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tests: add functions to force behavior of mbedtls_platform_get_entropy_alt()

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Signed-off-by: Valerio Setti <[email protected]>
This commit is contained in:
Valerio Setti
2025-04-16 11:24:11 +02:00
parent f4662dbaf6
commit 566659e20e
2 changed files with 36 additions and 2 deletions
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tests/include/test/fake_external_rng_for_test.h
+17
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@@ -37,4 +37,21 @@ void mbedtls_test_enable_insecure_external_rng(void);
void mbedtls_test_disable_insecure_external_rng(void);
#endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
#if defined(MBEDTLS_PLATFORM_GET_ENTROPY_ALT)
#include <mbedtls/platform.h>
/* Force return value or entropy content in mbedtls_platform_get_entropy_alt()
* as follows:
* - if fail == 0 && forced_entropy_content == 0 then
* mbedtls_platform_get_entropy_alt() behaves properly.
* - if fail != 0 then MBEDTLS_ERR_ENTROPY_SOURCE_FAILED is returned.
* - if forced_entropy_content != 0 then
* - return value is success (0) but
* - returned entropy_content will be equal to forced_entropy_content.
*/
void mbedtls_test_get_entropy_alt_force(int fail, size_t forced_entropy_content);
#endif /* MBEDTLS_PLATFORM_GET_ENTROPY_ALT */
#endif /* FAKE_EXTERNAL_RNG_FOR_TEST_H */