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Combined internal LibTomMath configuration into one option

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CONFIG_INTERNAL_LIBTOMMATH_FAST=y in .config can now be used to enable all
optimized routines at a cost of about 4 kB. This is small enough increase
in size to justify simplified configuration.
This commit is contained in:
Jouni Malinen 2008-06-06 10:21:28 +03:00
parent ec0205a87a
commit b95394c66f
4 changed files with 21 additions and 30 deletions
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22
src/tls/libtommath.c
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@ -26,29 +26,29 @@
#define BN_S_MP_SQR_C
#define BN_S_MP_MUL_HIGH_DIGS_C /* Note: #undef in tommath_superclass.h; this
* would require other than mp_reduce */
#ifdef LTM_FAST_DIV
#ifdef LTM_FAST
/* Use faster div at the cost of about 1 kB */
#define BN_MP_MUL_D_C
#else /* LTM_FAST_DIV */
#define BN_MP_DIV_SMALL
#define BN_MP_INIT_MULTI_C
#define BN_MP_CLEAR_MULTI_C
#define BN_MP_ABS_C
#endif /* LTM_FAST_DIV */
#ifdef LTM_FAST_EXPTMOD
/* Include faster exptmod (Montgomery) at the cost of about 2.5 kB in code */
#define BN_MP_EXPTMOD_FAST_C
#define BN_MP_MONTGOMERY_SETUP_C
#define BN_FAST_MP_MONTGOMERY_REDUCE_C
#define BN_MP_MONTGOMERY_CALC_NORMALIZATION_C
#define BN_MP_MUL_2_C
#endif /* LTM_FAST_EXPTMOD */
#ifdef LTM_FAST_SQR
/* Include faster sqr at the cost of about 0.5 kB in code */
#define BN_FAST_S_MP_SQR_C
#endif /* LTM_FAST_SQR */
#else /* LTM_FAST */
#define BN_MP_DIV_SMALL
#define BN_MP_INIT_MULTI_C
#define BN_MP_CLEAR_MULTI_C
#define BN_MP_ABS_C
#endif /* LTM_FAST */
/* Current uses do not require support for negative exponent in exptmod, so we
* can save about 1.5 kB in leaving out invmod. */