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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2023-01-11 14:52:35 +01:00
parent 480f683d15
commit 1b6c09a62e
391 changed files with 73134 additions and 75084 deletions
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59
programs/fuzz/fuzz_pubkey.c
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@@ -2,70 +2,69 @@
#include <stdlib.h>
#include "mbedtls/pk.h"
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
{
#ifdef MBEDTLS_PK_PARSE_C
int ret;
mbedtls_pk_context pk;
mbedtls_pk_init( &pk );
ret = mbedtls_pk_parse_public_key( &pk, Data, Size );
mbedtls_pk_init(&pk);
ret = mbedtls_pk_parse_public_key(&pk, Data, Size);
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, NULL, NULL, NULL, &E ) != 0 ) {
rsa = mbedtls_pk_rsa(pk);
if (mbedtls_rsa_export(rsa, &N, NULL, NULL, NULL, &E) != 0) {
abort();
}
if ( mbedtls_rsa_export( rsa, &N, &P, &Q, &D, &E ) != MBEDTLS_ERR_RSA_BAD_INPUT_DATA ) {
if (mbedtls_rsa_export(rsa, &N, &P, &Q, &D, &E) != MBEDTLS_ERR_RSA_BAD_INPUT_DATA) {
abort();
}
if ( mbedtls_rsa_export_crt( rsa, &DP, &DQ, &QP ) != MBEDTLS_ERR_RSA_BAD_INPUT_DATA ) {
if (mbedtls_rsa_export_crt(rsa, &DP, &DQ, &QP) != MBEDTLS_ERR_RSA_BAD_INPUT_DATA) {
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 );
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
} 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( );
if (curve_info == NULL) {
abort();
}
/* It's a public key, so the private value should not have
* been changed from its initialization to 0. */
if( mbedtls_mpi_cmp_int( &ecp->d, 0 ) != 0 )
abort( );
}
else
if (mbedtls_mpi_cmp_int(&ecp->d, 0) != 0) {
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;