/*

# Copyright 2016 Nikos Mavrogiannopoulos

#

# Licensed under the Apache License, Version 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.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

#

################################################################################

*/

#include <assert.h>

#include <stdint.h>

#include <gnutls/gnutls.h>

#include <gnutls/x509.h>

#include "fuzzer.h"

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)

{

  gnutls_datum_t raw;

  gnutls_x509_privkey_t key;

  gnutls_datum_t out;

  int ret;

  raw.data = (unsigned char *)data;

  raw.size = size;

  ret = gnutls_x509_privkey_init(&key);

  assert(ret >= 0);

  ret = gnutls_x509_privkey_import_pkcs8(key, &raw, GNUTLS_X509_FMT_DER,

                 "password", 0);

  if (ret < 0) {

    goto cleanup;

  }

  /* If properly loaded, try to re-export */

  ret = gnutls_x509_privkey_export2(key, GNUTLS_X509_FMT_DER, &out);

  if (ret < 0) {

    goto cleanup;

  }

  gnutls_free(out.data);

cleanup:

  gnutls_x509_privkey_deinit(key);

  return 0;

}