dest->poly[2] = src->poly[2];
dest->poly[3] = src->poly[3];
dest->poly[4] = src->poly[4];
- bn_wexpand(&dest->a, (int)(dest->poly[0] + BN_BITS2 - 1) / BN_BITS2);
- bn_wexpand(&dest->b, (int)(dest->poly[0] + BN_BITS2 - 1) / BN_BITS2);
+ if(bn_wexpand(&dest->a, (int)(dest->poly[0] + BN_BITS2 - 1) / BN_BITS2) == NULL)
+ return 0;
+ if(bn_wexpand(&dest->b, (int)(dest->poly[0] + BN_BITS2 - 1) / BN_BITS2) == NULL)
+ return 0;
for (i = dest->a.top; i < dest->a.dmax; i++) dest->a.d[i] = 0;
for (i = dest->b.top; i < dest->b.dmax; i++) dest->b.d[i] = 0;
return 1;
/* group->a */
if (!BN_GF2m_mod_arr(&group->a, a, group->poly)) goto err;
- bn_wexpand(&group->a, (int)(group->poly[0] + BN_BITS2 - 1) / BN_BITS2);
+ if(bn_wexpand(&group->a, (int)(group->poly[0] + BN_BITS2 - 1) / BN_BITS2) == NULL) goto err;
for (i = group->a.top; i < group->a.dmax; i++) group->a.d[i] = 0;
/* group->b */
if (!BN_GF2m_mod_arr(&group->b, b, group->poly)) goto err;
- bn_wexpand(&group->b, (int)(group->poly[0] + BN_BITS2 - 1) / BN_BITS2);
+ if(bn_wexpand(&group->b, (int)(group->poly[0] + BN_BITS2 - 1) / BN_BITS2) == NULL) goto err;
for (i = group->b.top; i < group->b.dmax; i++) group->b.d[i] = 0;
ret = 1;
ret = 1;
err:
- BN_CTX_end(ctx);
+ if (ctx != NULL)
+ BN_CTX_end(ctx);
if (new_ctx != NULL)
BN_CTX_free(new_ctx);
return ret;
}
if (!BN_copy(&point->X, x)) goto err;
- BN_set_sign(&point->X, 0);
+ BN_set_negative(&point->X, 0);
if (!BN_copy(&point->Y, y)) goto err;
- BN_set_sign(&point->Y, 0);
+ BN_set_negative(&point->Y, 0);
if (!BN_copy(&point->Z, BN_value_one())) goto err;
- BN_set_sign(&point->Z, 0);
+ BN_set_negative(&point->Z, 0);
point->Z_is_one = 1;
ret = 1;
if (x != NULL)
{
if (!BN_copy(x, &point->X)) goto err;
- BN_set_sign(x, 0);
+ BN_set_negative(x, 0);
}
if (y != NULL)
{
if (!BN_copy(y, &point->Y)) goto err;
- BN_set_sign(y, 0);
+ BN_set_negative(y, 0);
}
ret = 1;