Commit 18384774 authored by Bodo Möller's avatar Bodo Möller
Browse files

fix bn_expand2

parent bac60123

crypto/bn/bn_gf2m.c

+1 −1
Original line number Diff line number Diff line
@@ -284,7 +284,7 @@ int BN_GF2m_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b) 
	if (a->top < b->top) { at = b; bt = a; }

	else { at = a; bt = b; }



	bn_wexpand(r, at->top);

	bn_expand2(r, at->top);



	for (i = 0; i < bt->top; i++)

		{

crypto/bn/bn_lib.c

+3 −2
Original line number Diff line number Diff line
@@ -453,13 +453,14 @@ BIGNUM *bn_expand2(BIGNUM *b, int words) 
	if ((b != NULL) && (b->top < b->dmax))

		{

		A = &(b->d[b->top]);

		for (i=(words - b->top)>>3; i>0; i--,A+=8)

		for (i=(b->dmax - b->top)>>3; i>0; i--,A+=8)

			{

			A[0]=0; A[1]=0; A[2]=0; A[3]=0;

			A[4]=0; A[5]=0; A[6]=0; A[7]=0;

			}

		for (i=(words - b->top)&7; i>0; i--,A++)

		for (i=(b->dmax - b->top)&7; i>0; i--,A++)

			A[0]=0;

		assert(A == &(b->d[b->dmax]));

		}

		

	return b;