256_task, "mbedtls_sha256_task", TASK_STACK_SIZE, &exit_sema[5], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
#else
xTaskCreate(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL);
xTaskCreate(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL);
xTaskCreate(&mbedtls_sha256_task, "mbedtls_sha256_task", TASK_STACK_SIZE, &exit_sema[2], UNITY_FREERTOS_PRIORITY - 1, NULL);
#endif
ESP_LOGI(TAG, "Waiting for 10s ...");
vTaskDelay(10000 / portTICK_PERIOD_MS);
// set exit flag to let thread exit
exit_flag = true;
for (int i = 0; i < max_tasks; ++i) {
if (!xSemaphoreTake(exit_sema[i], 2000/portTICK_PERIOD_MS)) {
TEST_FAIL_MESSAGE("exit_sema not released by test task");
}
vSemaphoreDelete(exit_sema[i]);
}
}
static void rsa_task(void *pvParameters)
{
xSemaphoreHandle *sema = (xSemaphoreHandle *) pvParameters;
ESP_LOGI(TAG, "rsa_task is started");
while (exit_flag == false) {
mbedtls_rsa_self_test(0);
}
xSemaphoreGive(*sema);
vTaskDelete(NULL);
}
TEST_CASE("Test shared using AES RSA", "[hw_crypto]")
{
#ifndef CONFIG_FREERTOS_UNICORE
const int max_tasks = 2;
#else
const int max_tasks = 2;
#endif
xSemaphoreHandle exit_sema[max_tasks];
for (int i = 0; i < max_tasks; ++i) {
exit_sema[i] = xSemaphoreCreateBinary();
}
exit_flag = false;
#ifndef CONFIG_FREERTOS_UNICORE
xTaskCreatePinnedToCore(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL, 1);
xTaskCreatePinnedToCore(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
#else
xTaskCreate(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL);
xTaskCreate(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL);
#endif
ESP_LOGI(TAG, "Waiting for 10s ...");
vTaskDelay(10000 / portTICK_PERIOD_MS);
// set exit flag to let thread exit
exit_flag = true;
for (int i = 0; i < max_tasks; ++i) {
if (!xSemaphoreTake(exit_sema[i], 2000/portTICK_PERIOD_MS)) {
TEST_FAIL_MESSAGE("exit_sema not released by test task");
}
vSemaphoreDelete(exit_sema[i]);
}
}
TEST_CASE("Test shared using SHA512 RSA", "[hw_crypto]")
{
#ifndef CONFIG_FREERTOS_UNICORE
const int max_tasks = 2;
#else
const int max_tasks = 2;
#endif
xSemaphoreHandle exit_sema[max_tasks];
for (int i = 0; i < max_tasks; ++i) {
exit_sema[i] = xSemaphoreCreateBinary();
}
exit_flag = false;
#ifndef CONFIG_FREERTOS_UNICORE
xTaskCreatePinnedToCore(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 2, NULL, 1);
xTaskCreatePinnedToCore(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
#else
xTaskCreate(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL);
xTaskCreate(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL);
#endif
ESP_LOGI(TAG, "Waiting for 10s ...");
vTaskDelay(10000 / portTICK_PERIOD_MS);
// set exit flag to let thread exit
exit_flag = true;
for (int i = 0; i < max_tasks; ++i) {
if (!xSemaphoreTake(exit_sema[i], 2000/portTICK_PERIOD_MS)) {
TEST_FAIL_MESSAGE("exit_sema not released by test task");
}
vSemaphoreDelete(exit_sema[i]);
}
}
TEST_CASE("Test shared using SHA256 RSA", "[hw_crypto]")
{
#ifndef CONFIG_FREERTOS_UNICORE
const int max_tasks = 2;
#else
const int max_tasks = 2;
#endif
xSemaphoreHandle exit_sema[max_tasks];
for (int i = 0; i < max_tasks; ++i) {
exit_sema[i] = xSemaphoreCreateBinary();
}
exit_flag = false;
#ifndef CONFIG_FREERTOS_UNICORE
xTaskCreatePinnedToCore(&mbedtls_sha256_task, "mbedtls_sha256_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL, 1);
xTaskCreatePinnedToCore(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
#else
xTaskCreate(&mbedtls_sha256_task, "mbedtls_sha256_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL);
xTaskCreate(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL);
#endif
ESP_LOGI(TAG, "Waiting for 10s ...");
vTaskDelay(10000 / portTICK_PERIOD_MS);
// set exit flag to let thread exit
exit_flag = true;
for (int i = 0; i < max_tasks; ++i) {
if (!xSemaphoreTake(exit_sema[i], 2000/portTICK_PERIOD_MS)) {
TEST_FAIL_MESSAGE("exit_sema not released by test task");
}
vSemaphoreDelete(exit_sema[i]);
}
}
TEST_CASE("Test shared using AES SHA RSA", "[hw_crypto]")
{
#ifndef CONFIG_FREERTOS_UNICORE
const int max_tasks = 3;
#else
const int max_tasks = 3;
#endif
xSemaphoreHandle exit_sema[max_tasks];
for (int i = 0; i < max_tasks; ++i) {
exit_sema[i] = xSemaphoreCreateBinary();
}
exit_flag = false;
#ifndef CONFIG_FREERTOS_UNICORE
xTaskCreatePinnedToCore(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
xTaskCreatePinnedToCore(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
xTaskCreatePinnedToCore(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[2], UNITY_FREERTOS_PRIORITY - 1, NULL, 1);
#else
xTaskCreate(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL);
xTaskCreate(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL);
xTaskCreate(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[2], UNITY_FREERTOS_PRIORITY - 1, NULL);
#endif
ESP_LOGI(TAG, "Waiting for 10s ...");
vTaskDelay(10000 / portTICK_PERIOD_MS);
// set exit flag to let thread exit
exit_flag = true;
for (int i = 0; i < max_tasks; ++i) {
if (!xSemaphoreTake(exit_sema[i], 2000/portTICK_PERIOD_MS)) {
TEST_FAIL_MESSAGE("exit_sema not released by test task");
}
vSemaphoreDelete(exit_sema[i]);
}
}
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