1 | /* super class file for PK algos */ |
2 | |
3 | /* default ... include all MPI */ |
4 | #define LTM_ALL |
5 | |
6 | /* RSA only (does not support DH/DSA/ECC) */ |
7 | /* #define SC_RSA_1 */ |
8 | |
9 | /* For reference.... On an Athlon64 optimizing for speed... |
10 | |
11 | LTM's mpi.o with all functions [striped] is 142KiB in size. |
12 | |
13 | */ |
14 | |
15 | /* Works for RSA only, mpi.o is 68KiB */ |
16 | #ifdef SC_RSA_1 |
17 | #define BN_MP_SHRINK_C |
18 | #define BN_MP_LCM_C |
19 | #define BN_MP_PRIME_RANDOM_EX_C |
20 | #define BN_MP_INVMOD_C |
21 | #define BN_MP_GCD_C |
22 | #define BN_MP_MOD_C |
23 | #define BN_MP_MULMOD_C |
24 | #define BN_MP_ADDMOD_C |
25 | #define BN_MP_EXPTMOD_C |
26 | #define BN_MP_SET_INT_C |
27 | #define BN_MP_INIT_MULTI_C |
28 | #define BN_MP_CLEAR_MULTI_C |
29 | #define BN_MP_UNSIGNED_BIN_SIZE_C |
30 | #define BN_MP_TO_UNSIGNED_BIN_C |
31 | #define BN_MP_MOD_D_C |
32 | #define BN_MP_PRIME_RABIN_MILLER_TRIALS_C |
33 | #define BN_REVERSE_C |
34 | #define BN_PRIME_TAB_C |
35 | |
36 | /* other modifiers */ |
37 | #define BN_MP_DIV_SMALL /* Slower division, not critical */ |
38 | |
39 | /* here we are on the last pass so we turn things off. The functions classes are still there |
40 | * but we remove them specifically from the build. This also invokes tweaks in functions |
41 | * like removing support for even moduli, etc... |
42 | */ |
43 | #ifdef LTM_LAST |
44 | #undef BN_MP_TOOM_MUL_C |
45 | #undef BN_MP_TOOM_SQR_C |
46 | #undef BN_MP_KARATSUBA_MUL_C |
47 | #undef BN_MP_KARATSUBA_SQR_C |
48 | #undef BN_MP_REDUCE_C |
49 | #undef BN_MP_REDUCE_SETUP_C |
50 | #undef BN_MP_DR_IS_MODULUS_C |
51 | #undef BN_MP_DR_SETUP_C |
52 | #undef BN_MP_DR_REDUCE_C |
53 | #undef BN_MP_REDUCE_IS_2K_C |
54 | #undef BN_MP_REDUCE_2K_SETUP_C |
55 | #undef BN_MP_REDUCE_2K_C |
56 | #undef BN_S_MP_EXPTMOD_C |
57 | #undef BN_MP_DIV_3_C |
58 | #undef BN_S_MP_MUL_HIGH_DIGS_C |
59 | #undef BN_FAST_S_MP_MUL_HIGH_DIGS_C |
60 | #undef BN_FAST_MP_INVMOD_C |
61 | |
62 | /* To safely undefine these you have to make sure your RSA key won't exceed the Comba threshold |
63 | * which is roughly 255 digits [7140 bits for 32-bit machines, 15300 bits for 64-bit machines] |
64 | * which means roughly speaking you can handle upto 2536-bit RSA keys with these defined without |
65 | * trouble. |
66 | */ |
67 | #undef BN_S_MP_MUL_DIGS_C |
68 | #undef BN_S_MP_SQR_C |
69 | #undef BN_MP_MONTGOMERY_REDUCE_C |
70 | #endif |
71 | |
72 | #endif |
73 | |
74 | /* $Source$ */ |
75 | /* $Revision: 0.36 $ */ |
76 | /* $Date: 2005-08-01 16:37:28 +0000 $ */ |
77 | |