Commit 8083e1bd authored by Richard Levitte's avatar Richard Levitte
Browse files

There's a slight possibility that a is 0 in BN_sub_word(), and might 

therefore have unallocated parts.  Therefore, a check for the 0 case
is needed, resulting with the same thing as when a is negative.
parent 8b4e27e2

crypto/bn/bn_word.c

+1 −1
Original line number Diff line number Diff line
@@ -140,7 +140,7 @@ int BN_sub_word(BIGNUM *a, BN_ULONG w) 
	{

	int i;



	if (a->neg)

	if (BN_is_zero(a) || a->neg)

		{

		a->neg=0;

		i=BN_add_word(a,w);