crapi.c

/*
 * Copyright 2010 Red Hat Inc., Durham, North Carolina.
 * All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * Authors:
 *      "Daniel Kopecek" <dkopecek@redhat.com>
 */

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

#include "crapi.h"

#if defined(HAVE_NSS3)
#include <nss.h>

int crapi_init (void *unused)
{
        return (NSS_NoDB_Init (NULL) == SECSuccess ? 0 : -1);
}
#elif defined(HAVE_GCRYPT)
#include <gcrypt.h>
int crapi_init (void *unused)
{
#ifdef HAVE_GCRYCTL_SET_ENFORCED_FIPS_FLAG
	gcry_control(GCRYCTL_SET_ENFORCED_FIPS_FLAG, 0);
#endif
        if (!gcry_check_version(GCRYPT_VERSION))
                return(-1);

        gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);

        return(0);
}
#elif defined(HAVE_OPENSSL_CRYPTO)
#include <openssl/evp.h>
#include <openssl/opensslv.h>
int crapi_init (void *unused)
{
#if OPENSSL_VERSION_NUMBER < 0x10100000L
        /* OpenSSL < 1.1.0 requires explicit digest algorithm registration. */
        OpenSSL_add_all_digests();
#endif
        return 0;
}
#else
int crapi_init (void *unused)
{
        return (0);
}
#endif