Mercurial > dropbear
view libtomcrypt/src/headers/tommath_superclass.h @ 404:a588558bfc94
Fix potential null pointer dereference found by Klokwork
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Sat, 03 Feb 2007 09:58:14 +0000 |
parents | 1b9e69c058d2 |
children |
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/* super class file for PK algos */ /* default ... include all MPI */ #ifndef SC_RSA_1 #define LTM_ALL #endif /* 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 /* $Source: /cvs/libtom/libtomcrypt/src/headers/tommath_superclass.h,v $ */ /* $Revision: 1.4 $ */ /* $Date: 2005/05/14 13:27:20 $ */