source: UsbWattMeter/trunk/wolfssl-3.7.0/wolfssl/wolfcrypt/mpi_superclass.h@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 6 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加

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File size: 3.0 KB
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1/* mpi_superclass.h
2 *
3 * Copyright (C) 2006-2015 wolfSSL Inc.
4 *
5 * This file is part of wolfSSL. (formerly known as CyaSSL)
6 *
7 * wolfSSL is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * wolfSSL is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22
23/* super class file for PK algos */
24
25/* default ... include all MPI */
26#define LTM_ALL
27
28/* RSA only (does not support DH/DSA/ECC) */
29/* #define SC_RSA_1 */
30
31/* For reference.... On an Athlon64 optimizing for speed...
32
33 LTM's mpi.o with all functions [striped] is 142KiB in size.
34
35*/
36
37/* Works for RSA only, mpi.o is 68KiB */
38#ifdef SC_RSA_1
39 #define BN_MP_SHRINK_C
40 #define BN_MP_LCM_C
41 #define BN_MP_PRIME_RANDOM_EX_C
42 #define BN_MP_INVMOD_C
43 #define BN_MP_GCD_C
44 #define BN_MP_MOD_C
45 #define BN_MP_MULMOD_C
46 #define BN_MP_ADDMOD_C
47 #define BN_MP_EXPTMOD_C
48 #define BN_MP_SET_INT_C
49 #define BN_MP_INIT_MULTI_C
50 #define BN_MP_CLEAR_MULTI_C
51 #define BN_MP_UNSIGNED_BIN_SIZE_C
52 #define BN_MP_TO_UNSIGNED_BIN_C
53 #define BN_MP_MOD_D_C
54 #define BN_MP_PRIME_RABIN_MILLER_TRIALS_C
55 #define BN_REVERSE_C
56 #define BN_PRIME_TAB_C
57
58 /* other modifiers */
59 #define BN_MP_DIV_SMALL /* Slower division, not critical */
60
61 /* here we are on the last pass so we turn things off. The functions classes are still there
62 * but we remove them specifically from the build. This also invokes tweaks in functions
63 * like removing support for even moduli, etc...
64 */
65#ifdef LTM_LAST
66 #undef BN_MP_TOOM_MUL_C
67 #undef BN_MP_TOOM_SQR_C
68 #undef BN_MP_KARATSUBA_MUL_C
69 #undef BN_MP_KARATSUBA_SQR_C
70 #undef BN_MP_REDUCE_C
71 #undef BN_MP_REDUCE_SETUP_C
72 #undef BN_MP_DR_IS_MODULUS_C
73 #undef BN_MP_DR_SETUP_C
74 #undef BN_MP_DR_REDUCE_C
75 #undef BN_MP_REDUCE_IS_2K_C
76 #undef BN_MP_REDUCE_2K_SETUP_C
77 #undef BN_MP_REDUCE_2K_C
78 #undef BN_S_MP_EXPTMOD_C
79 #undef BN_MP_DIV_3_C
80 #undef BN_S_MP_MUL_HIGH_DIGS_C
81 #undef BN_FAST_S_MP_MUL_HIGH_DIGS_C
82 #undef BN_FAST_MP_INVMOD_C
83
84 /* To safely undefine these you have to make sure your RSA key won't exceed the Comba threshold
85 * which is roughly 255 digits [7140 bits for 32-bit machines, 15300 bits for 64-bit machines]
86 * which means roughly speaking you can handle upto 2536-bit RSA keys with these defined without
87 * trouble.
88 */
89 #undef BN_S_MP_MUL_DIGS_C
90 #undef BN_S_MP_SQR_C
91 #undef BN_MP_MONTGOMERY_REDUCE_C
92#endif
93
94#endif
95
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