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/*
* Copyright (C) 2013 Red Hat
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* The GnuTLS 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 program. If not, see <http://www.gnu.org/licenses/>
*
*/
#ifndef FIPS_H
# define FIPS_H
#include <gnutls_int.h>
#include <gnutls/gnutls.h>
#define FIPS140_RND_KEY_SIZE 32
typedef enum {
LIB_STATE_POWERON,
LIB_STATE_INIT,
LIB_STATE_SELFTEST,
LIB_STATE_OPERATIONAL,
LIB_STATE_ERROR,
LIB_STATE_SHUTDOWN
} gnutls_lib_state_t;
/* do not access directly */
extern unsigned int _gnutls_lib_mode;
extern gnutls_crypto_rnd_st _gnutls_fips_rnd_ops;
inline static
void _gnutls_switch_lib_state(gnutls_lib_state_t state)
{
/* Once into zombie state no errors can change us */
_gnutls_lib_mode = state;
}
inline static gnutls_lib_state_t _gnutls_get_lib_state(void)
{
return _gnutls_lib_mode;
}
int _gnutls_fips_perform_self_checks1(void);
int _gnutls_fips_perform_self_checks2(void);
#ifdef ENABLE_FIPS140
unsigned _gnutls_fips_mode_enabled(void);
#else
# define _gnutls_fips_mode_enabled() 0
#endif
# define FAIL_IF_LIB_ERROR \
if (_gnutls_get_lib_state() != LIB_STATE_OPERATIONAL && \
_gnutls_get_lib_state() != LIB_STATE_SELFTEST) \
return GNUTLS_E_LIB_IN_ERROR_STATE
void _gnutls_switch_lib_state(gnutls_lib_state_t state);
void _gnutls_lib_simulate_error(void);
#endif /* FIPS_H */
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