BIGNUM: Add a comment on chunk order in struct bignum_st
@@ -223,8 +223,11 @@ BN_ULONG bn_sub_words(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,
int num);
struct bignum_st {
- BN_ULONG *d; /* Pointer to an array of 'BN_BITS2' bit
- * chunks. */
+ BN_ULONG *d; /*
+ * Pointer to an array of 'BN_BITS2' bit
+ * chunks. These chunks are organised in
+ * a least significant chunk first order.
+ */
int top; /* Index of last used d +1. */
/* The next are internal book keeping for bn_expand. */
int dmax; /* Size of the d array. */
