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 2.1 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 <https://www.gnu.org/licenses/>
20 *
21 */
22
23 #ifndef GNUTLS_LIB_MPI_H
24 #define GNUTLS_LIB_MPI_H
25
26 #include "gnutls_int.h"
27
28 #include <crypto-backend.h>
29
30 extern int crypto_bigint_prio;
31 extern gnutls_crypto_bigint_st _gnutls_mpi_ops;
32
33 bigint_t _gnutls_mpi_random_modp(bigint_t, bigint_t p,
34 gnutls_rnd_level_t level);
35
36 #define _gnutls_mpi_init _gnutls_mpi_ops.bigint_init
37 #define _gnutls_mpi_init_multi _gnutls_mpi_ops.bigint_init_multi
38 #define _gnutls_mpi_clear _gnutls_mpi_ops.bigint_clear
39 #define _gnutls_mpi_cmp _gnutls_mpi_ops.bigint_cmp
40 #define _gnutls_mpi_cmp_ui _gnutls_mpi_ops.bigint_cmp_ui
41 #define _gnutls_mpi_mod _gnutls_mpi_ops.bigint_mod
42 #define _gnutls_mpi_modm _gnutls_mpi_ops.bigint_modm
43 #define _gnutls_mpi_set _gnutls_mpi_ops.bigint_set
44 #define _gnutls_mpi_set_ui _gnutls_mpi_ops.bigint_set_ui
45 #define _gnutls_mpi_get_nbits _gnutls_mpi_ops.bigint_get_nbits
46 #define _gnutls_mpi_powm _gnutls_mpi_ops.bigint_powm
47 #define _gnutls_mpi_addm _gnutls_mpi_ops.bigint_addm
48 #define _gnutls_mpi_subm _gnutls_mpi_ops.bigint_subm
49 #define _gnutls_mpi_mulm _gnutls_mpi_ops.bigint_mulm
50 #define _gnutls_mpi_add _gnutls_mpi_ops.bigint_add
51 #define _gnutls_mpi_sub _gnutls_mpi_ops.bigint_sub
52 #define _gnutls_mpi_mul _gnutls_mpi_ops.bigint_mul
53 #define _gnutls_mpi_div _gnutls_mpi_ops.bigint_div
54 #define _gnutls_mpi_add_ui _gnutls_mpi_ops.bigint_add_ui
55 #define _gnutls_mpi_sub_ui _gnutls_mpi_ops.bigint_sub_ui
56 #define _gnutls_mpi_mul_ui _gnutls_mpi_ops.bigint_mul_ui
57 #define _gnutls_prime_check _gnutls_mpi_ops.bigint_prime_check
58 #define _gnutls_mpi_print(x,y,z) _gnutls_mpi_ops.bigint_print(x,y,z,GNUTLS_MPI_FORMAT_USG)
59 #define _gnutls_mpi_print_lz(x,y,z) _gnutls_mpi_ops.bigint_print(x,y,z,GNUTLS_MPI_FORMAT_STD)
60 #define _gnutls_mpi_print_le(x,y,z) _gnutls_mpi_ops.bigint_print(x,y,z,GNUTLS_MPI_FORMAT_ULE)
61 #define _gnutls_mpi_copy _gnutls_mpi_ops.bigint_copy
62 #define _gnutls_mpi_scan(r, b, s) _gnutls_mpi_ops.bigint_scan(r, b, s, GNUTLS_MPI_FORMAT_USG)
63 #define _gnutls_mpi_scan_le(r, b, s) _gnutls_mpi_ops.bigint_scan(r, b, s, GNUTLS_MPI_FORMAT_ULE)
64
65 inline static
_gnutls_mpi_release(bigint_t * x)66 void _gnutls_mpi_release(bigint_t * x)
67 {
68 if (*x == NULL)
69 return;
70
71 _gnutls_mpi_ops.bigint_release(*x);
72 *x = NULL;
73 }
74
75 int _gnutls_mpi_init_scan(bigint_t * ret_mpi, const void *buffer,
76 size_t nbytes);
77 int _gnutls_mpi_init_scan_nz(bigint_t * ret_mpi, const void *buffer,
78 size_t nbytes);
79 int _gnutls_mpi_init_scan_le(bigint_t * ret_mpi, const void *buffer,
80 size_t nbytes);
81
82 int _gnutls_mpi_dprint_le(const bigint_t a, gnutls_datum_t * dest);
83 int _gnutls_mpi_dprint_lz(const bigint_t a, gnutls_datum_t * dest);
84 int _gnutls_mpi_dprint(const bigint_t a, gnutls_datum_t * dest);
85 int _gnutls_mpi_dprint_size(const bigint_t a, gnutls_datum_t * dest,
86 size_t size);
87 int _gnutls_mpi_bprint_size(const bigint_t a, uint8_t *buf, size_t size);
88
89 typedef int (*mpi_dprint_func)(const bigint_t a, gnutls_datum_t * dest);
90
91 #define _gnutls_mpi_generate_group( gg, bits) _gnutls_mpi_ops.bigint_generate_group( gg, bits)
92
93 #endif /* GNUTLS_LIB_MPI_H */
94