| /* |
| * Insecure but standalone implementation of mbedtls_psa_external_get_random(). |
| * Only for use in tests! |
| */ |
| /* |
| * Copyright The Mbed TLS Contributors |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| * not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef FAKE_EXTERNAL_RNG_FOR_TEST_H |
| #define FAKE_EXTERNAL_RNG_FOR_TEST_H |
| |
| #include "mbedtls/build_info.h" |
| |
| #if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) |
| /** Enable the insecure implementation of mbedtls_psa_external_get_random(). |
| * |
| * The insecure implementation of mbedtls_psa_external_get_random() is |
| * disabled by default. |
| * |
| * When MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG is enabled and the test |
| * helpers are linked into a program, you must enable this before running any |
| * code that uses the PSA subsystem to generate random data (including internal |
| * random generation for purposes such as blinding when the random generation |
| * is routed through PSA). |
| * |
| * You can enable and disable it at any time, regardless of the state |
| * of the PSA subsystem. You may disable it temporarily to simulate a |
| * depleted entropy source. |
| */ |
| void mbedtls_test_enable_insecure_external_rng( void ); |
| |
| /** Disable the insecure implementation of mbedtls_psa_external_get_random(). |
| * |
| * See mbedtls_test_enable_insecure_external_rng(). |
| */ |
| void mbedtls_test_disable_insecure_external_rng( void ); |
| #endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */ |
| |
| #endif /* FAKE_EXTERNAL_RNG_FOR_TEST_H */ |