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Remove Deprecated Items From Sample Programs

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Remove the drbg module and entropy functions from the sample programs as these are
now handled by their PSA equivalents

Signed-off-by: Ben Taylor <ben.taylor@linaro.org>
This commit is contained in:
Ben Taylor
2026-01-02 09:13:28 +00:00
parent 69e117fee0
commit fe978ac1f3
35 changed files with 37 additions and 579 deletions
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27
programs/fuzz/fuzz_client.c
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@@ -1,8 +1,4 @@
#define MBEDTLS_DECLARE_PRIVATE_IDENTIFIERS
#include "mbedtls/ssl.h"
#include "mbedtls/private/entropy.h"
#include "mbedtls/private/ctr_drbg.h"
#include "test/certs.h"
#include "fuzz_common.h"
#include <string.h>
@@ -10,9 +6,7 @@
#include <stdint.h>
#if defined(MBEDTLS_SSL_CLI_C) && \
defined(MBEDTLS_ENTROPY_C) && \
defined(MBEDTLS_CTR_DRBG_C)
#if defined(MBEDTLS_SSL_CLI_C)
static int initialized = 0;
#if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_PEM_PARSE_C)
static mbedtls_x509_crt cacert;
@@ -29,20 +23,16 @@ const char psk_id[] = "Client_identity";
#endif
const char *pers = "fuzz_client";
#endif /* MBEDTLS_SSL_CLI_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
#endif /* MBEDTLS_SSL_CLI_C */
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
{
#if defined(MBEDTLS_SSL_CLI_C) && \
defined(MBEDTLS_ENTROPY_C) && \
defined(MBEDTLS_CTR_DRBG_C)
#if defined(MBEDTLS_SSL_CLI_C)
int ret;
size_t len;
mbedtls_ssl_context ssl;
mbedtls_ssl_config conf;
mbedtls_ctr_drbg_context ctr_drbg;
mbedtls_entropy_context entropy;
unsigned char buf[4096];
fuzzBufferOffset_t biomemfuzz;
uint16_t options;
@@ -75,19 +65,12 @@ int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
mbedtls_ssl_init(&ssl);
mbedtls_ssl_config_init(&conf);
mbedtls_ctr_drbg_init(&ctr_drbg);
mbedtls_entropy_init(&entropy);
psa_status_t status = psa_crypto_init();
if (status != PSA_SUCCESS) {
goto exit;
}
if (mbedtls_ctr_drbg_seed(&ctr_drbg, dummy_entropy, &entropy,
(const unsigned char *) pers, strlen(pers)) != 0) {
goto exit;
}
if (mbedtls_ssl_config_defaults(&conf,
MBEDTLS_SSL_IS_CLIENT,
MBEDTLS_SSL_TRANSPORT_STREAM,
@@ -173,8 +156,6 @@ int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
}
exit:
mbedtls_entropy_free(&entropy);
mbedtls_ctr_drbg_free(&ctr_drbg);
mbedtls_ssl_config_free(&conf);
mbedtls_ssl_free(&ssl);
mbedtls_psa_crypto_free();
@@ -182,7 +163,7 @@ exit:
#else
(void) Data;
(void) Size;
#endif /* MBEDTLS_SSL_CLI_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C */
#endif /* MBEDTLS_SSL_CLI_C */
return 0;
}