This is a port of cyaSSL 2.7.0.
Dependents: CyaSSL_DTLS_Cellular CyaSSL_DTLS_Ethernet
mpi_superclass.h
00001 /* mpi_superclass.h 00002 * 00003 * Copyright (C) 2006-2013 wolfSSL Inc. 00004 * 00005 * This file is part of CyaSSL. 00006 * 00007 * CyaSSL is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 2 of the License, or 00010 * (at your option) any later version. 00011 * 00012 * CyaSSL is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with this program; if not, write to the Free Software 00019 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 00020 */ 00021 00022 00023 /* super class file for PK algos */ 00024 00025 /* default ... include all MPI */ 00026 #define LTM_ALL 00027 00028 /* RSA only (does not support DH/DSA/ECC) */ 00029 /* #define SC_RSA_1 */ 00030 00031 /* For reference.... On an Athlon64 optimizing for speed... 00032 00033 LTM's mpi.o with all functions [striped] is 142KiB in size. 00034 00035 */ 00036 00037 /* Works for RSA only, mpi.o is 68KiB */ 00038 #ifdef SC_RSA_1 00039 #define BN_MP_SHRINK_C 00040 #define BN_MP_LCM_C 00041 #define BN_MP_PRIME_RANDOM_EX_C 00042 #define BN_MP_INVMOD_C 00043 #define BN_MP_GCD_C 00044 #define BN_MP_MOD_C 00045 #define BN_MP_MULMOD_C 00046 #define BN_MP_ADDMOD_C 00047 #define BN_MP_EXPTMOD_C 00048 #define BN_MP_SET_INT_C 00049 #define BN_MP_INIT_MULTI_C 00050 #define BN_MP_CLEAR_MULTI_C 00051 #define BN_MP_UNSIGNED_BIN_SIZE_C 00052 #define BN_MP_TO_UNSIGNED_BIN_C 00053 #define BN_MP_MOD_D_C 00054 #define BN_MP_PRIME_RABIN_MILLER_TRIALS_C 00055 #define BN_REVERSE_C 00056 #define BN_PRIME_TAB_C 00057 00058 /* other modifiers */ 00059 #define BN_MP_DIV_SMALL /* Slower division, not critical */ 00060 00061 /* here we are on the last pass so we turn things off. The functions classes are still there 00062 * but we remove them specifically from the build. This also invokes tweaks in functions 00063 * like removing support for even moduli, etc... 00064 */ 00065 #ifdef LTM_LAST 00066 #undef BN_MP_TOOM_MUL_C 00067 #undef BN_MP_TOOM_SQR_C 00068 #undef BN_MP_KARATSUBA_MUL_C 00069 #undef BN_MP_KARATSUBA_SQR_C 00070 #undef BN_MP_REDUCE_C 00071 #undef BN_MP_REDUCE_SETUP_C 00072 #undef BN_MP_DR_IS_MODULUS_C 00073 #undef BN_MP_DR_SETUP_C 00074 #undef BN_MP_DR_REDUCE_C 00075 #undef BN_MP_REDUCE_IS_2K_C 00076 #undef BN_MP_REDUCE_2K_SETUP_C 00077 #undef BN_MP_REDUCE_2K_C 00078 #undef BN_S_MP_EXPTMOD_C 00079 #undef BN_MP_DIV_3_C 00080 #undef BN_S_MP_MUL_HIGH_DIGS_C 00081 #undef BN_FAST_S_MP_MUL_HIGH_DIGS_C 00082 #undef BN_FAST_MP_INVMOD_C 00083 00084 /* To safely undefine these you have to make sure your RSA key won't exceed the Comba threshold 00085 * which is roughly 255 digits [7140 bits for 32-bit machines, 15300 bits for 64-bit machines] 00086 * which means roughly speaking you can handle upto 2536-bit RSA keys with these defined without 00087 * trouble. 00088 */ 00089 #undef BN_S_MP_MUL_DIGS_C 00090 #undef BN_S_MP_SQR_C 00091 #undef BN_MP_MONTGOMERY_REDUCE_C 00092 #endif 00093 00094 #endif 00095
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