/* * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ /* * mbedTLS SHA unit tests */ #include #include #include #include #include "mbedtls/sha1.h" #include "mbedtls/sha256.h" #include "mbedtls/sha512.h" #include "freertos/FreeRTOS.h" #include "freertos/task.h" #include "freertos/semphr.h" #include "unity.h" #include "sdkconfig.h" #include "test_apb_dport_access.h" #include "soc/soc_caps.h" #include "test_utils.h" #include "esp_memory_utils.h" TEST_CASE("mbedtls SHA self-tests", "[mbedtls]") { start_apb_access_loop(); TEST_ASSERT_FALSE_MESSAGE(mbedtls_sha1_self_test(1), "SHA1 self-tests should pass."); TEST_ASSERT_FALSE_MESSAGE(mbedtls_sha256_self_test(1), "SHA256 self-tests should pass."); TEST_ASSERT_FALSE_MESSAGE(mbedtls_sha512_self_test(1), "SHA512 self-tests should pass."); verify_apb_access_loop(); } static const unsigned char *one_hundred_as = (unsigned char *) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; static const unsigned char *one_hundred_bs = (unsigned char *) "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"; static const uint8_t sha256_thousand_as[32] = { 0x41, 0xed, 0xec, 0xe4, 0x2d, 0x63, 0xe8, 0xd9, 0xbf, 0x51, 0x5a, 0x9b, 0xa6, 0x93, 0x2e, 0x1c, 0x20, 0xcb, 0xc9, 0xf5, 0xa5, 0xd1, 0x34, 0x64, 0x5a, 0xdb, 0x5d, 0xb1, 0xb9, 0x73, 0x7e, 0xa3 }; static const uint8_t sha256_thousand_bs[32] = { 0xf6, 0xf1, 0x18, 0xe1, 0x20, 0xe5, 0x2b, 0xe0, 0xbd, 0x0c, 0xfd, 0xf2, 0x79, 0x4c, 0xd1, 0x2c, 0x07, 0x68, 0x6c, 0xc8, 0x71, 0x23, 0x5a, 0xc2, 0xf1, 0x14, 0x59, 0x37, 0x8e, 0x6d, 0x23, 0x5b }; static const uint8_t sha512_thousand_bs[64] = { 0xa6, 0x68, 0x68, 0xa3, 0x73, 0x53, 0x2a, 0x5c, 0xc3, 0x3f, 0xbf, 0x43, 0x4e, 0xba, 0x10, 0x86, 0xb3, 0x87, 0x09, 0xe9, 0x14, 0x3f, 0xbf, 0x37, 0x67, 0x8d, 0x43, 0xd9, 0x9b, 0x95, 0x08, 0xd5, 0x80, 0x2d, 0xbe, 0x9d, 0xe9, 0x1a, 0x54, 0xab, 0x9e, 0xbc, 0x8a, 0x08, 0xa0, 0x1a, 0x89, 0xd8, 0x72, 0x68, 0xdf, 0x52, 0x69, 0x7f, 0x1c, 0x70, 0xda, 0xe8, 0x3f, 0xe5, 0xae, 0x5a, 0xfc, 0x9d }; static const uint8_t sha384_thousand_bs[48] = { 0x6d, 0xe5, 0xf5, 0x88, 0x57, 0x60, 0x83, 0xff, 0x7c, 0x94, 0x61, 0x5f, 0x8d, 0x96, 0xf2, 0x76, 0xd5, 0x3f, 0x77, 0x0c, 0x8e, 0xc1, 0xbf, 0xb6, 0x04, 0x27, 0xa4, 0xba, 0xea, 0x6c, 0x68, 0x44, 0xbd, 0xb0, 0x9c, 0xef, 0x6a, 0x09, 0x28, 0xe8, 0x1f, 0xfc, 0x95, 0x03, 0x69, 0x99, 0xab, 0x1a }; static const uint8_t sha1_thousand_as[20] = { 0x29, 0x1e, 0x9a, 0x6c, 0x66, 0x99, 0x49, 0x49, 0xb5, 0x7b, 0xa5, 0xe6, 0x50, 0x36, 0x1e, 0x98, 0xfc, 0x36, 0xb1, 0xba }; TEST_CASE("mbedtls SHA interleaving", "[mbedtls]") { mbedtls_sha1_context sha1_ctx; mbedtls_sha256_context