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
287 lines
11 KiB
C
287 lines
11 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "esp_types.h"
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#include "esp_clk.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/semphr.h"
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#include "freertos/xtensa_timer.h"
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#include "soc/cpu.h"
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#include "unity.h"
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#include "rom/uart.h"
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#include "rom/sha.h"
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#include "soc/uart_reg.h"
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#include "soc/dport_reg.h"
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#include "soc/rtc.h"
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#include "esp_log.h"
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#include "mbedtls/sha256.h"
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#include "hwcrypto/sha.h"
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#include "hwcrypto/aes.h"
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#include "mbedtls/rsa.h"
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static const char *TAG = "test";
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static volatile bool exit_flag = false;
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#define TASK_STACK_SIZE (8*1024)
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static void aes_task(void *pvParameters)
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{
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xSemaphoreHandle *sema = (xSemaphoreHandle *) pvParameters;
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ESP_LOGI(TAG, "aes_task is started");
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esp_aes_context ctx = {
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.key_bytes = 16,
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.key = {101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116}
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};
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const unsigned char input[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
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unsigned char output[16];
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unsigned char output2[16];
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while (exit_flag == false) {
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memset(output, 0, sizeof(output));
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memset(output, 0, sizeof(output2));
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esp_internal_aes_encrypt(&ctx, input, output);
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esp_internal_aes_decrypt(&ctx, output, output2);
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TEST_ASSERT_EQUAL_MEMORY_MESSAGE(input, output2, sizeof(input), "AES must match");
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}
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xSemaphoreGive(*sema);
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vTaskDelete(NULL);
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}
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static void sha_task(void *pvParameters)
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{
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xSemaphoreHandle *sema = (xSemaphoreHandle *) pvParameters;
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ESP_LOGI(TAG, "sha_task is started");
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const char *input = "Space!#$%&()*+,-.0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_abcdefghijklmnopqrstuvwxyz~DEL0123456789";
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unsigned char output[64];
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unsigned char output_origin[64];
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esp_sha(SHA2_512, (const unsigned char *)input, sizeof(input), output);
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memcpy(output_origin, output, sizeof(output));
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while (exit_flag == false) {
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memset(output, 0, sizeof(output));
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esp_sha(SHA2_512, (const unsigned char *)input, sizeof(input), output);
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TEST_ASSERT_EQUAL_MEMORY_MESSAGE(output, output_origin, sizeof(output), "SHA256 must match");
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}
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xSemaphoreGive(*sema);
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vTaskDelete(NULL);
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}
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static void mbedtls_sha256_task(void *pvParameters)
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{
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xSemaphoreHandle *sema = (xSemaphoreHandle *) pvParameters;
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ESP_LOGI(TAG, "mbedtls_sha256_task is started");
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const char *input = "@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_abcdefghijklmnopqrstuvwxyz~DEL0123456789Space!#$%&()*+,-.0123456789:;<=>?";
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mbedtls_sha256_context sha256_ctx;
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unsigned char output[32];
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unsigned char output_origin[32];
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mbedtls_sha256_init(&sha256_ctx);
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memset(output, 0, sizeof(output));
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mbedtls_sha256_starts_ret(&sha256_ctx, false);
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for (int i = 0; i < 3; ++i) {
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mbedtls_sha256_update_ret(&sha256_ctx, (unsigned char *)input, 100);
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}
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mbedtls_sha256_finish_ret(&sha256_ctx, output);
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memcpy(output_origin, output, sizeof(output));
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while (exit_flag == false) {
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mbedtls_sha256_init(&sha256_ctx);
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memset(output, 0, sizeof(output));
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mbedtls_sha256_starts_ret(&sha256_ctx, false);
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for (int i = 0; i < 3; ++i) {
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mbedtls_sha256_update_ret(&sha256_ctx, (unsigned char *)input, 100);
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}
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mbedtls_sha256_finish_ret(&sha256_ctx, output);
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TEST_ASSERT_EQUAL_MEMORY_MESSAGE(output, output_origin, sizeof(output), "MBEDTLS SHA256 must match");
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}
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xSemaphoreGive(*sema);
