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When BN_add_word() reaches top, it shouldn't try to add the the corresponding

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word, since that word may not be zero.
This commit is contained in:
Richard Levitte 2002-10-14 11:27:16 +00:00
parent f6733ae577
commit 09db11783d
1 changed files with 4 additions and 1 deletions
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5
crypto/bn/bn_word.c
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@ -123,7 +123,10 @@ int BN_add_word(BIGNUM *a, BN_ULONG w)
i=0; i=0;
for (;;) for (;;)
{ {
l=(a->d[i]+(BN_ULONG)w)&BN_MASK2; if (i >= a->top)
l=w;
else
l=(a->d[i]+(BN_ULONG)w)&BN_MASK2;
a->d[i]=l; a->d[i]=l;
if (w > l) if (w > l)
w=1; w=1;