Francois Berder / cyassl-lib

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cyassl/ctaocrypt/mpi_superclass.h@4:f377303c41be, 2013-09-16 (annotated)

Committer:
feb11
Date:
Mon Sep 16 09:53:35 2013 +0000
Revision:
4:f377303c41be
Parent:
0:714293de3836 
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Who changed what in which revision?

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ashleymills 0:714293de3836 1 /* mpi_superclass.h
ashleymills 0:714293de3836 2 *
ashleymills 0:714293de3836 3 * Copyright (C) 2006-2013 wolfSSL Inc.
ashleymills 0:714293de3836 4 *
ashleymills 0:714293de3836 5 * This file is part of CyaSSL.
ashleymills 0:714293de3836 6 *
ashleymills 0:714293de3836 7 * CyaSSL is free software; you can redistribute it and/or modify
ashleymills 0:714293de3836 8 * it under the terms of the GNU General Public License as published by
ashleymills 0:714293de3836 9 * the Free Software Foundation; either version 2 of the License, or
ashleymills 0:714293de3836 10 * (at your option) any later version.
ashleymills 0:714293de3836 11 *
ashleymills 0:714293de3836 12 * CyaSSL is distributed in the hope that it will be useful,
ashleymills 0:714293de3836 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
ashleymills 0:714293de3836 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
ashleymills 0:714293de3836 15 * GNU General Public License for more details.
ashleymills 0:714293de3836 16 *
ashleymills 0:714293de3836 17 * You should have received a copy of the GNU General Public License
ashleymills 0:714293de3836 18 * along with this program; if not, write to the Free Software
ashleymills 0:714293de3836 19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
ashleymills 0:714293de3836 20 */
ashleymills 0:714293de3836 21
ashleymills 0:714293de3836 22
ashleymills 0:714293de3836 23 /* super class file for PK algos */
ashleymills 0:714293de3836 24
ashleymills 0:714293de3836 25 /* default ... include all MPI */
ashleymills 0:714293de3836 26 #define LTM_ALL
ashleymills 0:714293de3836 27
ashleymills 0:714293de3836 28 /* RSA only (does not support DH/DSA/ECC) */
ashleymills 0:714293de3836 29 /* #define SC_RSA_1 */
ashleymills 0:714293de3836 30
ashleymills 0:714293de3836 31 /* For reference.... On an Athlon64 optimizing for speed...
ashleymills 0:714293de3836 32
ashleymills 0:714293de3836 33 LTM's mpi.o with all functions [striped] is 142KiB in size.
ashleymills 0:714293de3836 34
ashleymills 0:714293de3836 35 */
ashleymills 0:714293de3836 36
ashleymills 0:714293de3836 37 /* Works for RSA only, mpi.o is 68KiB */
ashleymills 0:714293de3836 38 #ifdef SC_RSA_1
ashleymills 0:714293de3836 39 #define BN_MP_SHRINK_C
ashleymills 0:714293de3836 40 #define BN_MP_LCM_C
ashleymills 0:714293de3836 41 #define BN_MP_PRIME_RANDOM_EX_C
ashleymills 0:714293de3836 42 #define BN_MP_INVMOD_C
ashleymills 0:714293de3836 43 #define BN_MP_GCD_C
ashleymills 0:714293de3836 44 #define BN_MP_MOD_C
ashleymills 0:714293de3836 45 #define BN_MP_MULMOD_C
ashleymills 0:714293de3836 46 #define BN_MP_ADDMOD_C
ashleymills 0:714293de3836 47 #define BN_MP_EXPTMOD_C
ashleymills 0:714293de3836 48 #define BN_MP_SET_INT_C
ashleymills 0:714293de3836 49 #define BN_MP_INIT_MULTI_C
ashleymills 0:714293de3836 50 #define BN_MP_CLEAR_MULTI_C
ashleymills 0:714293de3836 51 #define BN_MP_UNSIGNED_BIN_SIZE_C
ashleymills 0:714293de3836 52 #define BN_MP_TO_UNSIGNED_BIN_C
ashleymills 0:714293de3836 53 #define BN_MP_MOD_D_C
ashleymills 0:714293de3836 54 #define BN_MP_PRIME_RABIN_MILLER_TRIALS_C
ashleymills 0:714293de3836 55 #define BN_REVERSE_C
ashleymills 0:714293de3836 56 #define BN_PRIME_TAB_C
ashleymills 0:714293de3836 57
ashleymills 0:714293de3836 58 /* other modifiers */
ashleymills 0:714293de3836 59 #define BN_MP_DIV_SMALL /* Slower division, not critical */
ashleymills 0:714293de3836 60
ashleymills 0:714293de3836 61 /* here we are on the last pass so we turn things off. The functions classes are still there
ashleymills 0:714293de3836 62 * but we remove them specifically from the build. This also invokes tweaks in functions
ashleymills 0:714293de3836 63 * like removing support for even moduli, etc...
ashleymills 0:714293de3836 64 */
ashleymills 0:714293de3836 65 #ifdef LTM_LAST
ashleymills 0:714293de3836 66 #undef BN_MP_TOOM_MUL_C
ashleymills 0:714293de3836 67 #undef BN_MP_TOOM_SQR_C
ashleymills 0:714293de3836 68 #undef BN_MP_KARATSUBA_MUL_C
ashleymills 0:714293de3836 69 #undef BN_MP_KARATSUBA_SQR_C
ashleymills 0:714293de3836 70 #undef BN_MP_REDUCE_C
ashleymills 0:714293de3836 71 #undef BN_MP_REDUCE_SETUP_C
ashleymills 0:714293de3836 72 #undef BN_MP_DR_IS_MODULUS_C
ashleymills 0:714293de3836 73 #undef BN_MP_DR_SETUP_C
ashleymills 0:714293de3836 74 #undef BN_MP_DR_REDUCE_C
ashleymills 0:714293de3836 75 #undef BN_MP_REDUCE_IS_2K_C
ashleymills 0:714293de3836 76 #undef BN_MP_REDUCE_2K_SETUP_C
ashleymills 0:714293de3836 77 #undef BN_MP_REDUCE_2K_C
ashleymills 0:714293de3836 78 #undef BN_S_MP_EXPTMOD_C
ashleymills 0:714293de3836 79 #undef BN_MP_DIV_3_C
ashleymills 0:714293de3836 80 #undef BN_S_MP_MUL_HIGH_DIGS_C
ashleymills 0:714293de3836 81 #undef BN_FAST_S_MP_MUL_HIGH_DIGS_C
ashleymills 0:714293de3836 82 #undef BN_FAST_MP_INVMOD_C
ashleymills 0:714293de3836 83
ashleymills 0:714293de3836 84 /* To safely undefine these you have to make sure your RSA key won't exceed the Comba threshold
ashleymills 0:714293de3836 85 * which is roughly 255 digits [7140 bits for 32-bit machines, 15300 bits for 64-bit machines]
ashleymills 0:714293de3836 86 * which means roughly speaking you can handle upto 2536-bit RSA keys with these defined without
ashleymills 0:714293de3836 87 * trouble.
ashleymills 0:714293de3836 88 */
ashleymills 0:714293de3836 89 #undef BN_S_MP_MUL_DIGS_C
ashleymills 0:714293de3836 90 #undef BN_S_MP_SQR_C
ashleymills 0:714293de3836 91 #undef BN_MP_MONTGOMERY_REDUCE_C
ashleymills 0:714293de3836 92 #endif
ashleymills 0:714293de3836 93
ashleymills 0:714293de3836 94 #endif
ashleymills 0:714293de3836 95