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vTaskDelete(NULL);
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}
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TEST_CASE("Test shared using AES SHA512 SHA256", "[hw_crypto]")
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{
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#ifndef CONFIG_FREERTOS_UNICORE
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const int max_tasks = 6;
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#else
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const int max_tasks = 3;
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#endif
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xSemaphoreHandle exit_sema[max_tasks];
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for (int i = 0; i < max_tasks; ++i) {
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exit_sema[i] = xSemaphoreCreateBinary();
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}
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exit_flag = false;
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#ifndef CONFIG_FREERTOS_UNICORE
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xTaskCreatePinnedToCore(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL, 1);
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xTaskCreatePinnedToCore(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
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xTaskCreatePinnedToCore(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[2], UNITY_FREERTOS_PRIORITY - 1, NULL, 1);
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xTaskCreatePinnedToCore(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[3], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
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xTaskCreatePinnedToCore(&mbedtls_sha256_task, "mbedtls_sha256_task", TASK_STACK_SIZE, &exit_sema[4], UNITY_FREERTOS_PRIORITY - 1, NULL, 1);
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xTaskCreatePinnedToCore(&mbedtls_sha256_task, "mbedtls_sha256_task", TASK_STACK_SIZE, &exit_sema[5], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
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#else
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xTaskCreate(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL);
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xTaskCreate(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL);
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xTaskCreate(&mbedtls_sha256_task, "mbedtls_sha256_task", TASK_STACK_SIZE, &exit_sema[2], UNITY_FREERTOS_PRIORITY - 1, NULL);
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#endif
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ESP_LOGI(TAG, "Waiting for 10s ...");
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vTaskDelay(10000 / portTICK_PERIOD_MS);
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// set exit flag to let thread exit
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exit_flag = true;
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for (int i = 0; i < max_tasks; ++i) {
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if (!xSemaphoreTake(exit_sema[i], 2000/portTICK_PERIOD_MS)) {
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TEST_FAIL_MESSAGE("exit_sema not released by test task");
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}
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vSemaphoreDelete(exit_sema[i]);
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}
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}
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static void rsa_task(void *pvParameters)
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{
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xSemaphoreHandle *sema = (xSemaphoreHandle *) pvParameters;
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ESP_LOGI(TAG, "rsa_task is started");
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while (exit_flag == false) {
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mbedtls_rsa_self_test(0);
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}
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xSemaphoreGive(*sema);
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vTaskDelete(NULL);
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}
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TEST_CASE("Test shared using AES RSA", "[hw_crypto]")
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{
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#ifndef CONFIG_FREERTOS_UNICORE
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const int max_tasks = 2;
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#else
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const int max_tasks = 2;
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#endif
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xSemaphoreHandle exit_sema[max_tasks];
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for (int i = 0; i < max_tasks; ++i) {
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exit_sema[i] = xSemaphoreCreateBinary();
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}
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exit_flag = false;
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#ifndef CONFIG_FREERTOS_UNICORE
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xTaskCreatePinnedToCore(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL, 1);
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xTaskCreatePinnedToCore(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
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#else
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xTaskCreate(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL);
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xTaskCreate(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL);
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#endif
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ESP_LOGI(TAG, "Waiting for 10s ...");
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vTaskDelay(10000 / portTICK_PERIOD_MS);
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// set exit flag to let thread exit
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exit_flag = true;
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for (int i = 0; i < max_tasks; ++i) {
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if (!xSemaphoreTake(exit_sema[i], 2000/portTICK_PERIOD_MS)) {
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TEST_FAIL_MESSAGE("exit_sema not released by test task");
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}
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vSemaphoreDelete(exit_sema[i]);
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}
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}
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TEST_CASE("Test shared using SHA512 RSA", "[hw_crypto]")
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{
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#ifndef CONFIG_FREERTOS_UNICORE
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const int max_tasks = 2;
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#else
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const int max_tasks = 2;
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#endif
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xSemaphoreHandle exit_sema[max_tasks];
