fork of cyassl-lib
Dependents: TLS_cyassl TLS_cyassl
cyassl/ctaocrypt/mpi_superclass.h
- Committer:
- ashleymills
- Date:
- 2013-09-05
- Revision:
- 0:714293de3836
File content as of revision 0:714293de3836:
/* mpi_superclass.h * * Copyright (C) 2006-2013 wolfSSL Inc. * * This file is part of CyaSSL. * * CyaSSL 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. * * CyaSSL 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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