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Make sure BN_sqr can never return a negative value.

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PR#3410
(cherry picked from commit e14e764c0d5d469da63d0819c6ffc0e1e9e7f0bb)
This commit is contained in:
Huzaifa Sidhpurwala 2014-06-26 23:45:58 +01:00 committed by Dr. Stephen Henson
parent da0d5e78bc
commit fef58ce79e
1 changed files with 1 additions and 0 deletions
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crypto/bn/bn_sqr.c
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@ -77,6 +77,7 @@ int BN_sqr(BIGNUM *r, const BIGNUM *a, BN_CTX *ctx)
if (al <= 0) if (al <= 0)
{ {
r->top=0; r->top=0;
r->neg = 0;
return 1; return 1;
} }