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/*
 * Copyright (C) 2008-2012 Free Software Foundation, Inc.
 *
 * Author: David Marín Carreño
 *
 * This file is part of GnuTLS.
 *
 * GnuTLS is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * GnuTLS is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GnuTLS; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
#include <gnutls/abstract.h>

#include "utils.h"

#define MAX_TRIES 2

static int sec_param[MAX_TRIES] = {GNUTLS_SEC_PARAM_WEAK, GNUTLS_SEC_PARAM_NORMAL};

static void
tls_log_func (int level, const char *str)
{
    fprintf (stderr, "%s |<%d>| %s", "crq_key_id", level, str);
}

void
doit (void)
{
    gnutls_x509_privkey_t pkey;
    int ret, algorithm, i;

    ret = gnutls_global_init ();
    if (ret < 0)
        fail ("gnutls_global_init: %d\n", ret);

    gnutls_global_set_log_function (tls_log_func);
    if (debug)
        gnutls_global_set_log_level (4711);

    for (i = 0; i < MAX_TRIES; i++)
      {
          for (algorithm = GNUTLS_PK_RSA; algorithm <= GNUTLS_PK_EC;
               algorithm++)
            {
                if (algorithm == GNUTLS_PK_DH)
                    continue;

                ret = gnutls_x509_privkey_init (&pkey);
                if (ret < 0)
                  {
                      fail ("gnutls_x509_privkey_init: %d\n", ret);
                  }

                ret =
                    gnutls_x509_privkey_generate (pkey, algorithm,
                                                  gnutls_sec_param_to_pk_bits
                                                  (algorithm,
                                                   sec_param[i]),
                                                  0);
                if (ret < 0)
                  {
                      fail ("gnutls_x509_privkey_generate (%s): %s (%d)\n",
                            gnutls_pk_algorithm_get_name (algorithm),
                            gnutls_strerror (ret), ret);
                  }
                else if (debug)
                  {
                      success ("Key[%s] generation ok: %d\n",
                               gnutls_pk_algorithm_get_name (algorithm),
                               ret);
                  }

                ret = gnutls_x509_privkey_verify_params (pkey);
                if (ret < 0)
                  {
                      fail ("gnutls_x509_privkey_generate (%s): %s (%d)\n",
                            gnutls_pk_algorithm_get_name (algorithm),
                            gnutls_strerror (ret), ret);
                  }

                gnutls_x509_privkey_deinit (pkey);
            }
      }

    gnutls_global_deinit ();
}