| /* mpi_superclass.h |
| * |
| * Copyright (C) 2006-2015 wolfSSL Inc. |
| * |
| * This file is part of wolfSSL. (formerly known as CyaSSL) |
| * |
| * wolfSSL is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * wolfSSL is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| |
| /* super class file for PK algos */ |
| |
| /* default ... include all MPI */ |
| #define LTM_ALL |
| |
| /* RSA only (does not support DH/DSA/ECC) */ |
| /* #define SC_RSA_1 */ |
| |
| /* For reference.... On an Athlon64 optimizing for speed... |
| |
| LTM's mpi.o with all functions [striped] is 142KiB in size. |
| |
| */ |
| |
| /* Works for RSA only, mpi.o is 68KiB */ |
| #ifdef SC_RSA_1 |
| #define BN_MP_SHRINK_C |
| #define BN_MP_LCM_C |
| #define BN_MP_PRIME_RANDOM_EX_C |
| #define BN_MP_INVMOD_C |
| #define BN_MP_GCD_C |
| #define BN_MP_MOD_C |
| #define BN_MP_MULMOD_C |
| #define BN_MP_ADDMOD_C |
| #define BN_MP_EXPTMOD_C |
| #define BN_MP_SET_INT_C |
| #define BN_MP_INIT_MULTI_C |
| #define BN_MP_CLEAR_MULTI_C |
| #define BN_MP_UNSIGNED_BIN_SIZE_C |
| #define BN_MP_TO_UNSIGNED_BIN_C |
| #define BN_MP_MOD_D_C |
| #define BN_MP_PRIME_RABIN_MILLER_TRIALS_C |
| #define BN_REVERSE_C |
| #define BN_PRIME_TAB_C |
| |
| /* other modifiers */ |
| #define BN_MP_DIV_SMALL /* Slower division, not critical */ |
| |
| /* here we are on the last pass so we turn things off. The functions classes are still there |
| * but we remove them specifically from the build. This also invokes tweaks in functions |
| * like removing support for even moduli, etc... |
| */ |
| #ifdef LTM_LAST |
| #undef BN_MP_TOOM_MUL_C |
| #undef BN_MP_TOOM_SQR_C |
| #undef BN_MP_KARATSUBA_MUL_C |
| #undef BN_MP_KARATSUBA_SQR_C |
| #undef BN_MP_REDUCE_C |
| #undef BN_MP_REDUCE_SETUP_C |
| #undef BN_MP_DR_IS_MODULUS_C |
| #undef BN_MP_DR_SETUP_C |
| #undef BN_MP_DR_REDUCE_C |
| #undef BN_MP_REDUCE_IS_2K_C |
| #undef BN_MP_REDUCE_2K_SETUP_C |
| #undef BN_MP_REDUCE_2K_C |
| #undef BN_S_MP_EXPTMOD_C |
| #undef BN_MP_DIV_3_C |
| #undef BN_S_MP_MUL_HIGH_DIGS_C |
| #undef BN_FAST_S_MP_MUL_HIGH_DIGS_C |
| #undef BN_FAST_MP_INVMOD_C |
| |
| /* To safely undefine these you have to make sure your RSA key won't exceed the Comba threshold |
| * which is roughly 255 digits [7140 bits for 32-bit machines, 15300 bits for 64-bit machines] |
| * which means roughly speaking you can handle upto 2536-bit RSA keys with these defined without |
| * trouble. |
| */ |
| #undef BN_S_MP_MUL_DIGS_C |
| #undef BN_S_MP_SQR_C |
| #undef BN_MP_MONTGOMERY_REDUCE_C |
| #endif |
| |
| #endif |
| |
