lib/gnutls_srp.h

   1 /*
   2  * Copyright (C) 2000-2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * The GnuTLS is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  20  *
  21  */
  22
  23 #ifdef ENABLE_SRP
  24
  25 bigint_t _gnutls_calc_srp_B (bigint_t * ret_b, bigint_t g, bigint_t n,
  26                              bigint_t v);
  27 bigint_t _gnutls_calc_srp_u (bigint_t A, bigint_t B, bigint_t N);
  28 bigint_t _gnutls_calc_srp_S1 (bigint_t A, bigint_t b, bigint_t u, bigint_t v,
  29                               bigint_t n);
  30 bigint_t _gnutls_calc_srp_A (bigint_t * a, bigint_t g, bigint_t n);
  31 bigint_t _gnutls_calc_srp_S2 (bigint_t B, bigint_t g, bigint_t x, bigint_t a,
  32                               bigint_t u, bigint_t n);
  33 int _gnutls_calc_srp_x (char *username, char *password, uint8_t * salt,
  34                         size_t salt_size, size_t * size, void *digest);
  35 int _gnutls_srp_gn (uint8_t ** ret_g, uint8_t ** ret_n, int bits);
  36
  37 /* g is defined to be 2 */
  38 #define SRP_MAX_HASH_SIZE 24
  39
  40 #endif