sha256_ctx; mbedtls_sha512_context sha512_ctx; unsigned char sha1[20], sha256[32], sha512[64]; mbedtls_sha1_init(&sha1_ctx); mbedtls_sha256_init(&sha256_ctx); mbedtls_sha512_init(&sha512_ctx); TEST_ASSERT_EQUAL(0, mbedtls_sha1_starts(&sha1_ctx)); TEST_ASSERT_EQUAL(0, mbedtls_sha256_starts(&sha256_ctx, false)); TEST_ASSERT_EQUAL(0, mbedtls_sha512_starts(&sha512_ctx, false)); for (int i = 0; i < 10; i++) { TEST_ASSERT_EQUAL(0, mbedtls_sha1_update(&sha1_ctx, one_hundred_as, 100)); TEST_ASSERT_EQUAL(0, mbedtls_sha256_update(&sha256_ctx, one_hundred_as, 100)); TEST_ASSERT_EQUAL(0, mbedtls_sha512_update(&sha512_ctx, one_hundred_bs, 100)); } TEST_ASSERT_EQUAL(0, mbedtls_sha1_finish(&sha1_ctx, sha1)); TEST_ASSERT_EQUAL(0, mbedtls_sha256_finish(&sha256_ctx, sha256)); TEST_ASSERT_EQUAL(0, mbedtls_sha512_finish(&sha512_ctx, sha512)); mbedtls_sha1_free(&sha1_ctx); mbedtls_sha256_free(&sha256_ctx); mbedtls_sha512_free(&sha512_ctx); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha512_thousand_bs, sha512, 64, "SHA512 calculation"); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha256_thousand_as, sha256, 32, "SHA256 calculation"); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha1_thousand_as, sha1, 20, "SHA1 calculation"); } #define SHA_TASK_STACK_SIZE (10*1024) static SemaphoreHandle_t done_sem; static void tskRunSHA1Test(void *pvParameters) { mbedtls_sha1_context sha1_ctx; unsigned char sha1[20]; for (int i = 0; i < 1000; i++) { mbedtls_sha1_init(&sha1_ctx); TEST_ASSERT_EQUAL(0, mbedtls_sha1_starts(&sha1_ctx)); for (int j = 0; j < 10; j++) { TEST_ASSERT_EQUAL(0, mbedtls_sha1_update(&sha1_ctx, (unsigned char *)one_hundred_as, 100)); } TEST_ASSERT_EQUAL(0, mbedtls_sha1_finish(&sha1_ctx, sha1)); mbedtls_sha1_free(&sha1_ctx); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha1_thousand_as, sha1, 20, "SHA1 calculation"); } xSemaphoreGive(done_sem); vTaskDelete(NULL); } static void tskRunSHA256Test(void *pvParameters) { mbedtls_sha256_context sha256_ctx; unsigned char sha256[32]; for (int i = 0; i < 1000; i++) { mbedtls_sha256_init(&sha256_ctx); TEST_ASSERT_EQUAL(0, mbedtls_sha256_starts(&sha256_ctx, false)); for (int j = 0; j < 10; j++) { TEST_ASSERT_EQUAL(0, mbedtls_sha256_update(&sha256_ctx, (unsigned char *)one_hundred_bs, 100)); } TEST_ASSERT_EQUAL(0, mbedtls_sha256_finish(&sha256_ctx, sha256)); mbedtls_sha256_free(&sha256_ctx); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha256_thousand_bs, sha256, 32, "SHA256 calculation"); } xSemaphoreGive(done_sem); vTaskDelete(NULL); } TEST_CASE("mbedtls SHA