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Put more debug screening in BN_div() and correct a comment.

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This commit is contained in:
Geoff Thorpe 2003-11-06 23:11:07 +00:00
parent 0ef85c7f45
commit 5c0c22803e
1 changed files with 3 additions and 1 deletions
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4
crypto/bn/bn_div.c
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@ -185,6 +185,8 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
BN_ULONG d0,d1; BN_ULONG d0,d1;
int num_n,div_n; int num_n,div_n;
bn_check_top(dv);
bn_check_top(rm);
bn_check_top(num); bn_check_top(num);
bn_check_top(divisor); bn_check_top(divisor);
@ -233,7 +235,7 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
wnum.dmax= snum->dmax - loop; /* so we don't step out of bounds */ wnum.dmax= snum->dmax - loop; /* so we don't step out of bounds */
/* Get the top 2 words of sdiv */ /* Get the top 2 words of sdiv */
/* i=sdiv->top; */ /* div_n=sdiv->top; */
d0=sdiv->d[div_n-1]; d0=sdiv->d[div_n-1];
d1=(div_n == 1)?0:sdiv->d[div_n-2]; d1=(div_n == 1)?0:sdiv->d[div_n-2];