diff options
| author | Geoff Thorpe <geoff@openssl.org> | 2004-03-09 03:53:40 +0000 |
|---|---|---|
| committer | Geoff Thorpe <geoff@openssl.org> | 2004-03-09 03:53:40 +0000 |
| commit | a8aa764d3c96eb65b22863cdc5f6ab08d92dd355 (patch) | |
| tree | f6b27ded43690e9ada28fb27ceba23ba3ea25431 /crypto/bn/bn_div.c | |
| parent | e7716b7a197d551a22dfdb4df6021db8e92bae5d (diff) | |
Minimise the amount of code dependent on BN_DEBUG_RAND. In particular,
redefine bn_clear_top2max() to be a NOP in the non-debugging case, and
remove some unnecessary usages in bn_nist.c.
Submitted by: Nils Larsch
Reviewed by: Geoff Thorpe, Ulf Möller
Diffstat (limited to 'crypto/bn/bn_div.c')
| -rw-r--r-- | crypto/bn/bn_div.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/crypto/bn/bn_div.c b/crypto/bn/bn_div.c index 2f464b31d1..556fcda1e3 100644 --- a/crypto/bn/bn_div.c +++ b/crypto/bn/bn_div.c @@ -232,10 +232,8 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor, wnum.neg = 0; wnum.d = &(snum->d[loop]); wnum.top = div_n; -#ifdef BN_DEBUG_RAND /* only needed when BN_ucmp messes up the values between top and max */ wnum.dmax = snum->dmax - loop; /* so we don't step out of bounds */ -#endif /* Get the top 2 words of sdiv */ /* div_n=sdiv->top; */ @@ -256,12 +254,10 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor, if (BN_ucmp(&wnum,sdiv) >= 0) { -#ifdef BN_DEBUG_RAND /* If BN_DEBUG_RAND is defined BN_ucmp changes (via * bn_pollute) the const bignum arguments => * clean the values between top and max again */ bn_clear_top2max(&wnum); -#endif bn_sub_words(wnum.d, wnum.d, sdiv->d, div_n); *resp=1; } @@ -384,13 +380,13 @@ X) -> 0x%08X\n", /* store part of the result */ *resp = q; } + bn_correct_top(snum); if (rm != NULL) { /* Keep a copy of the neg flag in num because if rm==num * BN_rshift() will overwrite it. */ int neg = num->neg; - bn_correct_top(snum); BN_rshift(rm,snum,norm_shift); if (!BN_is_zero(rm)) rm->neg = neg; |