multithreading", "[mbedtls]") { done_sem = xSemaphoreCreateCounting(4, 0); xTaskCreate(tskRunSHA1Test, "SHA1Task1", SHA_TASK_STACK_SIZE, NULL, 3, NULL); xTaskCreate(tskRunSHA1Test, "SHA1Task2", SHA_TASK_STACK_SIZE, NULL, 3, NULL); xTaskCreate(tskRunSHA256Test, "SHA256Task1", SHA_TASK_STACK_SIZE, NULL, 3, NULL); xTaskCreate(tskRunSHA256Test, "SHA256Task2", SHA_TASK_STACK_SIZE, NULL, 3, NULL); for (int i = 0; i < 4; i++) { if (!xSemaphoreTake(done_sem, 10000 / portTICK_PERIOD_MS)) { TEST_FAIL_MESSAGE("done_sem not released by test task"); } } vSemaphoreDelete(done_sem); } void tskRunSHASelftests(void *param) { for (int i = 0; i < 5; i++) { if (mbedtls_sha1_self_test(1)) { printf("SHA1 self-tests failed.\n"); while (1) {} } if (mbedtls_sha256_self_test(1)) { printf("SHA256 self-tests failed.\n"); while (1) {} } #if SOC_SHA_SUPPORT_SHA512 if (mbedtls_sha512_self_test(1)) { printf("SHA512 self-tests failed.\n"); while (1) {} } if (mbedtls_sha512_self_test(1)) { printf("SHA512 self-tests failed.\n"); while (1) {} } #endif //SOC_SHA_SUPPORT_SHA512 } xSemaphoreGive(done_sem); vTaskDelete(NULL); } TEST_CASE("mbedtls SHA self-tests multithreaded", "[mbedtls]") { done_sem = xSemaphoreCreateCounting(2, 0); xTaskCreate(tskRunSHASelftests, "SHASelftests1", SHA_TASK_STACK_SIZE, NULL, 3, NULL); xTaskCreate(tskRunSHASelftests, "SHASelftests2", SHA_TASK_STACK_SIZE, NULL, 3, NULL); const int TIMEOUT_MS = 40000; for (int i = 0; i < 2; i++) { if (!xSemaphoreTake(done_sem, TIMEOUT_MS / portTICK_PERIOD_MS)) { TEST_FAIL_MESSAGE("done_sem not released by test task"); } } vSemaphoreDelete(done_sem); } TEST_CASE("mbedtls SHA512 clone", "[mbedtls]") { mbedtls_sha512_context ctx; mbedtls_sha512_context clone; unsigned char sha512[64]; mbedtls_sha512_init(&ctx); TEST_ASSERT_EQUAL(0, mbedtls_sha512_starts(&ctx, false)); for (int i = 0; i < 5; i++) { TEST_ASSERT_EQUAL(0, mbedtls_sha512_update(&ctx, one_hundred_bs, 100)); } mbedtls_sha512_init(&clone); mbedtls_sha512_clone(&clone, &ctx); for (int i = 0; i < 5; i++) { TEST_ASSERT_EQUAL(0, mbedtls_sha512_update(&ctx, one_hundred_bs, 100)); TEST_ASSERT_EQUAL(0, mbedtls_sha512_update(&clone, one_hundred_bs, 100)); } TEST_ASSERT_EQUAL(0, mbedtls_sha512_finish(&ctx, sha512)); mbedtls_sha512_free(&ctx); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha512_thousand_bs, sha512, 64, "SHA512 original calculation"); TEST_ASSERT_EQUAL(0, mbedtls_sha512_finish(&clone, sha512)); mbedtls_sha512_free(&clone); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha512_thousand_bs, sha512, 64, "SHA512 cloned calculation"); } TEST_CASE("mbedtls