116 lines
3.0 KiB
C
116 lines
3.0 KiB
C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
|
|
/* SPDX-License-Identifier: Unlicense */
|
|
|
|
/* super class file for PK algos */
|
|
|
|
/* default ... include all MPI */
|
|
#ifndef LTM_NOTHING
|
|
#define LTM_ALL
|
|
#endif
|
|
|
|
/* RSA only (does not support DH/DSA/ECC) */
|
|
/* #define SC_RSA_1 */
|
|
/* #define SC_RSA_1_WITH_TESTS */
|
|
|
|
/* For reference.... On an Athlon64 optimizing for speed...
|
|
|
|
LTM's mpi.o with all functions [striped] is 142KiB in size.
|
|
|
|
*/
|
|
|
|
#ifdef SC_RSA_1_WITH_TESTS
|
|
# define MP_ERROR_TO_STRING_C
|
|
# define MP_FREAD_C
|
|
# define MP_FWRITE_C
|
|
# define MP_INCR_C
|
|
# define MP_ISEVEN_C
|
|
# define MP_ISODD_C
|
|
# define MP_NEG_C
|
|
# define MP_PRIME_FROBENIUS_UNDERWOOD_C
|
|
# define MP_RADIX_SIZE_C
|
|
# define MP_RADIX_SIZE_OVERESTIMATE_C
|
|
# define MP_LOG_N_C
|
|
# define MP_RAND_C
|
|
# define MP_REDUCE_C
|
|
# define MP_REDUCE_2K_L_C
|
|
# define MP_FROM_SBIN_C
|
|
# define MP_ROOT_N_C
|
|
# define MP_SET_L_C
|
|
# define MP_SET_UL_C
|
|
# define MP_SET_U64_C
|
|
# define MP_SET_I64_C
|
|
# define MP_SBIN_SIZE_C
|
|
# define MP_TO_RADIX_C
|
|
# define MP_TO_SBIN_C
|
|
# define MP_WARRAY_FREE_C
|
|
# define MP_WARRAY_INIT_C
|
|
# define S_MP_RAND_JENKINS_C
|
|
# define S_MP_RAND_PLATFORM_C
|
|
#endif
|
|
|
|
/* Works for RSA only, mpi.o is 68KiB */
|
|
#if defined(SC_RSA_1) || defined (SC_RSA_1_WITH_TESTS)
|
|
# define MP_CUTOFFS_C
|
|
# define MP_ADDMOD_C
|
|
# define MP_CLEAR_MULTI_C
|
|
# define MP_EXPTMOD_C
|
|
# define MP_GCD_C
|
|
# define MP_INIT_MULTI_C
|
|
# define MP_INVMOD_C
|
|
# define MP_LCM_C
|
|
# define MP_MOD_C
|
|
# define MP_MOD_D_C
|
|
# define MP_MULMOD_C
|
|
# define MP_PRIME_IS_PRIME_C
|
|
# define MP_PRIME_RABIN_MILLER_TRIALS_C
|
|
# define MP_PRIME_RAND_C
|
|
# define MP_SET_INT_C
|
|
# define MP_SHRINK_C
|
|
# define MP_TO_UNSIGNED_BIN_C
|
|
# define MP_UNSIGNED_BIN_SIZE_C
|
|
# define S_MP_PRIME_TAB_C
|
|
# define S_MP_RADIX_MAP_C
|
|
|
|
/* other modifiers */
|
|
|
|
|
|
|
|
/* 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 MP_DR_IS_MODULUS_C
|
|
# undef MP_DR_REDUCE_C
|
|
# undef MP_DR_SETUP_C
|
|
# undef MP_REDUCE_2K_C
|
|
# undef MP_REDUCE_2K_SETUP_C
|
|
# undef MP_REDUCE_IS_2K_C
|
|
# undef MP_REDUCE_SETUP_C
|
|
# undef S_MP_DIV_3_C
|
|
# undef S_MP_EXPTMOD_C
|
|
# undef S_MP_INVMOD_ODD_C
|
|
# undef S_MP_MUL_BALANCE_C
|
|
# undef S_MP_MUL_HIGH_C
|
|
# undef S_MP_MUL_HIGH_COMBA_C
|
|
# undef S_MP_MUL_KARATSUBA_C
|
|
# undef S_MP_MUL_TOOM_C
|
|
# undef S_MP_SQR_KARATSUBA_C
|
|
# undef S_MP_SQR_TOOM_C
|
|
|
|
# ifndef SC_RSA_1_WITH_TESTS
|
|
# undef MP_REDUCE_C
|
|
# endif
|
|
|
|
/* 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 MP_MONTGOMERY_REDUCE_C
|
|
# undef S_MP_MUL_C
|
|
# undef S_MP_SQR_C
|
|
# endif
|
|
|
|
#endif
|