A local copy of OpenSSL from GitHub
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
* Licensed under the Apache License 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* https://www.openssl.org/source/license.html
* or in the file LICENSE in the source distribution.
* Fuzz the parser used for dumping ASN.1 using "openssl asn1parse".
#include <stdio.h>
#include <openssl/asn1.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/err.h>
#include "fuzzer.h"
static BIO *bio_out;
int FuzzerInitialize(int *argc, char ***argv)
bio_out = BIO_new_file("/dev/null", "w");
CRYPTO_free_ex_index(0, -1);
return 1;
int FuzzerTestOneInput(const uint8_t *buf, size_t len)
(void)ASN1_parse_dump(bio_out, buf, len, 0, 0);
return 0;
void FuzzerCleanup(void)