SHA384 clone", "[mbedtls][") { mbedtls_sha512_context ctx; mbedtls_sha512_context clone; unsigned char sha384[48]; mbedtls_sha512_init(&ctx); TEST_ASSERT_EQUAL(0, mbedtls_sha512_starts(&ctx, true)); for (int i = 0; i < 5; i++) { TEST_ASSERT_EQUAL(0, mbedtls_sha512_update(&ctx, one_hundred_bs, 100)); } mbedtls_sha512_init(&clone); mbedtls_sha512_clone(&clone, &ctx); for (int i = 0; i < 5; i++) { TEST_ASSERT_EQUAL(0, mbedtls_sha512_update(&ctx, one_hundred_bs, 100)); TEST_ASSERT_EQUAL(0, mbedtls_sha512_update(&clone, one_hundred_bs, 100)); } /* intended warning supression: is384 == true */ #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wstringop-overflow" TEST_ASSERT_EQUAL(0, mbedtls_sha512_finish(&ctx, sha384)); #pragma GCC diagnostic pop mbedtls_sha512_free(&ctx); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha384_thousand_bs, sha384, 48, "SHA512 original calculation"); #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wstringop-overflow" TEST_ASSERT_EQUAL(0, mbedtls_sha512_finish(&clone, sha384)); #pragma GCC diagnostic pop mbedtls_sha512_free(&clone); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha384_thousand_bs, sha384, 48, "SHA512 cloned calculation"); } TEST_CASE("mbedtls SHA256 clone", "[mbedtls]") { mbedtls_sha256_context ctx; mbedtls_sha256_context clone; unsigned char sha256[64]; mbedtls_sha256_init(&ctx); TEST_ASSERT_EQUAL(0, mbedtls_sha256_starts(&ctx, false)); for (int i = 0; i < 5; i++) { TEST_ASSERT_EQUAL(0, mbedtls_sha256_update(&ctx, one_hundred_as, 100)); } mbedtls_sha256_init(&clone); mbedtls_sha256_clone(&clone, &ctx); for (int i = 0; i < 5; i++) { TEST_ASSERT_EQUAL(0, mbedtls_sha256_update(&ctx, one_hundred_as, 100)); TEST_ASSERT_EQUAL(0, mbedtls_sha256_update(&clone, one_hundred_as, 100)); } TEST_ASSERT_EQUAL(0, mbedtls_sha256_finish(&ctx, sha256)); mbedtls_sha256_free(&ctx); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha256_thousand_as, sha256, 32, "SHA256 original calculation"); TEST_ASSERT_EQUAL(0, mbedtls_sha256_finish(&clone, sha256)); mbedtls_sha256_free(&clone); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha256_thousand_as, sha256, 32, "SHA256 cloned calculation"); } typedef struct { mbedtls_sha256_context ctx; uint8_t result[32]; int ret; bool done; } finalise_sha_param_t; static void tskFinaliseSha(void *v_param) { finalise_sha_param_t *param = (finalise_sha_param_t *)v_param; for (int i = 0; i < 5; i++) { TEST_ASSERT_EQUAL(0, mbedtls_sha256_update(¶m->ctx, one_hundred_as, 100)); } param->ret = mbedtls_sha256_finish(¶m->ctx, param->result); mbedtls_sha256_free(¶m->ctx); param->done = true; vTaskDelete(NULL); } TEST_CASE("mbedtls SHA session passed between tasks", "[mbedtls]") { finalise_sha_param_t param = { 0 }; mbedtls_sha256_init(¶m.ctx); TEST_ASSERT_EQUAL(0, mbedtls_sha256_starts(¶m.ctx, false)); for (int i = 0; i < 5; i++) { TEST_ASSERT_EQUAL(0, mbedtls_sha256_update(¶m.ctx, one_hundred_as, 100)); } // pass the SHA context off to a different task // // note: at the moment this doesn't crash even if a mutex semaphore is used as the // engine lock, but it can crash... xTaskCreate(tskFinaliseSha, "SHAFinalise", SHA_TASK_STACK_SIZE, ¶m, 3, NULL); while (!param.done) { vTaskDelay(1); } TEST_ASSERT_EQUAL(0, param.ret); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha256_thousand_as, param.result, 32, "SHA256 result from other task"); } /* Random input generated and hashed using python: import hashlib import os, binascii input = bytearray(os.urandom(150)) arr = '' for idx, b in enumerate(input): if idx % 8 == 0: arr += '\n' arr += "{}, ".format(hex(b)) digest = hashlib.sha256(input).hexdigest() */ const uint8_t test_vector[] = { 0xe4, 0x1a, 0x1a, 0x30, 0x71, 0xd3, 0x94, 0xb0, 0xc3, 0x7e, 0x99, 0x9f, 0x1a, 0xde, 0x4a, 0x36, 0xb1, 0x1, 0x81, 0x2b, 0x41, 0x91, 0x11, 0x7f, 0xd8, 0xe1, 0xd5, 0xe5, 0x52, 0x6d, 0x92, 0xee, 0x6c, 0xf7, 0x70, 0xea, 0x3a, 0xb, 0xc9, 0x97, 0xc0, 0x12, 0x6f, 0x10, 0x5b, 0x90, 0xd8, 0x52, 0x91, 0x69, 0xea, 0xc4, 0x1f, 0xc, 0xcf, 0xc6, 0xf0, 0x43, 0xc6, 0xa3, 0x1f, 0x46, 0x3c, 0x3d, 0x25, 0xe5, 0xa8, 0x27, 0x86, 0x85, 0x32, 0x3f, 0x33, 0xd8, 0x40, 0xc4, 0x41, 0xf6, 0x4b, 0x12, 0xd8, 0x5e, 0x4, 0x27, 0x42, 0x90, 0x73, 0x4, 0x8, 0x42, 0xd1, 0x64, 0xd, 0x84, 0x3, 0x1, 0x76, 0x88, 0xe4, 0x95, 0xdf, 0xe7, 0x62, 0xb4, 0xb3, 0xb2, 0x7e, 0x6d, 0x78, 0xca, 0x79, 0x82, 0xcc, 0xba, 0x22, 0xd2, 0x90, 0x2e, 0xe3, 0xa8, 0x2a, 0x53, 0x3a, 0xb1, 0x9a, 0x7f, 0xb7, 0x8b, 0xfa, 0x32, 0x47, 0xc1, 0x5c, 0x6, 0x4f, 0x7b, 0xcd, 0xb3, 0xf4, 0xf1, 0xd0, 0xb5, 0xbf, 0xfb, 0x7c, 0xc3, 0xa5, 0xb2, 0xc4, 0xd4, }; const uint8_t test_vector_digest[] = { 0xff, 0x1c, 0x60, 0xcb, 0x21, 0xf0, 0x63, 0x68, 0xb9, 0xfc, 0xfe, 0xad, 0x3e, 0xb0, 0x2e, 0xd1, 0xf9, 0x08, 0x82, 0x82, 0x83, 0x06, 0xc1, 0x8a, 0x98, 0x5d, 0x36, 0xc0, 0xb7, 0xeb, 0x35, 0xe0, }; TEST_CASE("mbedtls SHA, input in flash", "[mbedtls]") { mbedtls_sha256_context sha256_ctx; unsigned char sha256[32]; mbedtls_sha256_init(&sha256_ctx); TEST_ASSERT_EQUAL(0, mbedtls_sha256_starts(&sha256_ctx, false)); TEST_ASSERT_EQUAL(0, mbedtls_sha256_update(&sha256_ctx, test_vector, sizeof(test_vector))); TEST_ASSERT_EQUAL(0, mbedtls_sha256_finish(&sha256_ctx, sha256)); mbedtls_sha256_free(&sha256_ctx); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(test_vector_digest, sha256, 