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60b167f2d6
after they have been again made public in mbedtls-3.1 *Added `MBEDTLS_ALLOW_PRIVATE_ACCESS` in some files.
87 lines
3.0 KiB
C
87 lines
3.0 KiB
C
/* mbedTLS Elliptic Curve functionality tests
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*
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* Focus on testing functionality where we use ESP32 hardware
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* accelerated crypto features.
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*
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* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <string.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <esp_system.h>
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/* ToDo - Remove this once appropriate solution is available.
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We need to define this for the file as ssl_misc.h uses private structures from mbedtls,
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which are undefined if the following flag is not defined */
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/* Many APIs in the file make use of this flag instead of `MBEDTLS_PRIVATE` */
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/* ToDo - Replace them with proper getter-setter once they are added */
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#define MBEDTLS_ALLOW_PRIVATE_ACCESS
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#include <mbedtls/entropy.h>
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#include <mbedtls/ctr_drbg.h>
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#include <mbedtls/ecdh.h>
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#include <mbedtls/ecdsa.h>
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#include <mbedtls/error.h>
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#include "unity.h"
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/* Note: negative value here so that assert message prints a grep-able
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error hex value (mbedTLS uses -N for error codes) */
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#define TEST_ASSERT_MBEDTLS_OK(X) TEST_ASSERT_EQUAL_HEX32(0, -(X))
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TEST_CASE("mbedtls ECDH Generate Key", "[mbedtls]")
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{
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mbedtls_ecdh_context ctx;
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mbedtls_entropy_context entropy;
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mbedtls_ctr_drbg_context ctr_drbg;
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mbedtls_ecdh_init(&ctx);
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mbedtls_ctr_drbg_init(&ctr_drbg);
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mbedtls_entropy_init(&entropy);
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TEST_ASSERT_MBEDTLS_OK( mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, NULL, 0) );
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TEST_ASSERT_MBEDTLS_OK( mbedtls_ecp_group_load(&ctx.ctx.mbed_ecdh.grp, MBEDTLS_ECP_DP_CURVE25519) );
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TEST_ASSERT_MBEDTLS_OK( mbedtls_ecdh_gen_public(&ctx.ctx.mbed_ecdh.grp, &ctx.ctx.mbed_ecdh.d, &ctx.ctx.mbed_ecdh.Q,
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mbedtls_ctr_drbg_random, &ctr_drbg ) );
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mbedtls_ecdh_free(&ctx);
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mbedtls_ctr_drbg_free(&ctr_drbg);
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mbedtls_entropy_free(&entropy);
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}
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TEST_CASE("mbedtls ECP self-tests", "[mbedtls]")
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{
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TEST_ASSERT_EQUAL(0, mbedtls_ecp_self_test(1));
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}
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TEST_CASE("mbedtls ECP mul w/ koblitz", "[mbedtls]")
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{
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/* Test case code via https://github.com/espressif/esp-idf/issues/1556 */
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mbedtls_entropy_context ctxEntropy;
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mbedtls_ctr_drbg_context ctxRandom;
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mbedtls_ecdsa_context ctxECDSA;
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const char* pers = "myecdsa";
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mbedtls_entropy_init(&ctxEntropy);
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mbedtls_ctr_drbg_init(&ctxRandom);
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TEST_ASSERT_MBEDTLS_OK( mbedtls_ctr_drbg_seed(&ctxRandom, mbedtls_entropy_func, &ctxEntropy,
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(const unsigned char*) pers, strlen(pers)) );
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mbedtls_ecdsa_init(&ctxECDSA);
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TEST_ASSERT_MBEDTLS_OK( mbedtls_ecdsa_genkey(&ctxECDSA, MBEDTLS_ECP_DP_SECP256K1,
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mbedtls_ctr_drbg_random, &ctxRandom) );
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TEST_ASSERT_MBEDTLS_OK(mbedtls_ecp_mul(&ctxECDSA.grp, &ctxECDSA.Q, &ctxECDSA.d, &ctxECDSA.grp.G,
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mbedtls_ctr_drbg_random, &ctxRandom) );
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mbedtls_ecdsa_free(&ctxECDSA);
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mbedtls_ctr_drbg_free(&ctxRandom);
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mbedtls_entropy_free(&ctxEntropy);
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}
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