wolf SSL / wolfSSL

wolfSSL SSL/TLS library, support up to TLS1.3

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wolfssl/wolfcrypt/mpi_superclass.h@13:f67a6c6013ca, 2017-08-22 (annotated)

Committer:
wolfSSL
Date:
Tue Aug 22 10:48:22 2017 +0000
Revision:
13:f67a6c6013ca
Parent:
4:1b0d80432c79 
wolfSSL3.12.0 with TLS1.3

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 4:1b0d80432c79 1 /* mpi_superclass.h
wolfSSL 4:1b0d80432c79 2 *
wolfSSL 4:1b0d80432c79 3 * Copyright (C) 2006-2016 wolfSSL Inc.
wolfSSL 4:1b0d80432c79 4 *
wolfSSL 4:1b0d80432c79 5 * This file is part of wolfSSL.
wolfSSL 4:1b0d80432c79 6 *
wolfSSL 4:1b0d80432c79 7 * wolfSSL is free software; you can redistribute it and/or modify
wolfSSL 4:1b0d80432c79 8 * it under the terms of the GNU General Public License as published by
wolfSSL 4:1b0d80432c79 9 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 4:1b0d80432c79 10 * (at your option) any later version.
wolfSSL 4:1b0d80432c79 11 *
wolfSSL 4:1b0d80432c79 12 * wolfSSL is distributed in the hope that it will be useful,
wolfSSL 4:1b0d80432c79 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 4:1b0d80432c79 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 4:1b0d80432c79 15 * GNU General Public License for more details.
wolfSSL 4:1b0d80432c79 16 *
wolfSSL 4:1b0d80432c79 17 * You should have received a copy of the GNU General Public License
wolfSSL 4:1b0d80432c79 18 * along with this program; if not, write to the Free Software
wolfSSL 4:1b0d80432c79 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
wolfSSL 4:1b0d80432c79 20 */
wolfSSL 4:1b0d80432c79 21
wolfSSL 4:1b0d80432c79 22
wolfSSL 4:1b0d80432c79 23
wolfSSL 4:1b0d80432c79 24 /* super class file for PK algos */
wolfSSL 4:1b0d80432c79 25
wolfSSL 4:1b0d80432c79 26 /* default ... include all MPI */
wolfSSL 4:1b0d80432c79 27 #define LTM_ALL
wolfSSL 4:1b0d80432c79 28
wolfSSL 4:1b0d80432c79 29 /* RSA only (does not support DH/DSA/ECC) */
wolfSSL 4:1b0d80432c79 30 /* #define SC_RSA_1 */
wolfSSL 4:1b0d80432c79 31
wolfSSL 4:1b0d80432c79 32 /* For reference.... On an Athlon64 optimizing for speed...
wolfSSL 4:1b0d80432c79 33
wolfSSL 4:1b0d80432c79 34 LTM's mpi.o with all functions [striped] is 142KiB in size.
wolfSSL 4:1b0d80432c79 35
wolfSSL 4:1b0d80432c79 36 */
wolfSSL 4:1b0d80432c79 37
wolfSSL 4:1b0d80432c79 38 /* Works for RSA only, mpi.o is 68KiB */
wolfSSL 4:1b0d80432c79 39 #ifdef SC_RSA_1
wolfSSL 4:1b0d80432c79 40 #define BN_MP_SHRINK_C
wolfSSL 4:1b0d80432c79 41 #define BN_MP_LCM_C
wolfSSL 4:1b0d80432c79 42 #define BN_MP_PRIME_RANDOM_EX_C
wolfSSL 4:1b0d80432c79 43 #define BN_MP_INVMOD_C
wolfSSL 4:1b0d80432c79 44 #define BN_MP_GCD_C
wolfSSL 4:1b0d80432c79 45 #define BN_MP_MOD_C
wolfSSL 4:1b0d80432c79 46 #define BN_MP_MULMOD_C
wolfSSL 4:1b0d80432c79 47 #define BN_MP_ADDMOD_C