32, "SHA256 calculation"); } /* Function are not implemented in SW */ #if CONFIG_MBEDTLS_HARDWARE_SHA && SOC_SHA_SUPPORT_SHA512_T /* * FIPS-180-2 test vectors */ static unsigned char sha512T_test_buf[2][113] = { { "abc" }, { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn" "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" } }; static const size_t sha512T_test_buflen[2] = { 3, 112 }; static const esp_sha_type sha512T_algo[4] = { SHA2_512224, SHA2_512256, SHA2_512T, SHA2_512T }; static const size_t sha512T_t_len[4] = { 224, 256, 224, 256 }; static const unsigned char sha512_test_sum[4][32] = { /* SHA512-224 */ { 0x46, 0x34, 0x27, 0x0f, 0x70, 0x7b, 0x6a, 0x54, 0xda, 0xae, 0x75, 0x30, 0x46, 0x08, 0x42, 0xe2, 0x0e, 0x37, 0xed, 0x26, 0x5c, 0xee, 0xe9, 0xa4, 0x3e, 0x89, 0x24, 0xaa }, { 0x23, 0xfe, 0xc5, 0xbb, 0x94, 0xd6, 0x0b, 0x23, 0x30, 0x81, 0x92, 0x64, 0x0b, 0x0c, 0x45, 0x33, 0x35, 0xd6, 0x64, 0x73, 0x4f, 0xe4, 0x0e, 0x72, 0x68, 0x67, 0x4a, 0xf9 }, /* SHA512-256 */ { 0x53, 0x04, 0x8e, 0x26, 0x81, 0x94, 0x1e, 0xf9, 0x9b, 0x2e, 0x29, 0xb7, 0x6b, 0x4c, 0x7d, 0xab, 0xe4, 0xc2, 0xd0, 0xc6, 0x34, 0xfc, 0x6d, 0x46, 0xe0, 0xe2, 0xf1, 0x31, 0x07, 0xe7, 0xaf, 0x23 }, { 0x39, 0x28, 0xe1, 0x84, 0xfb, 0x86, 0x90, 0xf8, 0x40, 0xda, 0x39, 0x88, 0x12, 0x1d, 0x31, 0xbe, 0x65, 0xcb, 0x9d, 0x3e, 0xf8, 0x3e, 0xe6, 0x14, 0x6f, 0xea, 0xc8, 0x61, 0xe1, 0x9b, 0x56, 0x3a } /* For SHA512_T testing we use t=224 & t=256 * so the hash digest should be same as above */ }; /* This will run total of 8 test cases, 2 for each of the below MODE * SHA512/224, SHA512/256, SHA512/t with t=224 & SHA512/t with t=256 * * Test is disabled for ESP32 as there is no hardware for SHA512/t */ TEST_CASE("mbedtls SHA512/t", "[mbedtls]") { mbedtls_sha512_context sha512_ctx; unsigned char sha512[64], k; for (int i = 0; i < 4; i++) { for (int j = 0; j < 2; j++) { k = i * 2 + j; mbedtls_sha512_init(&sha512_ctx); TEST_ASSERT_EQUAL(0, mbedtls_sha512_starts(&sha512_ctx, false)); esp_sha512_set_mode(&sha512_ctx, sha512T_algo[i]); if (i > 1) { k = (i - 2) * 2 + j; esp_sha512_set_t(&sha512_ctx, sha512T_t_len[i]); } TEST_ASSERT_EQUAL(0, mbedtls_sha512_update(&sha512_ctx, sha512T_test_buf[j], sha512T_test_buflen[j])); TEST_ASSERT_EQUAL(0, mbedtls_sha512_finish(&sha512_ctx, sha512)); mbedtls_sha512_free(&sha512_ctx); TEST_ASSERT_EQUAL_MEMORY_MESSAGE(sha512_test_sum[k], sha512, sha512T_t_len[i] / 8, "SHA512t calculation"); } } } #endif //CONFIG_MBEDTLS_HARDWARE_SHA #ifdef CONFIG_SPIRAM_USE_MALLOC #include "test_mbedtls_utils.h" TEST_CASE("mbedtls SHA256 PSRAM DMA", "[mbedtls]") { const unsigned CALLS = 256; const unsigned CALL_SZ = 16 * 1024; mbedtls_sha256_context sha256_ctx; unsigned char sha256[32]; // allocate external memory uint8_t *buf = heap_caps_malloc(CALL_SZ, MALLOC_CAP_8BIT | MALLOC_CAP_SPIRAM); TEST_ASSERT(esp_ptr_external_ram(buf)); memset(buf, 0x54, CALL_SZ); mbedtls_sha256_init(&sha256_ctx); TEST_ASSERT_EQUAL(0, mbedtls_sha256_starts(&sha256_ctx, false)); for (int c = 0; c < CALLS; c++) { TEST_ASSERT_EQUAL(0, mbedtls_sha256_update(&sha256_ctx, buf, CALL_SZ)); } TEST_ASSERT_EQUAL(0, mbedtls_sha256_finish(&sha256_ctx, sha256)); 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' '\124' | sha256sum */ const char *expected_hash = "8d031167bd706ac337e07aa9129c34ae4ae792d0a79a2c70e7f012102e8adc3d"; char hash_str[sizeof(sha256) * 2 + 1]; utils_bin2hex(hash_str, sizeof(hash_str), sha256, sizeof(sha256)); TEST_ASSERT_EQUAL_STRING(expected_hash, hash_str); } #endif //CONFIG_SPIRAM_USE_MALLOC #if CONFIG_ESP_SYSTEM_RTC_FAST_MEM_AS_HEAP_DEPCHECK TEST_CASE("mbedtls SHA stack in RTC RAM", "[mbedtls]") { done_sem = xSemaphoreCreateBinary(); static StaticTask_t rtc_task; size_t STACK_SIZE = 3072; uint8_t *rtc_stack = heap_caps_calloc(STACK_SIZE, 1, MALLOC_CAP_RTCRAM); TEST_ASSERT(esp_ptr_in_rtc_dram_fast(rtc_stack)); TEST_ASSERT_NOT_NULL(xTaskCreateStatic(tskRunSHA256Test, "tskRunSHA256Test_task", STACK_SIZE, NULL, 3, rtc_stack, &rtc_task)); TEST_ASSERT_TRUE(xSemaphoreTake(done_sem, 10000 / portTICK_PERIOD_MS)); /* Give task time to cleanup before freeing stack */ vTaskDelay(1000 / portTICK_PERIOD_MS); free(rtc_stack); vSemaphoreDelete(done_sem); } #endif //CONFIG_ESP_SYSTEM_RTC_FAST_MEM_AS_HEAP_DEPCHECK #if CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY && CONFIG_SPIRAM_USE_MALLOC TEST_CASE("mbedtls SHA stack in PSRAM", "[mbedtls]") { done_sem = xSemaphoreCreateBinary(); static StaticTask_t psram_task; size_t STACK_SIZE = 3072; uint8_t *psram_stack = heap_caps_calloc(STACK_SIZE, 1, MALLOC_CAP_SPIRAM); TEST_ASSERT(esp_ptr_external_ram(psram_stack)); TEST_ASSERT_NOT_NULL(xTaskCreateStatic(tskRunSHA256Test, "tskRunSHA256Test_task", STACK_SIZE, NULL, 3, psram_stack, &psram_task)); TEST_ASSERT_TRUE(xSemaphoreTake(done_sem, 10000 / portTICK_PERIOD_MS)); /* Give task time to cleanup before freeing stack */ vTaskDelay(1000 / portTICK_PERIOD_MS); free(psram_stack); vSemaphoreDelete(done_sem); } #endif //CONFIG_SPIRAM_ALLOW_STACK_EXTERNAL_MEMORY && CONFIG_SPIRAM_USE_MALLOC