40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/*
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* Insecure but standalone implementation of mbedtls_psa_external_get_random().
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* Only for use in tests!
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*/
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#ifndef FAKE_EXTERNAL_RNG_FOR_TEST_H
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#define FAKE_EXTERNAL_RNG_FOR_TEST_H
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#include "mbedtls/build_info.h"
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#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
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/** Enable the insecure implementation of mbedtls_psa_external_get_random().
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*
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* The insecure implementation of mbedtls_psa_external_get_random() is
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* disabled by default.
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*
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* When MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG is enabled and the test
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* helpers are linked into a program, you must enable this before running any
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* code that uses the PSA subsystem to generate random data (including internal
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* random generation for purposes such as blinding when the random generation
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* is routed through PSA).
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*
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* You can enable and disable it at any time, regardless of the state
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* of the PSA subsystem. You may disable it temporarily to simulate a
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* depleted entropy source.
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*/
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void mbedtls_test_enable_insecure_external_rng(void);
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/** Disable the insecure implementation of mbedtls_psa_external_get_random().
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*
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* See mbedtls_test_enable_insecure_external_rng().
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*/
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void mbedtls_test_disable_insecure_external_rng(void);
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#endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
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#endif /* FAKE_EXTERNAL_RNG_FOR_TEST_H */
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