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for (int i = 0; i < max_tasks; ++i) {
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exit_sema[i] = xSemaphoreCreateBinary();
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}
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exit_flag = false;
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#ifndef CONFIG_FREERTOS_UNICORE
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xTaskCreatePinnedToCore(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 2, NULL, 1);
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xTaskCreatePinnedToCore(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
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#else
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xTaskCreate(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL);
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xTaskCreate(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL);
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#endif
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ESP_LOGI(TAG, "Waiting for 10s ...");
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vTaskDelay(10000 / portTICK_PERIOD_MS);
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// set exit flag to let thread exit
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exit_flag = true;
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for (int i = 0; i < max_tasks; ++i) {
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if (!xSemaphoreTake(exit_sema[i], 2000/portTICK_PERIOD_MS)) {
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TEST_FAIL_MESSAGE("exit_sema not released by test task");
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}
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vSemaphoreDelete(exit_sema[i]);
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}
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}
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TEST_CASE("Test shared using SHA256 RSA", "[hw_crypto]")
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{
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#ifndef CONFIG_FREERTOS_UNICORE
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const int max_tasks = 2;
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#else
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const int max_tasks = 2;
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#endif
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xSemaphoreHandle exit_sema[max_tasks];
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for (int i = 0; i < max_tasks; ++i) {
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exit_sema[i] = xSemaphoreCreateBinary();
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}
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exit_flag = false;
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#ifndef CONFIG_FREERTOS_UNICORE
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xTaskCreatePinnedToCore(&mbedtls_sha256_task, "mbedtls_sha256_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL, 1);
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xTaskCreatePinnedToCore(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
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#else
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xTaskCreate(&mbedtls_sha256_task, "mbedtls_sha256_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL);
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xTaskCreate(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL);
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#endif
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ESP_LOGI(TAG, "Waiting for 10s ...");
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vTaskDelay(10000 / portTICK_PERIOD_MS);
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// set exit flag to let thread exit
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exit_flag = true;
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for (int i = 0; i < max_tasks; ++i) {
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if (!xSemaphoreTake(exit_sema[i], 2000/portTICK_PERIOD_MS)) {
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TEST_FAIL_MESSAGE("exit_sema not released by test task");
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}
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vSemaphoreDelete(exit_sema[i]);
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}
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}
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TEST_CASE("Test shared using AES SHA RSA", "[hw_crypto]")
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{
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#ifndef CONFIG_FREERTOS_UNICORE
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const int max_tasks = 3;
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#else
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const int max_tasks = 3;
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#endif
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xSemaphoreHandle exit_sema[max_tasks];
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for (int i = 0; i < max_tasks; ++i) {
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exit_sema[i] = xSemaphoreCreateBinary();
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}
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exit_flag = false;
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#ifndef CONFIG_FREERTOS_UNICORE
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xTaskCreatePinnedToCore(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
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xTaskCreatePinnedToCore(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL, 0);
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xTaskCreatePinnedToCore(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[2], UNITY_FREERTOS_PRIORITY - 1, NULL, 1);
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#else
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xTaskCreate(&aes_task, "aes_task", TASK_STACK_SIZE, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, NULL);
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xTaskCreate(&sha_task, "sha_task", TASK_STACK_SIZE, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, NULL);
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xTaskCreate(&rsa_task, "rsa_task", TASK_STACK_SIZE, &exit_sema[2], UNITY_FREERTOS_PRIORITY - 1, NULL);
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#endif
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ESP_LOGI(TAG, "Waiting for 10s ...");
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vTaskDelay(10000 / portTICK_PERIOD_MS);
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// set exit flag to let thread exit
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exit_flag = true;
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for (int i = 0; i < max_tasks; ++i) {
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if (!xSemaphoreTake(exit_sema[i], 2000/portTICK_PERIOD_MS)) {
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TEST_FAIL_MESSAGE("exit_sema not released by test task");
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}
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vSemaphoreDelete(exit_sema[i]);
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}
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}
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