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/* Copyright (c) 2016, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <openssl/err.h>
#include <openssl/mem.h>
#include <openssl/x509.h>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len) {
X509 *x509 = d2i_X509(NULL, &buf, len);
if (x509 != NULL) {
/* Extract the public key. */
EVP_PKEY_free(X509_get_pubkey(x509));
/* Reserialize the structure. */
uint8_t *der = NULL;
i2d_X509(x509, &der);
OPENSSL_free(der);
}
X509_free(x509);
ERR_clear_error();
return 0;
}
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