BN_FLG_MALLOCED
ret->flags = BN_FLG_MALLOCED;
i = BN_get_flags(a, BN_FLG_MALLOCED);
dest_flags = (dest->flags & BN_FLG_MALLOCED) |
(b->flags & ~BN_FLG_MALLOCED) | BN_FLG_STATIC_DATA | flags;
a->flags = (flags_old_a & BN_FLG_MALLOCED) |
b->flags = (flags_old_b & BN_FLG_MALLOCED) |
ret->flags = BN_FLG_MALLOCED;
if (mont->flags & BN_FLG_MALLOCED)
ret->flags = BN_FLG_MALLOCED;
if (recp->flags & BN_FLG_MALLOCED)