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PR: 2111

Submitted by: Martin Olsson <molsson@opera.com>

Check for bn_wexpand errors in bn_mul.c
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snhenson committed Dec 2, 2009
1 parent 9d95302 commit 7e4cae1d2f555cbe9226b377aff4b56c9f7ddd4d
Showing with 4 additions and 4 deletions.
  1. +4 −4 crypto/bn/bn_mul.c
@@ -1032,15 +1032,15 @@ int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
goto err;
if (al > j || bl > j)
{
bn_wexpand(t,k*4);
bn_wexpand(rr,k*4);
if (bn_wexpand(t,k*4) == NULL) goto err;
if (bn_wexpand(rr,k*4) == NULL) goto err;
bn_mul_part_recursive(rr->d,a->d,b->d,
j,al-j,bl-j,t->d);
}
else /* al <= j || bl <= j */
{
bn_wexpand(t,k*2);
bn_wexpand(rr,k*2);
if (bn_wexpand(t,k*2) == NULL) goto err;
if (bn_wexpand(rr,k*2) == NULL) goto err;
bn_mul_recursive(rr->d,a->d,b->d,
j,al-j,bl-j,t->d);
}

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