2 * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL licenses, (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 * https://www.openssl.org/source/license.html
8 * or in the file LICENSE in the source distribution.
11 #include <openssl/x509.h>
12 #include <openssl/bio.h>
13 #include <openssl/err.h>
14 #include <openssl/rand.h>
17 #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
18 extern int rand_predictable;
20 #define ENTROPY_NEEDED 32
22 int FuzzerInitialize(int *argc, char ***argv)
24 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
26 CRYPTO_free_ex_index(0, -1);
27 RAND_add("", 1, ENTROPY_NEEDED);
30 #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
36 int FuzzerTestOneInput(const uint8_t *buf, size_t len)
38 const unsigned char *p = buf;
39 unsigned char *der = NULL;
41 X509 *x509 = d2i_X509(NULL, &p, len);
43 BIO *bio = BIO_new(BIO_s_null());
44 /* This will load and print the public key as well as extensions */
45 X509_print(bio, x509);
57 void FuzzerCleanup(void)