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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2023-01-11 14:50:10 +01:00
parent fd13a0f851
commit 449bd8303e
442 changed files with 86735 additions and 89438 deletions
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63
programs/fuzz/fuzz_privkey.c
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@ -15,7 +15,8 @@
const char *pers = "fuzz_privkey";
#endif // MBEDTLS_PK_PARSE_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_ENTROPY_C
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
{
#if defined(MBEDTLS_PK_PARSE_C) && defined(MBEDTLS_CTR_DRBG_C) && defined(MBEDTLS_ENTROPY_C)
int ret;
mbedtls_pk_context pk;
@ -27,64 +28,62 @@ int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
Size = MAX_LEN;
}
mbedtls_ctr_drbg_init( &ctr_drbg );
mbedtls_entropy_init( &entropy );
mbedtls_ctr_drbg_init(&ctr_drbg);
mbedtls_entropy_init(&entropy);
if( mbedtls_ctr_drbg_seed( &ctr_drbg, dummy_entropy, &entropy,
( const unsigned char * ) pers, strlen( pers ) ) != 0 )
if (mbedtls_ctr_drbg_seed(&ctr_drbg, dummy_entropy, &entropy,
(const unsigned char *) pers, strlen(pers)) != 0) {
return 1;
}
mbedtls_pk_init( &pk );
ret = mbedtls_pk_parse_key( &pk, Data, Size, NULL, 0,
dummy_random, &ctr_drbg );
mbedtls_pk_init(&pk);
ret = mbedtls_pk_parse_key(&pk, Data, Size, NULL, 0,
dummy_random, &ctr_drbg);
if (ret == 0) {
#if defined(MBEDTLS_RSA_C)
if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_RSA )
{
if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_RSA) {
mbedtls_mpi N, P, Q, D, E, DP, DQ, QP;
mbedtls_rsa_context *rsa;
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &DP );
mbedtls_mpi_init( &DQ ); mbedtls_mpi_init( &QP );
mbedtls_mpi_init(&N); mbedtls_mpi_init(&P); mbedtls_mpi_init(&Q);
mbedtls_mpi_init(&D); mbedtls_mpi_init(&E); mbedtls_mpi_init(&DP);
mbedtls_mpi_init(&DQ); mbedtls_mpi_init(&QP);
rsa = mbedtls_pk_rsa( pk );
if ( mbedtls_rsa_export( rsa, &N, &P, &Q, &D, &E ) != 0 ) {
rsa = mbedtls_pk_rsa(pk);
if (mbedtls_rsa_export(rsa, &N, &P, &Q, &D, &E) != 0) {
abort();
}
if ( mbedtls_rsa_export_crt( rsa, &DP, &DQ, &QP ) != 0 ) {
if (mbedtls_rsa_export_crt(rsa, &DP, &DQ, &QP) != 0) {
abort();
}
mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E ); mbedtls_mpi_free( &DP );
mbedtls_mpi_free( &DQ ); mbedtls_mpi_free( &QP );
}
else
mbedtls_mpi_free(&N); mbedtls_mpi_free(&P); mbedtls_mpi_free(&Q);
mbedtls_mpi_free(&D); mbedtls_mpi_free(&E); mbedtls_mpi_free(&DP);
mbedtls_mpi_free(&DQ); mbedtls_mpi_free(&QP);
} else
#endif
#if defined(MBEDTLS_ECP_C)
if( mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY ||
mbedtls_pk_get_type( &pk ) == MBEDTLS_PK_ECKEY_DH )
{
mbedtls_ecp_keypair *ecp = mbedtls_pk_ec( pk );
if (mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY ||
mbedtls_pk_get_type(&pk) == MBEDTLS_PK_ECKEY_DH) {
mbedtls_ecp_keypair *ecp = mbedtls_pk_ec(pk);
mbedtls_ecp_group_id grp_id = ecp->grp.id;
const mbedtls_ecp_curve_info *curve_info =
mbedtls_ecp_curve_info_from_grp_id( grp_id );
mbedtls_ecp_curve_info_from_grp_id(grp_id);
/* If the curve is not supported, the key should not have been
* accepted. */
if( curve_info == NULL )
abort( );
}
else
if (curve_info == NULL) {
abort();
}
} else
#endif
{
/* The key is valid but is not of a supported type.
* This should not happen. */
abort( );
abort();
}
}
mbedtls_pk_free( &pk );
mbedtls_pk_free(&pk);
#else
(void) Data;
(void) Size;