wolfSSL 4:1b0d80432c79 48 #define BN_MP_EXPTMOD_C
wolfSSL 4:1b0d80432c79 49 #define BN_MP_SET_INT_C
wolfSSL 4:1b0d80432c79 50 #define BN_MP_INIT_MULTI_C
wolfSSL 4:1b0d80432c79 51 #define BN_MP_CLEAR_MULTI_C
wolfSSL 4:1b0d80432c79 52 #define BN_MP_UNSIGNED_BIN_SIZE_C
wolfSSL 4:1b0d80432c79 53 #define BN_MP_TO_UNSIGNED_BIN_C
wolfSSL 4:1b0d80432c79 54 #define BN_MP_MOD_D_C
wolfSSL 4:1b0d80432c79 55 #define BN_MP_PRIME_RABIN_MILLER_TRIALS_C
wolfSSL 4:1b0d80432c79 56 #define BN_REVERSE_C
wolfSSL 4:1b0d80432c79 57 #define BN_PRIME_TAB_C
wolfSSL 4:1b0d80432c79 58
wolfSSL 4:1b0d80432c79 59 /* other modifiers */
wolfSSL 4:1b0d80432c79 60 #define BN_MP_DIV_SMALL /* Slower division, not critical */
wolfSSL 4:1b0d80432c79 61
wolfSSL 4:1b0d80432c79 62 /* here we are on the last pass so we turn things off. The functions classes are still there
wolfSSL 4:1b0d80432c79 63 * but we remove them specifically from the build. This also invokes tweaks in functions
wolfSSL 4:1b0d80432c79 64 * like removing support for even moduli, etc...
wolfSSL 4:1b0d80432c79 65 */
wolfSSL 4:1b0d80432c79 66 #ifdef LTM_LAST
wolfSSL 4:1b0d80432c79 67 #undef BN_MP_TOOM_MUL_C
wolfSSL 4:1b0d80432c79 68 #undef BN_MP_TOOM_SQR_C
wolfSSL 4:1b0d80432c79 69 #undef BN_MP_KARATSUBA_MUL_C
wolfSSL 4:1b0d80432c79 70 #undef BN_MP_KARATSUBA_SQR_C
wolfSSL 4:1b0d80432c79 71 #undef BN_MP_REDUCE_C
wolfSSL 4:1b0d80432c79 72 #undef BN_MP_REDUCE_SETUP_C
wolfSSL 4:1b0d80432c79 73 #undef BN_MP_DR_IS_MODULUS_C
wolfSSL 4:1b0d80432c79 74 #undef BN_MP_DR_SETUP_C
wolfSSL 4:1b0d80432c79 75 #undef BN_MP_DR_REDUCE_C
wolfSSL 4:1b0d80432c79 76 #undef BN_MP_REDUCE_IS_2K_C
wolfSSL 4:1b0d80432c79 77 #undef BN_MP_REDUCE_2K_SETUP_C
wolfSSL 4:1b0d80432c79 78 #undef BN_MP_REDUCE_2K_C
wolfSSL 4:1b0d80432c79 79 #undef BN_S_MP_EXPTMOD_C
wolfSSL 4:1b0d80432c79 80 #undef BN_MP_DIV_3_C
wolfSSL 4:1b0d80432c79 81 #undef BN_S_MP_MUL_HIGH_DIGS_C
wolfSSL 4:1b0d80432c79 82 #undef BN_FAST_S_MP_MUL_HIGH_DIGS_C
wolfSSL 4:1b0d80432c79 83 #undef BN_FAST_MP_INVMOD_C
wolfSSL 4:1b0d80432c79 84
wolfSSL 4:1b0d80432c79 85 /* To safely undefine these you have to make sure your RSA key won't exceed the Comba threshold
wolfSSL 4:1b0d80432c79 86 * which is roughly 255 digits [7140 bits for 32-bit machines, 15300 bits for 64-bit machines]
wolfSSL 4:1b0d80432c79 87 * which means roughly speaking you can handle up to 2536-bit RSA keys with these defined without
wolfSSL 4:1b0d80432c79 88 * trouble.
wolfSSL 4:1b0d80432c79 89 */
wolfSSL 4:1b0d80432c79 90 #undef BN_S_MP_MUL_DIGS_C
wolfSSL 4:1b0d80432c79 91 #undef BN_S_MP_SQR_C
wolfSSL 4:1b0d80432c79 92 #undef BN_MP_MONTGOMERY_REDUCE_C
wolfSSL 4:1b0d80432c79 93 #endif
wolfSSL 4:1b0d80432c79 94
wolfSSL 4:1b0d80432c79 95 #endif
wolfSSL 4:1b0d80432c79 96
wolfSSL 4:1b0d80432c79 97