in progress: NSEC: refactor, add comments, fix memory leaks

src/libknot/nsec3.h

@@ -34,6 +34,18 @@
 
 #define KNOT_NSEC3_SHA_USE_EVP 0
 
+/*----------------------------------------------------------------------------*/
+
+/*!
+ * \brief Length of raw NSEC3 hash in bytes.
+ */
+#define KNOT_NSEC3_HASH_LENGTH 20
+
+/*!
+ * \brief Length of the a NSEC3 hash encoded in Base32 encoding.
+ */
+#define KNOT_NSEC3_HASH_B32_LENGTH 32
+
 /*----------------------------------------------------------------------------*/
 /*!
  * \brief Structure representing the NSEC3PARAM resource record.

src/libknot/zone/zone-nsec.h

@@ -18,6 +18,13 @@
 
 #include "zone.h"
 
+/*!
+ * \brief Create NSEC or NSEC3 chain in the zone.
+ *
+ * \param zone  Zone for which the NSEC(3) chain will be created.
+ *
+ * \return Error code, KNOT_EOK if successful.
+ */
 int knot_zone_create_nsec_chain(knot_zone_t *zone);
 
 #endif // _KNOT_ZONE_NSEC_H_