Mercurial > dropbear
comparison src/headers/tommath_superclass.h @ 280:59400faa4b44 libtomcrypt-orig libtomcrypt-1.05
Re-import libtomcrypt 1.05 for cleaner propagating.
From crypt-1.05.tar.bz2, SHA1 of 88250202bb51570dc64f7e8f1c943cda9479258f
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Wed, 08 Mar 2006 12:58:00 +0000 |
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| children |
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| -1:000000000000 | 280:59400faa4b44 |
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| 1 /* super class file for PK algos */ | |
| 2 | |
| 3 /* default ... include all MPI */ | |
| 4 #ifndef SC_RSA_1 | |
| 5 | |
| 6 #define LTM_ALL | |
| 7 | |
| 8 #endif | |
| 9 | |
| 10 /* RSA only (does not support DH/DSA/ECC) */ | |
| 11 /* #define SC_RSA_1 */ | |
| 12 | |
| 13 /* For reference.... On an Athlon64 optimizing for speed... | |
| 14 | |
| 15 LTM's mpi.o with all functions [striped] is 142KiB in size. | |
| 16 | |
| 17 */ | |
| 18 | |
| 19 /* Works for RSA only, mpi.o is 68KiB */ | |
| 20 #ifdef SC_RSA_1 | |
| 21 #define BN_MP_SHRINK_C | |
| 22 #define BN_MP_LCM_C | |
| 23 #define BN_MP_PRIME_RANDOM_EX_C | |
| 24 #define BN_MP_INVMOD_C | |
| 25 #define BN_MP_GCD_C | |
| 26 #define BN_MP_MOD_C | |
| 27 #define BN_MP_MULMOD_C | |
| 28 #define BN_MP_ADDMOD_C | |
| 29 #define BN_MP_EXPTMOD_C | |
| 30 #define BN_MP_SET_INT_C | |
| 31 #define BN_MP_INIT_MULTI_C | |
| 32 #define BN_MP_CLEAR_MULTI_C | |
| 33 #define BN_MP_UNSIGNED_BIN_SIZE_C | |
| 34 #define BN_MP_TO_UNSIGNED_BIN_C | |
| 35 #define BN_MP_MOD_D_C | |
| 36 #define BN_MP_PRIME_RABIN_MILLER_TRIALS_C | |
| 37 #define BN_REVERSE_C | |
| 38 #define BN_PRIME_TAB_C | |
| 39 | |
| 40 /* other modifiers */ | |
| 41 #define BN_MP_DIV_SMALL /* Slower division, not critical */ | |
| 42 | |
| 43 /* here we are on the last pass so we turn things off. The functions classes are still there | |
| 44 * but we remove them specifically from the build. This also invokes tweaks in functions | |
| 45 * like removing support for even moduli, etc... | |
| 46 */ | |
| 47 #ifdef LTM_LAST | |
| 48 #undef BN_MP_TOOM_MUL_C | |
| 49 #undef BN_MP_TOOM_SQR_C | |
| 50 #undef BN_MP_KARATSUBA_MUL_C | |
| 51 #undef BN_MP_KARATSUBA_SQR_C | |
| 52 #undef BN_MP_REDUCE_C | |
| 53 #undef BN_MP_REDUCE_SETUP_C | |
| 54 #undef BN_MP_DR_IS_MODULUS_C | |
| 55 #undef BN_MP_DR_SETUP_C | |
| 56 #undef BN_MP_DR_REDUCE_C | |
| 57 #undef BN_MP_REDUCE_IS_2K_C | |
| 58 #undef BN_MP_REDUCE_2K_SETUP_C | |
| 59 #undef BN_MP_REDUCE_2K_C | |
| 60 #undef BN_S_MP_EXPTMOD_C | |
| 61 #undef BN_MP_DIV_3_C | |
| 62 #undef BN_S_MP_MUL_HIGH_DIGS_C | |
| 63 #undef BN_FAST_S_MP_MUL_HIGH_DIGS_C | |
| 64 #undef BN_FAST_MP_INVMOD_C | |
| 65 | |
| 66 /* To safely undefine these you have to make sure your RSA key won't exceed the Comba threshold | |
| 67 * which is roughly 255 digits [7140 bits for 32-bit machines, 15300 bits for 64-bit machines] | |
| 68 * which means roughly speaking you can handle upto 2536-bit RSA keys with these defined without | |
| 69 * trouble. | |
| 70 */ | |
| 71 #undef BN_S_MP_MUL_DIGS_C | |
| 72 #undef BN_S_MP_SQR_C | |
| 73 #undef BN_MP_MONTGOMERY_REDUCE_C | |
| 74 #endif | |
| 75 | |
| 76 #endif | |
| 77 | |
| 78 /* $Source: /cvs/libtom/libtomcrypt/src/headers/tommath_superclass.h,v $ */ | |
| 79 /* $Revision: 1.4 $ */ | |
| 80 /* $Date: 2005/05/14 13:27:20 $ */ |