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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 <http://www.gnu.org/licenses/>
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*
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*/
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#ifndef _SRP_H
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# define _SRP_H
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#include <config.h>
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#ifdef ENABLE_SRP
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bigint_t _gnutls_calc_srp_B(bigint_t * ret_b, bigint_t g, bigint_t n,
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bigint_t v);
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bigint_t _gnutls_calc_srp_u(bigint_t A, bigint_t B, bigint_t N);
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bigint_t _gnutls_calc_srp_S1(bigint_t A, bigint_t b, bigint_t u,
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bigint_t v, bigint_t n);
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bigint_t _gnutls_calc_srp_A(bigint_t * a, bigint_t g, bigint_t n);
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bigint_t _gnutls_calc_srp_S2(bigint_t B, bigint_t g, bigint_t x,
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bigint_t a, bigint_t u, bigint_t n);
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int _gnutls_calc_srp_x(char *username, char *password, uint8_t * salt,
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size_t salt_size, size_t * size, void *digest);
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int _gnutls_srp_gn(uint8_t ** ret_g, uint8_t ** ret_n, int bits);
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/* g is defined to be 2 */
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#define SRP_MAX_HASH_SIZE 24
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#endif
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#endif
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