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Fix for BN_mul_word(a, 0).

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This commit is contained in:
Bodo Möller 2000-09-04 15:30:14 +00:00
parent 54705b3992
commit 5e38616380
1 changed files with 9 additions and 4 deletions
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5
crypto/bn/bn_word.c
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@ -181,6 +181,10 @@ int BN_mul_word(BIGNUM *a, BN_ULONG w)
w&=BN_MASK2; w&=BN_MASK2;
if (a->top) if (a->top)
{
if (w == 0)
BN_zero(a);
else
{ {
ll=bn_mul_words(a->d,a->d,a->top,w); ll=bn_mul_words(a->d,a->d,a->top,w);
if (ll) if (ll)
@ -189,6 +193,7 @@ int BN_mul_word(BIGNUM *a, BN_ULONG w)
a->d[a->top++]=ll; a->d[a->top++]=ll;
} }
} }
}
return(1); return(1);
} }