commit 7d4bd6f15f801c8eabda769f3793335388ebd5ab
author Philippe Antoine <contact@catenacyber.fr> Wed Jan 22 14:13:08 2020 +0100
committer Philippe Antoine <contact@catenacyber.fr> Wed Jan 22 14:14:18 2020 +0100
tree a32814422333b3b8c19929b7531c660570db5f6a
parent 66070bc19d510fbe1164666c7cc949fb6a7bc965

Checks mbedtls_rsa_export_crt return in fuzz targets

programs/fuzz/fuzz_pubkey.c

diff --git a/programs/fuzz/fuzz_pubkey.c b/programs/fuzz/fuzz_pubkey.c
index 3a59125..e514958 100644
--- a/programs/fuzz/fuzz_pubkey.c
+++ b/programs/fuzz/fuzz_pubkey.c
@@ -23,7 +23,9 @@
             if ( mbedtls_rsa_export( rsa, &N, &P, &Q, &D, &E ) != 0 ) {
                 abort();
             }
-            ret = mbedtls_rsa_export_crt( rsa, &DP, &DQ, &QP );
+            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 );