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/*
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* Copyright (C) 2000-2012 Free Software Foundation, Inc.
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*
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* Author: Nikos Mavrogiannopoulos
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*
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* This file is part of GnuTLS.
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*
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* The GnuTLS is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>
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*
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*/
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#ifndef GNUTLS_LIB_CONSTATE_H
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#define GNUTLS_LIB_CONSTATE_H
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int _gnutls_set_cipher_suite2(gnutls_session_t session,
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const gnutls_cipher_suite_entry_st *cs);
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int _gnutls_epoch_set_keys(gnutls_session_t session, uint16_t epoch, hs_stage_t stage);
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int _gnutls_connection_state_init(gnutls_session_t session);
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int _gnutls_read_connection_state_init(gnutls_session_t session);
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int _gnutls_write_connection_state_init(gnutls_session_t session);
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#define _gnutls_epoch_bump(session) \
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(session)->security_parameters.epoch_next++
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int _gnutls_epoch_dup(gnutls_session_t session, unsigned int epoch_rel);
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int _gnutls_epoch_get(gnutls_session_t session, unsigned int epoch_rel,
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record_parameters_st ** params_out);
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int _gnutls_epoch_setup_next(gnutls_session_t session, unsigned null_epoch, record_parameters_st **newp);
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void _gnutls_epoch_gc(gnutls_session_t session);
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void _gnutls_epoch_free(gnutls_session_t session,
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record_parameters_st * state);
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void _gnutls_set_resumed_parameters(gnutls_session_t session);
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int _tls13_connection_state_init(gnutls_session_t session, hs_stage_t stage);
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int _tls13_read_connection_state_init(gnutls_session_t session, hs_stage_t stage);
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int _tls13_write_connection_state_init(gnutls_session_t session, hs_stage_t stage);
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static inline int _gnutls_epoch_is_valid(gnutls_session_t session,
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int epoch)
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{
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record_parameters_st *params;
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int ret;
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ret = _gnutls_epoch_get(session, epoch, ¶ms);
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if (ret < 0)
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return 0;
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return 1;
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}
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static inline int _gnutls_epoch_refcount_inc(gnutls_session_t session,
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int epoch)
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{
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record_parameters_st *params;
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int ret;
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ret = _gnutls_epoch_get(session, epoch, ¶ms);
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if (ret < 0)
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return ret;
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params->usage_cnt++;
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return params->epoch;
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}
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static inline int _gnutls_epoch_refcount_dec(gnutls_session_t session,
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uint16_t epoch)
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{
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record_parameters_st *params;
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int ret;
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ret = _gnutls_epoch_get(session, epoch, ¶ms);
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if (ret < 0)
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return ret;
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params->usage_cnt--;
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if (params->usage_cnt < 0)
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return GNUTLS_E_INTERNAL_ERROR;
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return 0;
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}
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#endif /* GNUTLS_LIB_CONSTATE_H */
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