| 1 | /* super class file for PK algos */ |
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| 2 | |
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| 3 | /* default ... include all MPI */ |
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| 4 | #define LTM_ALL |
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| 5 | |
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| 6 | /* RSA only (does not support DH/DSA/ECC) */ |
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| 7 | /* #define SC_RSA_1 */ |
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| 8 | |
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| 9 | /* For reference.... On an Athlon64 optimizing for speed... |
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| 10 | |
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| 11 | LTM's mpi.o with all functions [striped] is 142KiB in size. |
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| 12 | |
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| 13 | */ |
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| 14 | |
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| 15 | /* Works for RSA only, mpi.o is 68KiB */ |
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| 16 | #ifdef SC_RSA_1 |
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| 17 | #define BN_MP_SHRINK_C |
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| 18 | #define BN_MP_LCM_C |
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| 19 | #define BN_MP_PRIME_RANDOM_EX_C |
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| 20 | #define BN_MP_INVMOD_C |
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| 21 | #define BN_MP_GCD_C |
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| 22 | #define BN_MP_MOD_C |
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| 23 | #define BN_MP_MULMOD_C |
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| 24 | #define BN_MP_ADDMOD_C |
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| 25 | #define BN_MP_EXPTMOD_C |
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| 26 | #define BN_MP_SET_INT_C |
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| 27 | #define BN_MP_INIT_MULTI_C |
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| 28 | #define BN_MP_CLEAR_MULTI_C |
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| 29 | #define BN_MP_UNSIGNED_BIN_SIZE_C |
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| 30 | #define BN_MP_TO_UNSIGNED_BIN_C |
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| 31 | #define BN_MP_MOD_D_C |
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| 32 | #define BN_MP_PRIME_RABIN_MILLER_TRIALS_C |
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| 33 | #define BN_REVERSE_C |
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| 34 | #define BN_PRIME_TAB_C |
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| 35 | |
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| 36 | /* other modifiers */ |
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| 37 | #define BN_MP_DIV_SMALL /* Slower division, not critical */ |
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| 38 | |
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| 39 | /* here we are on the last pass so we turn things off. The functions classes are still there |
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| 40 | * but we remove them specifically from the build. This also invokes tweaks in functions |
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| 41 | * like removing support for even moduli, etc... |
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| 42 | */ |
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| 43 | #ifdef LTM_LAST |
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| 44 | #undef BN_MP_TOOM_MUL_C |
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| 45 | #undef BN_MP_TOOM_SQR_C |
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| 46 | #undef BN_MP_KARATSUBA_MUL_C |
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| 47 | #undef BN_MP_KARATSUBA_SQR_C |
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| 48 | #undef BN_MP_REDUCE_C |
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| 49 | #undef BN_MP_REDUCE_SETUP_C |
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| 50 | #undef BN_MP_DR_IS_MODULUS_C |
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| 51 | #undef BN_MP_DR_SETUP_C |
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| 52 | #undef BN_MP_DR_REDUCE_C |
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| 53 | #undef BN_MP_REDUCE_IS_2K_C |
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| 54 | #undef BN_MP_REDUCE_2K_SETUP_C |
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| 55 | #undef BN_MP_REDUCE_2K_C |
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| 56 | #undef BN_S_MP_EXPTMOD_C |
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| 57 | #undef BN_MP_DIV_3_C |
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| 58 | #undef BN_S_MP_MUL_HIGH_DIGS_C |
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| 59 | #undef BN_FAST_S_MP_MUL_HIGH_DIGS_C |
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| 60 | #undef BN_FAST_MP_INVMOD_C |
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| 61 | |
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| 62 | /* To safely undefine these you have to make sure your RSA key won't exceed the Comba threshold |
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| 63 | * which is roughly 255 digits [7140 bits for 32-bit machines, 15300 bits for 64-bit machines] |
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| 64 | * which means roughly speaking you can handle upto 2536-bit RSA keys with these defined without |
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| 65 | * trouble. |
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| 66 | */ |
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| 67 | #undef BN_S_MP_MUL_DIGS_C |
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| 68 | #undef BN_S_MP_SQR_C |
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| 69 | #undef BN_MP_MONTGOMERY_REDUCE_C |
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| 70 | #endif |
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| 71 | |
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| 72 | #endif |
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| 73 | |
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| 74 | /* $Source: /cvsroot/tcl/libtommath/tommath_superclass.h,v $ */ |
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| 75 | /* $Revision: 1.3 $ */ |
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| 76 | /* $Date: 2005/09/26 18:27:14 $ */ |
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